./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-radio-wl128x-fm_drv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-radio-wl128x-fm_drv.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 34f21538f85eb9cdaa60d9a1e57757d7a04f90c8b459e1dcc8d118be409846cb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:29:29,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:29:29,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:29:29,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:29:29,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:29:29,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:29:29,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:29:29,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:29:29,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:29:29,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:29:29,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:29:29,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:29:29,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:29:29,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:29:29,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:29:29,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:29:29,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:29:29,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:29:29,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:29:29,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:29:29,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:29:29,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:29:29,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:29:29,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:29:29,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:29:29,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:29:29,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:29:29,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:29:29,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:29:29,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:29:29,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:29:29,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:29:29,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:29:29,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:29:29,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:29:29,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:29:29,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:29:29,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:29:29,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:29:29,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:29:29,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:29:29,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:29:30,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:29:30,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:29:30,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:29:30,008 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:29:30,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:29:30,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:29:30,009 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:29:30,009 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:29:30,009 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:29:30,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:29:30,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:29:30,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:29:30,010 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:29:30,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:29:30,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:29:30,011 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:29:30,011 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:29:30,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:29:30,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:29:30,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:29:30,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:29:30,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:29:30,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:29:30,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:29:30,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:29:30,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:29:30,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:29:30,012 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:29:30,012 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:29:30,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:29:30,013 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:29:30,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34f21538f85eb9cdaa60d9a1e57757d7a04f90c8b459e1dcc8d118be409846cb [2021-12-22 15:29:30,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:29:30,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:29:30,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:29:30,213 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:29:30,214 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:29:30,214 INFO L432 ainManager$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-radio-wl128x-fm_drv.cil.i [2021-12-22 15:29:30,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f1ae331/ac268a464039401fb0b5043086845e14/FLAG2d576f271 [2021-12-22 15:29:30,931 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:29:30,931 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-radio-wl128x-fm_drv.cil.i [2021-12-22 15:29:30,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f1ae331/ac268a464039401fb0b5043086845e14/FLAG2d576f271 [2021-12-22 15:29:31,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98f1ae331/ac268a464039401fb0b5043086845e14 [2021-12-22 15:29:31,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:29:31,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:29:31,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:29:31,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:29:31,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:29:31,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:29:31" (1/1) ... [2021-12-22 15:29:31,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241239ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:31, skipping insertion in model container [2021-12-22 15:29:31,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:29:31" (1/1) ... [2021-12-22 15:29:31,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:29:31,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:29:33,116 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-radio-wl128x-fm_drv.cil.i[325823,325836] [2021-12-22 15:29:33,118 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-radio-wl128x-fm_drv.cil.i[325992,326005] [2021-12-22 15:29:33,118 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-radio-wl128x-fm_drv.cil.i[326159,326172] [2021-12-22 15:29:33,118 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-radio-wl128x-fm_drv.cil.i[326327,326340] [2021-12-22 15:29:33,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:29:33,186 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:29:33,401 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-radio-wl128x-fm_drv.cil.i[325823,325836] [2021-12-22 15:29:33,401 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-radio-wl128x-fm_drv.cil.i[325992,326005] [2021-12-22 15:29:33,402 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-radio-wl128x-fm_drv.cil.i[326159,326172] [2021-12-22 15:29:33,402 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-radio-wl128x-fm_drv.cil.i[326327,326340] [2021-12-22 15:29:33,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:29:33,567 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:29:33,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33 WrapperNode [2021-12-22 15:29:33,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:29:33,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:29:33,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:29:33,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:29:33,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33" (1/1) ... [2021-12-22 15:29:33,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33" (1/1) ... [2021-12-22 15:29:33,841 INFO L137 Inliner]: procedures = 424, calls = 2565, calls flagged for inlining = 194, calls inlined = 144, statements flattened = 4931 [2021-12-22 15:29:33,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:29:33,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:29:33,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:29:33,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:29:33,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33" (1/1) ... [2021-12-22 15:29:33,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33" (1/1) ... [2021-12-22 15:29:33,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33" (1/1) ... [2021-12-22 15:29:33,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33" (1/1) ... [2021-12-22 15:29:33,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33" (1/1) ... [2021-12-22 15:29:34,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33" (1/1) ... [2021-12-22 15:29:34,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33" (1/1) ... [2021-12-22 15:29:34,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:29:34,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:29:34,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:29:34,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:29:34,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33" (1/1) ... [2021-12-22 15:29:34,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:29:34,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:29:34,104 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) [2021-12-22 15:29:34,122 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 [2021-12-22 15:29:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 15:29:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 15:29:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:29:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:29:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-22 15:29:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-22 15:29:34,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:29:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:29:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:29:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:29:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:29:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:29:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2021-12-22 15:29:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2021-12-22 15:29:34,134 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:29:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:29:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2021-12-22 15:29:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2021-12-22 15:29:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2021-12-22 15:29:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2021-12-22 15:29:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-22 15:29:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-22 15:29:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:29:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:29:34,135 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:29:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:29:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_49 [2021-12-22 15:29:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_49 [2021-12-22 15:29:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-22 15:29:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-22 15:29:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:29:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:29:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:29:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:29:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:29:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-22 15:29:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-22 15:29:34,137 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2021-12-22 15:29:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2021-12-22 15:29:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:29:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-22 15:29:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-22 15:29:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:29:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:29:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:29:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:29:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:29:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:29:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2021-12-22 15:29:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2021-12-22 15:29:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:29:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:29:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:29:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:29:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:29:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:29:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2021-12-22 15:29:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2021-12-22 15:29:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-12-22 15:29:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-12-22 15:29:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2021-12-22 15:29:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2021-12-22 15:29:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2021-12-22 15:29:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2021-12-22 15:29:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:29:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:29:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:29:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:29:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:29:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:29:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:29:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-22 15:29:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-22 15:29:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-22 15:29:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-22 15:29:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:29:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:29:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:29:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:29:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-22 15:29:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-22 15:29:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-22 15:29:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-22 15:29:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2021-12-22 15:29:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2021-12-22 15:29:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-22 15:29:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-22 15:29:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:29:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:29:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:29:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:29:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-22 15:29:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-22 15:29:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:29:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:29:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2021-12-22 15:29:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2021-12-22 15:29:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:29:34,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:29:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-22 15:29:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-22 15:29:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:29:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:29:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2021-12-22 15:29:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2021-12-22 15:29:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-22 15:29:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-22 15:29:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:29:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:29:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2021-12-22 15:29:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2021-12-22 15:29:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:29:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:29:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2021-12-22 15:29:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2021-12-22 15:29:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:29:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:29:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-12-22 15:29:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-12-22 15:29:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2021-12-22 15:29:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2021-12-22 15:29:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2021-12-22 15:29:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2021-12-22 15:29:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-12-22 15:29:34,149 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-12-22 15:29:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-22 15:29:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-22 15:29:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_resp_skb_lock_of_fmdev [2021-12-22 15:29:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_resp_skb_lock_of_fmdev [2021-12-22 15:29:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 15:29:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 15:29:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2021-12-22 15:29:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2021-12-22 15:29:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 15:29:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 15:29:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:29:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:29:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2021-12-22 15:29:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2021-12-22 15:29:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-22 15:29:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-22 15:29:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-12-22 15:29:34,151 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-12-22 15:29:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:29:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2021-12-22 15:29:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2021-12-22 15:29:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:29:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2021-12-22 15:29:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2021-12-22 15:29:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2021-12-22 15:29:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2021-12-22 15:29:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2021-12-22 15:29:34,152 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2021-12-22 15:29:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:29:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rds_buff_lock_of_fmdev [2021-12-22 15:29:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rds_buff_lock_of_fmdev [2021-12-22 15:29:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-22 15:29:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-22 15:29:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2021-12-22 15:29:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2021-12-22 15:29:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2021-12-22 15:29:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2021-12-22 15:29:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-22 15:29:34,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-22 15:29:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2021-12-22 15:29:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2021-12-22 15:29:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:29:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:29:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-22 15:29:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-22 15:29:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-22 15:29:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-22 15:29:34,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:29:34,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:29:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:29:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:29:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2021-12-22 15:29:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2021-12-22 15:29:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-12-22 15:29:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-12-22 15:29:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2021-12-22 15:29:34,155 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2021-12-22 15:29:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:29:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:29:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:29:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:29:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-22 15:29:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-22 15:29:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:29:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-22 15:29:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-22 15:29:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:29:34,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:29:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2021-12-22 15:29:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2021-12-22 15:29:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:29:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:29:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2021-12-22 15:29:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2021-12-22 15:29:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2021-12-22 15:29:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2021-12-22 15:29:34,157 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2021-12-22 15:29:34,157 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2021-12-22 15:29:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-22 15:29:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-22 15:29:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2021-12-22 15:29:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2021-12-22 15:29:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:29:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:29:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 15:29:34,158 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 15:29:34,158 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2021-12-22 15:29:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2021-12-22 15:29:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2021-12-22 15:29:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2021-12-22 15:29:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:29:34,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:29:34,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:29:34,803 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:29:34,806 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:29:34,960 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:29:37,412 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:29:37,454 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:29:37,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:29:37,466 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 15:29:37,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:29:37 BoogieIcfgContainer [2021-12-22 15:29:37,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:29:37,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:29:37,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:29:37,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:29:37,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:29:31" (1/3) ... [2021-12-22 15:29:37,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a76af4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:29:37, skipping insertion in model container [2021-12-22 15:29:37,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:29:33" (2/3) ... [2021-12-22 15:29:37,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a76af4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:29:37, skipping insertion in model container [2021-12-22 15:29:37,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:29:37" (3/3) ... [2021-12-22 15:29:37,475 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-radio-wl128x-fm_drv.cil.i [2021-12-22 15:29:37,478 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:29:37,478 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:29:37,515 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:29:37,519 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:29:37,519 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:29:37,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 1727 states, 1193 states have (on average 1.3176865046102264) internal successors, (1572), 1209 states have internal predecessors, (1572), 431 states have call successors, (431), 101 states have call predecessors, (431), 100 states have return successors, (424), 421 states have call predecessors, (424), 424 states have call successors, (424) [2021-12-22 15:29:37,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-22 15:29:37,570 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:37,571 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:29:37,571 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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)] === [2021-12-22 15:29:37,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:37,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1187319802, now seen corresponding path program 1 times [2021-12-22 15:29:37,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:37,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617157185] [2021-12-22 15:29:37,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:37,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:29:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:29:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:29:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:29:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:29:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:29:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:29:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:29:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-22 15:29:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-22 15:29:38,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:38,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617157185] [2021-12-22 15:29:38,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617157185] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:38,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:38,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:29:38,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817488178] [2021-12-22 15:29:38,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:38,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:29:38,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:38,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:29:38,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:29:38,533 INFO L87 Difference]: Start difference. First operand has 1727 states, 1193 states have (on average 1.3176865046102264) internal successors, (1572), 1209 states have internal predecessors, (1572), 431 states have call successors, (431), 101 states have call predecessors, (431), 100 states have return successors, (424), 421 states have call predecessors, (424), 424 states have call successors, (424) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-22 15:29:41,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:29:41,047 INFO L93 Difference]: Finished difference Result 5083 states and 7466 transitions. [2021-12-22 15:29:41,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:29:41,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2021-12-22 15:29:41,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:29:41,093 INFO L225 Difference]: With dead ends: 5083 [2021-12-22 15:29:41,107 INFO L226 Difference]: Without dead ends: 3388 [2021-12-22 15:29:41,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:29:41,142 INFO L933 BasicCegarLoop]: 2686 mSDtfsCounter, 2778 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 989 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3032 SdHoareTripleChecker+Valid, 5954 SdHoareTripleChecker+Invalid, 2163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 989 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-22 15:29:41,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3032 Valid, 5954 Invalid, 2163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [989 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-22 15:29:41,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2021-12-22 15:29:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 3208. [2021-12-22 15:29:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 2240 states have (on average 1.3196428571428571) internal successors, (2956), 2270 states have internal predecessors, (2956), 774 states have call successors, (774), 192 states have call predecessors, (774), 191 states have return successors, (770), 764 states have call predecessors, (770), 770 states have call successors, (770) [2021-12-22 15:29:41,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 4500 transitions. [2021-12-22 15:29:41,410 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 4500 transitions. Word has length 241 [2021-12-22 15:29:41,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:29:41,423 INFO L470 AbstractCegarLoop]: Abstraction has 3208 states and 4500 transitions. [2021-12-22 15:29:41,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-22 15:29:41,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 4500 transitions. [2021-12-22 15:29:41,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-22 15:29:41,430 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:41,430 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:29:41,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:29:41,431 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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)] === [2021-12-22 15:29:41,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:41,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1566926510, now seen corresponding path program 1 times [2021-12-22 15:29:41,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:41,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058906861] [2021-12-22 15:29:41,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:41,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:29:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:29:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:29:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:29:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:29:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:29:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:29:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:29:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-22 15:29:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:42,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:42,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-12-22 15:29:42,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:42,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058906861] [2021-12-22 15:29:42,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058906861] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:42,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:42,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:29:42,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626978694] [2021-12-22 15:29:42,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:42,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:29:42,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:42,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:29:42,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:29:42,031 INFO L87 Difference]: Start difference. First operand 3208 states and 4500 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-22 15:29:43,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:29:43,290 INFO L93 Difference]: Finished difference Result 6340 states and 8930 transitions. [2021-12-22 15:29:43,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:29:43,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 257 [2021-12-22 15:29:43,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:29:43,307 INFO L225 Difference]: With dead ends: 6340 [2021-12-22 15:29:43,307 INFO L226 Difference]: Without dead ends: 3175 [2021-12-22 15:29:43,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:29:43,320 INFO L933 BasicCegarLoop]: 2179 mSDtfsCounter, 2343 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2537 SdHoareTripleChecker+Valid, 3361 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:29:43,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2537 Valid, 3361 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-22 15:29:43,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2021-12-22 15:29:43,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 3003. [2021-12-22 15:29:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3003 states, 2105 states have (on average 1.3149643705463183) internal successors, (2768), 2117 states have internal predecessors, (2768), 712 states have call successors, (712), 184 states have call predecessors, (712), 183 states have return successors, (708), 708 states have call predecessors, (708), 708 states have call successors, (708) [2021-12-22 15:29:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 3003 states and 4188 transitions. [2021-12-22 15:29:43,416 INFO L78 Accepts]: Start accepts. Automaton has 3003 states and 4188 transitions. Word has length 257 [2021-12-22 15:29:43,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:29:43,418 INFO L470 AbstractCegarLoop]: Abstraction has 3003 states and 4188 transitions. [2021-12-22 15:29:43,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-22 15:29:43,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3003 states and 4188 transitions. [2021-12-22 15:29:43,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-22 15:29:43,422 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:43,423 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:29:43,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:29:43,423 INFO L402 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)] === [2021-12-22 15:29:43,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:43,424 INFO L85 PathProgramCache]: Analyzing trace with hash -196754073, now seen corresponding path program 1 times [2021-12-22 15:29:43,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:43,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226299658] [2021-12-22 15:29:43,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:43,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:29:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:29:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:29:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:29:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:29:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:29:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:29:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:29:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-22 15:29:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:44,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-22 15:29:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-22 15:29:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-22 15:29:44,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:44,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226299658] [2021-12-22 15:29:44,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226299658] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:44,021 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:44,021 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:29:44,021 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410108629] [2021-12-22 15:29:44,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:44,022 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:29:44,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:44,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:29:44,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:29:44,023 INFO L87 Difference]: Start difference. First operand 3003 states and 4188 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 15:29:48,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:29:48,212 INFO L93 Difference]: Finished difference Result 7721 states and 10893 transitions. [2021-12-22 15:29:48,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:29:48,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 262 [2021-12-22 15:29:48,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:29:48,241 INFO L225 Difference]: With dead ends: 7721 [2021-12-22 15:29:48,241 INFO L226 Difference]: Without dead ends: 4782 [2021-12-22 15:29:48,252 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:29:48,253 INFO L933 BasicCegarLoop]: 2552 mSDtfsCounter, 2575 mSDsluCounter, 4255 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 6807 SdHoareTripleChecker+Invalid, 3121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:29:48,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2819 Valid, 6807 Invalid, 3121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-22 15:29:48,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4782 states. [2021-12-22 15:29:48,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4782 to 4400. [2021-12-22 15:29:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4400 states, 3069 states have (on average 1.3121537960247638) internal successors, (4027), 3090 states have internal predecessors, (4027), 1051 states have call successors, (1051), 278 states have call predecessors, (1051), 277 states have return successors, (1047), 1042 states have call predecessors, (1047), 1047 states have call successors, (1047) [2021-12-22 15:29:48,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4400 states to 4400 states and 6125 transitions. [2021-12-22 15:29:48,375 INFO L78 Accepts]: Start accepts. Automaton has 4400 states and 6125 transitions. Word has length 262 [2021-12-22 15:29:48,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:29:48,376 INFO L470 AbstractCegarLoop]: Abstraction has 4400 states and 6125 transitions. [2021-12-22 15:29:48,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 15:29:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 4400 states and 6125 transitions. [2021-12-22 15:29:48,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-12-22 15:29:48,381 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:48,381 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:29:48,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:29:48,382 INFO L402 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)] === [2021-12-22 15:29:48,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:48,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1552871484, now seen corresponding path program 1 times [2021-12-22 15:29:48,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:48,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436298194] [2021-12-22 15:29:48,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:48,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:29:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:29:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:29:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:29:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:29:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:29:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:29:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:29:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-22 15:29:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-22 15:29:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-22 15:29:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-22 15:29:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-22 15:29:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:48,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2021-12-22 15:29:48,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:48,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436298194] [2021-12-22 15:29:48,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436298194] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:48,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:48,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:29:48,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148087856] [2021-12-22 15:29:48,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:48,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:29:48,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:48,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:29:48,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:29:48,948 INFO L87 Difference]: Start difference. First operand 4400 states and 6125 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-22 15:29:52,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:29:52,952 INFO L93 Difference]: Finished difference Result 9766 states and 13548 transitions. [2021-12-22 15:29:52,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:29:52,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 307 [2021-12-22 15:29:52,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:29:52,983 INFO L225 Difference]: With dead ends: 9766 [2021-12-22 15:29:52,983 INFO L226 Difference]: Without dead ends: 5430 [2021-12-22 15:29:53,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:29:53,003 INFO L933 BasicCegarLoop]: 2338 mSDtfsCounter, 1449 mSDsluCounter, 3975 mSDsCounter, 0 mSdLazyCounter, 1942 mSolverCounterSat, 769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 6313 SdHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 769 IncrementalHoareTripleChecker+Valid, 1942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:29:53,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1587 Valid, 6313 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [769 Valid, 1942 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-22 15:29:53,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5430 states. [2021-12-22 15:29:53,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5430 to 4909. [2021-12-22 15:29:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4909 states, 3399 states have (on average 1.2821418064136512) internal successors, (4358), 3431 states have internal predecessors, (4358), 1139 states have call successors, (1139), 369 states have call predecessors, (1139), 368 states have return successors, (1135), 1118 states have call predecessors, (1135), 1135 states have call successors, (1135) [2021-12-22 15:29:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 4909 states and 6632 transitions. [2021-12-22 15:29:53,210 INFO L78 Accepts]: Start accepts. Automaton has 4909 states and 6632 transitions. Word has length 307 [2021-12-22 15:29:53,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:29:53,210 INFO L470 AbstractCegarLoop]: Abstraction has 4909 states and 6632 transitions. [2021-12-22 15:29:53,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-22 15:29:53,211 INFO L276 IsEmpty]: Start isEmpty. Operand 4909 states and 6632 transitions. [2021-12-22 15:29:53,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-22 15:29:53,215 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:53,215 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:29:53,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:29:53,215 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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)] === [2021-12-22 15:29:53,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:53,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1713732093, now seen corresponding path program 1 times [2021-12-22 15:29:53,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:53,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615630937] [2021-12-22 15:29:53,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:53,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:29:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:29:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:29:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:29:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:29:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:29:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:29:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:29:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-22 15:29:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:29:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:29:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:29:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:29:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:29:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:53,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2021-12-22 15:29:53,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:53,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615630937] [2021-12-22 15:29:53,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615630937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:53,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:53,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:29:53,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093356818] [2021-12-22 15:29:53,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:53,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:29:53,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:53,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:29:53,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:29:53,677 INFO L87 Difference]: Start difference. First operand 4909 states and 6632 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-22 15:29:57,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:29:57,778 INFO L93 Difference]: Finished difference Result 13858 states and 19103 transitions. [2021-12-22 15:29:57,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:29:57,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 302 [2021-12-22 15:29:57,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:29:57,830 INFO L225 Difference]: With dead ends: 13858 [2021-12-22 15:29:57,830 INFO L226 Difference]: Without dead ends: 9417 [2021-12-22 15:29:57,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:29:57,849 INFO L933 BasicCegarLoop]: 3990 mSDtfsCounter, 2162 mSDsluCounter, 5746 mSDsCounter, 0 mSdLazyCounter, 2545 mSolverCounterSat, 617 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2383 SdHoareTripleChecker+Valid, 9736 SdHoareTripleChecker+Invalid, 3162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 617 IncrementalHoareTripleChecker+Valid, 2545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:29:57,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2383 Valid, 9736 Invalid, 3162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [617 Valid, 2545 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-22 15:29:57,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9417 states. [2021-12-22 15:29:58,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9417 to 8564. [2021-12-22 15:29:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8564 states, 5975 states have (on average 1.2922175732217573) internal successors, (7721), 6013 states have internal predecessors, (7721), 1963 states have call successors, (1963), 624 states have call predecessors, (1963), 623 states have return successors, (1959), 1942 states have call predecessors, (1959), 1959 states have call successors, (1959) [2021-12-22 15:29:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8564 states to 8564 states and 11643 transitions. [2021-12-22 15:29:58,127 INFO L78 Accepts]: Start accepts. Automaton has 8564 states and 11643 transitions. Word has length 302 [2021-12-22 15:29:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:29:58,128 INFO L470 AbstractCegarLoop]: Abstraction has 8564 states and 11643 transitions. [2021-12-22 15:29:58,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-22 15:29:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 8564 states and 11643 transitions. [2021-12-22 15:29:58,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-22 15:29:58,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:29:58,133 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:29:58,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 15:29:58,134 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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)] === [2021-12-22 15:29:58,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:29:58,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1195031809, now seen corresponding path program 1 times [2021-12-22 15:29:58,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:29:58,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318935805] [2021-12-22 15:29:58,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:29:58,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:29:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:29:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:29:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:29:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:29:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:29:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:29:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:29:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:29:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:29:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:29:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:29:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:29:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:29:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:29:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:29:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:29:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:29:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:29:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:29:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:29:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-22 15:29:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:29:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:29:58,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:29:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:29:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:29:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:29:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:29:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2021-12-22 15:29:58,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:29:58,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318935805] [2021-12-22 15:29:58,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318935805] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:29:58,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:29:58,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:29:58,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539885452] [2021-12-22 15:29:58,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:29:58,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:29:58,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:29:58,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:29:58,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:29:58,909 INFO L87 Difference]: Start difference. First operand 8564 states and 11643 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-22 15:30:01,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:30:01,234 INFO L93 Difference]: Finished difference Result 9419 states and 13044 transitions. [2021-12-22 15:30:01,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:30:01,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 302 [2021-12-22 15:30:01,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:30:01,278 INFO L225 Difference]: With dead ends: 9419 [2021-12-22 15:30:01,278 INFO L226 Difference]: Without dead ends: 9417 [2021-12-22 15:30:01,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-22 15:30:01,284 INFO L933 BasicCegarLoop]: 2134 mSDtfsCounter, 2703 mSDsluCounter, 4939 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1074 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2903 SdHoareTripleChecker+Valid, 7073 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1074 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:30:01,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2903 Valid, 7073 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1074 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-22 15:30:01,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9417 states. [2021-12-22 15:30:01,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9417 to 8568. [2021-12-22 15:30:01,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8568 states, 5978 states have (on average 1.2920709267313484) internal successors, (7724), 6016 states have internal predecessors, (7724), 1963 states have call successors, (1963), 625 states have call predecessors, (1963), 624 states have return successors, (1959), 1942 states have call predecessors, (1959), 1959 states have call successors, (1959) [2021-12-22 15:30:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8568 states to 8568 states and 11646 transitions. [2021-12-22 15:30:01,643 INFO L78 Accepts]: Start accepts. Automaton has 8568 states and 11646 transitions. Word has length 302 [2021-12-22 15:30:01,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:30:01,644 INFO L470 AbstractCegarLoop]: Abstraction has 8568 states and 11646 transitions. [2021-12-22 15:30:01,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-22 15:30:01,644 INFO L276 IsEmpty]: Start isEmpty. Operand 8568 states and 11646 transitions. [2021-12-22 15:30:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-12-22 15:30:01,648 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:30:01,648 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:30:01,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 15:30:01,649 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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)] === [2021-12-22 15:30:01,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:30:01,649 INFO L85 PathProgramCache]: Analyzing trace with hash 49873436, now seen corresponding path program 1 times [2021-12-22 15:30:01,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:30:01,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266785055] [2021-12-22 15:30:01,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:30:01,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:30:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:30:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:30:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:01,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:30:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:01,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:30:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:01,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:01,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:30:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:30:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:30:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:30:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:30:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:30:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:30:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:30:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:30:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:30:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:30:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:30:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:30:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:30:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:30:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:30:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-22 15:30:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:30:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:30:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:30:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:30:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:30:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-22 15:30:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:02,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2021-12-22 15:30:02,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:30:02,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266785055] [2021-12-22 15:30:02,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266785055] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:30:02,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:30:02,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:30:02,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114827922] [2021-12-22 15:30:02,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:30:02,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:30:02,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:30:02,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:30:02,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:30:02,226 INFO L87 Difference]: Start difference. First operand 8568 states and 11646 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-22 15:30:04,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:30:04,475 INFO L93 Difference]: Finished difference Result 9423 states and 13047 transitions. [2021-12-22 15:30:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:30:04,495 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 307 [2021-12-22 15:30:04,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:30:04,532 INFO L225 Difference]: With dead ends: 9423 [2021-12-22 15:30:04,533 INFO L226 Difference]: Without dead ends: 9421 [2021-12-22 15:30:04,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-22 15:30:04,539 INFO L933 BasicCegarLoop]: 2137 mSDtfsCounter, 2692 mSDsluCounter, 4939 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1073 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2892 SdHoareTripleChecker+Valid, 7076 SdHoareTripleChecker+Invalid, 2381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1073 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:30:04,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2892 Valid, 7076 Invalid, 2381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1073 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-22 15:30:04,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9421 states. [2021-12-22 15:30:04,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9421 to 8572. [2021-12-22 15:30:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8572 states, 5981 states have (on average 1.2919244273532855) internal successors, (7727), 6019 states have internal predecessors, (7727), 1963 states have call successors, (1963), 626 states have call predecessors, (1963), 625 states have return successors, (1959), 1942 states have call predecessors, (1959), 1959 states have call successors, (1959) [2021-12-22 15:30:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8572 states to 8572 states and 11649 transitions. [2021-12-22 15:30:04,888 INFO L78 Accepts]: Start accepts. Automaton has 8572 states and 11649 transitions. Word has length 307 [2021-12-22 15:30:04,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:30:04,890 INFO L470 AbstractCegarLoop]: Abstraction has 8572 states and 11649 transitions. [2021-12-22 15:30:04,890 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-22 15:30:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 8572 states and 11649 transitions. [2021-12-22 15:30:04,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-22 15:30:04,893 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:30:04,894 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:30:04,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 15:30:04,894 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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)] === [2021-12-22 15:30:04,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:30:04,894 INFO L85 PathProgramCache]: Analyzing trace with hash -2021187753, now seen corresponding path program 1 times [2021-12-22 15:30:04,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:30:04,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756275116] [2021-12-22 15:30:04,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:30:04,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:30:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:30:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:30:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:30:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:30:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:30:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:30:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:30:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:30:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:30:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:30:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:30:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:30:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:30:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:30:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:30:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:30:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:30:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:30:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:30:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:30:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-22 15:30:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:30:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:30:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:30:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:30:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-22 15:30:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:30:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-22 15:30:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-22 15:30:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2021-12-22 15:30:05,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:30:05,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756275116] [2021-12-22 15:30:05,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756275116] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:30:05,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:30:05,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:30:05,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173018136] [2021-12-22 15:30:05,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:30:05,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:30:05,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:30:05,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:30:05,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:30:05,425 INFO L87 Difference]: Start difference. First operand 8572 states and 11649 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-22 15:30:09,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:30:09,170 INFO L93 Difference]: Finished difference Result 21565 states and 29755 transitions. [2021-12-22 15:30:09,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:30:09,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 322 [2021-12-22 15:30:09,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:30:09,218 INFO L225 Difference]: With dead ends: 21565 [2021-12-22 15:30:09,218 INFO L226 Difference]: Without dead ends: 13461 [2021-12-22 15:30:09,246 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:30:09,247 INFO L933 BasicCegarLoop]: 3986 mSDtfsCounter, 2515 mSDsluCounter, 6101 mSDsCounter, 0 mSdLazyCounter, 2233 mSolverCounterSat, 1152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2735 SdHoareTripleChecker+Valid, 10087 SdHoareTripleChecker+Invalid, 3385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1152 IncrementalHoareTripleChecker+Valid, 2233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:30:09,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2735 Valid, 10087 Invalid, 3385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1152 Valid, 2233 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-22 15:30:09,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13461 states. [2021-12-22 15:30:09,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13461 to 12231. [2021-12-22 15:30:09,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12231 states, 8561 states have (on average 1.2958766499240744) internal successors, (11094), 8605 states have internal predecessors, (11094), 2787 states have call successors, (2787), 881 states have call predecessors, (2787), 880 states have return successors, (2783), 2766 states have call predecessors, (2783), 2783 states have call successors, (2783) [2021-12-22 15:30:09,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12231 states to 12231 states and 16664 transitions. [2021-12-22 15:30:09,611 INFO L78 Accepts]: Start accepts. Automaton has 12231 states and 16664 transitions. Word has length 322 [2021-12-22 15:30:09,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:30:09,611 INFO L470 AbstractCegarLoop]: Abstraction has 12231 states and 16664 transitions. [2021-12-22 15:30:09,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-22 15:30:09,612 INFO L276 IsEmpty]: Start isEmpty. Operand 12231 states and 16664 transitions. [2021-12-22 15:30:09,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-12-22 15:30:09,614 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:30:09,615 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:30:09,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 15:30:09,615 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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)] === [2021-12-22 15:30:09,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:30:09,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1071531231, now seen corresponding path program 1 times [2021-12-22 15:30:09,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:30:09,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701172570] [2021-12-22 15:30:09,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:30:09,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:30:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:30:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:30:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:30:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:30:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:30:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:30:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:30:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:09,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:30:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:30:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:30:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:30:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:30:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:30:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:30:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:30:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:30:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:30:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:30:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:30:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:30:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-22 15:30:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:30:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:30:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:30:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:30:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:30:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-22 15:30:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:30:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:10,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2021-12-22 15:30:10,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:30:10,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701172570] [2021-12-22 15:30:10,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701172570] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:30:10,256 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:30:10,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:30:10,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903405111] [2021-12-22 15:30:10,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:30:10,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:30:10,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:30:10,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:30:10,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:30:10,258 INFO L87 Difference]: Start difference. First operand 12231 states and 16664 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-22 15:30:12,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:30:12,340 INFO L93 Difference]: Finished difference Result 13440 states and 18647 transitions. [2021-12-22 15:30:12,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:30:12,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 312 [2021-12-22 15:30:12,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:30:12,391 INFO L225 Difference]: With dead ends: 13440 [2021-12-22 15:30:12,391 INFO L226 Difference]: Without dead ends: 13438 [2021-12-22 15:30:12,401 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-22 15:30:12,404 INFO L933 BasicCegarLoop]: 2136 mSDtfsCounter, 2692 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1072 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 2380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1072 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:30:12,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2893 Valid, 7072 Invalid, 2380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1072 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-22 15:30:12,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13438 states. [2021-12-22 15:30:12,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13438 to 12235. [2021-12-22 15:30:12,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12235 states, 8564 states have (on average 1.2957730032695003) internal successors, (11097), 8608 states have internal predecessors, (11097), 2787 states have call successors, (2787), 882 states have call predecessors, (2787), 881 states have return successors, (2783), 2766 states have call predecessors, (2783), 2783 states have call successors, (2783) [2021-12-22 15:30:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12235 states to 12235 states and 16667 transitions. [2021-12-22 15:30:12,891 INFO L78 Accepts]: Start accepts. Automaton has 12235 states and 16667 transitions. Word has length 312 [2021-12-22 15:30:12,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:30:12,892 INFO L470 AbstractCegarLoop]: Abstraction has 12235 states and 16667 transitions. [2021-12-22 15:30:12,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-22 15:30:12,892 INFO L276 IsEmpty]: Start isEmpty. Operand 12235 states and 16667 transitions. [2021-12-22 15:30:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-12-22 15:30:12,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:30:12,900 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:30:12,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 15:30:12,900 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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)] === [2021-12-22 15:30:12,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:30:12,901 INFO L85 PathProgramCache]: Analyzing trace with hash 919624636, now seen corresponding path program 1 times [2021-12-22 15:30:12,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:30:12,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654106904] [2021-12-22 15:30:12,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:30:12,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:30:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:30:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:30:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:30:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:30:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:30:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:30:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:30:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:30:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:30:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:30:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:30:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:30:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:30:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:30:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:30:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:30:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:30:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:30:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:30:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:30:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-22 15:30:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:30:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:30:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:30:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:30:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:30:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-22 15:30:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:30:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-22 15:30:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2021-12-22 15:30:13,427 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:30:13,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654106904] [2021-12-22 15:30:13,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654106904] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:30:13,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:30:13,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:30:13,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667371656] [2021-12-22 15:30:13,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:30:13,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:30:13,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:30:13,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:30:13,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:30:13,428 INFO L87 Difference]: Start difference. First operand 12235 states and 16667 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-22 15:30:17,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:30:17,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:30:17,676 INFO L93 Difference]: Finished difference Result 13444 states and 18650 transitions. [2021-12-22 15:30:17,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:30:17,677 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 317 [2021-12-22 15:30:17,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:30:17,729 INFO L225 Difference]: With dead ends: 13444 [2021-12-22 15:30:17,730 INFO L226 Difference]: Without dead ends: 13442 [2021-12-22 15:30:17,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-22 15:30:17,738 INFO L933 BasicCegarLoop]: 2136 mSDtfsCounter, 2361 mSDsluCounter, 5862 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 639 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2562 SdHoareTripleChecker+Valid, 7998 SdHoareTripleChecker+Invalid, 2522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 639 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:30:17,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2562 Valid, 7998 Invalid, 2522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [639 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-22 15:30:17,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13442 states. [2021-12-22 15:30:18,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13442 to 12239. [2021-12-22 15:30:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12239 states, 8567 states have (on average 1.2956694292050892) internal successors, (11100), 8611 states have internal predecessors, (11100), 2787 states have call successors, (2787), 883 states have call predecessors, (2787), 882 states have return successors, (2783), 2766 states have call predecessors, (2783), 2783 states have call successors, (2783) [2021-12-22 15:30:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12239 states to 12239 states and 16670 transitions. [2021-12-22 15:30:18,206 INFO L78 Accepts]: Start accepts. Automaton has 12239 states and 16670 transitions. Word has length 317 [2021-12-22 15:30:18,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:30:18,207 INFO L470 AbstractCegarLoop]: Abstraction has 12239 states and 16670 transitions. [2021-12-22 15:30:18,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-22 15:30:18,207 INFO L276 IsEmpty]: Start isEmpty. Operand 12239 states and 16670 transitions. [2021-12-22 15:30:18,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-22 15:30:18,211 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:30:18,211 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:30:18,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 15:30:18,211 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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)] === [2021-12-22 15:30:18,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:30:18,212 INFO L85 PathProgramCache]: Analyzing trace with hash -889708865, now seen corresponding path program 1 times [2021-12-22 15:30:18,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:30:18,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276844188] [2021-12-22 15:30:18,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:30:18,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:30:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:30:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:30:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:30:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:30:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:30:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:30:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:30:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:30:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:30:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:30:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:30:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:30:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:30:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:30:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:30:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:30:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:30:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:30:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:30:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:30:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-22 15:30:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:30:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:30:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:18,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:30:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:30:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:30:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-22 15:30:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:30:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-22 15:30:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-22 15:30:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:18,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2021-12-22 15:30:18,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:30:18,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276844188] [2021-12-22 15:30:18,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276844188] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:30:18,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:30:18,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:30:18,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684371731] [2021-12-22 15:30:18,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:30:18,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:30:18,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:30:18,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:30:18,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:30:18,746 INFO L87 Difference]: Start difference. First operand 12239 states and 16670 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-22 15:30:22,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:30:22,647 INFO L93 Difference]: Finished difference Result 13448 states and 18653 transitions. [2021-12-22 15:30:22,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:30:22,647 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 322 [2021-12-22 15:30:22,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:30:22,697 INFO L225 Difference]: With dead ends: 13448 [2021-12-22 15:30:22,698 INFO L226 Difference]: Without dead ends: 13446 [2021-12-22 15:30:22,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-22 15:30:22,707 INFO L933 BasicCegarLoop]: 2136 mSDtfsCounter, 2361 mSDsluCounter, 5862 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2562 SdHoareTripleChecker+Valid, 7998 SdHoareTripleChecker+Invalid, 2521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 638 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:30:22,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2562 Valid, 7998 Invalid, 2521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [638 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-22 15:30:22,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13446 states. [2021-12-22 15:30:23,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13446 to 12243. [2021-12-22 15:30:23,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12243 states, 8570 states have (on average 1.2955659276546092) internal successors, (11103), 8614 states have internal predecessors, (11103), 2787 states have call successors, (2787), 884 states have call predecessors, (2787), 883 states have return successors, (2783), 2766 states have call predecessors, (2783), 2783 states have call successors, (2783) [2021-12-22 15:30:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12243 states to 12243 states and 16673 transitions. [2021-12-22 15:30:23,121 INFO L78 Accepts]: Start accepts. Automaton has 12243 states and 16673 transitions. Word has length 322 [2021-12-22 15:30:23,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:30:23,122 INFO L470 AbstractCegarLoop]: Abstraction has 12243 states and 16673 transitions. [2021-12-22 15:30:23,123 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-22 15:30:23,123 INFO L276 IsEmpty]: Start isEmpty. Operand 12243 states and 16673 transitions. [2021-12-22 15:30:23,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-22 15:30:23,127 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:30:23,127 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:30:23,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 15:30:23,128 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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)] === [2021-12-22 15:30:23,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:30:23,128 INFO L85 PathProgramCache]: Analyzing trace with hash 2104352092, now seen corresponding path program 1 times [2021-12-22 15:30:23,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:30:23,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083615729] [2021-12-22 15:30:23,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:30:23,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:30:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:30:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:30:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:30:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:30:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:30:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:30:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:30:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:30:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:30:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:30:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:30:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:30:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:30:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:30:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:30:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:30:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:30:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:30:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:30:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:30:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-22 15:30:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:30:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:30:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:30:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:30:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:30:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-22 15:30:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:30:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-22 15:30:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-22 15:30:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-22 15:30:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2021-12-22 15:30:23,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:30:23,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083615729] [2021-12-22 15:30:23,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083615729] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:30:23,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:30:23,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:30:23,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171229463] [2021-12-22 15:30:23,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:30:23,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:30:23,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:30:23,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:30:23,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:30:23,695 INFO L87 Difference]: Start difference. First operand 12243 states and 16673 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-22 15:30:26,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:30:26,077 INFO L93 Difference]: Finished difference Result 13452 states and 18656 transitions. [2021-12-22 15:30:26,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:30:26,078 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 327 [2021-12-22 15:30:26,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:30:26,128 INFO L225 Difference]: With dead ends: 13452 [2021-12-22 15:30:26,129 INFO L226 Difference]: Without dead ends: 13450 [2021-12-22 15:30:26,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-22 15:30:26,139 INFO L933 BasicCegarLoop]: 2136 mSDtfsCounter, 2692 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 1069 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 7072 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1069 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:30:26,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2893 Valid, 7072 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1069 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-22 15:30:26,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13450 states. [2021-12-22 15:30:26,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13450 to 12247. [2021-12-22 15:30:26,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12247 states, 8573 states have (on average 1.295462498541934) internal successors, (11106), 8617 states have internal predecessors, (11106), 2787 states have call successors, (2787), 885 states have call predecessors, (2787), 884 states have return successors, (2783), 2766 states have call predecessors, (2783), 2783 states have call successors, (2783) [2021-12-22 15:30:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12247 states to 12247 states and 16676 transitions. [2021-12-22 15:30:26,558 INFO L78 Accepts]: Start accepts. Automaton has 12247 states and 16676 transitions. Word has length 327 [2021-12-22 15:30:26,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:30:26,560 INFO L470 AbstractCegarLoop]: Abstraction has 12247 states and 16676 transitions. [2021-12-22 15:30:26,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-22 15:30:26,560 INFO L276 IsEmpty]: Start isEmpty. Operand 12247 states and 16676 transitions. [2021-12-22 15:30:26,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2021-12-22 15:30:26,564 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:30:26,564 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:30:26,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 15:30:26,565 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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)] === [2021-12-22 15:30:26,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:30:26,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1357172895, now seen corresponding path program 1 times [2021-12-22 15:30:26,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:30:26,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606236895] [2021-12-22 15:30:26,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:30:26,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:30:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:30:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:30:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:30:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:30:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:30:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:30:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:30:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:30:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:30:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:30:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:30:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:30:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:30:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:30:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:30:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:30:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:30:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:30:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-22 15:30:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:30:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-22 15:30:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 15:30:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-22 15:30:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:30:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:30:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-22 15:30:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:30:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-22 15:30:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-22 15:30:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-22 15:30:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-22 15:30:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-12-22 15:30:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-22 15:30:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:30:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1875 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1863 trivial. 0 not checked. [2021-12-22 15:30:27,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:30:27,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606236895] [2021-12-22 15:30:27,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606236895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:30:27,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:30:27,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:30:27,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860094811] [2021-12-22 15:30:27,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:30:27,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:30:27,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:30:27,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:30:27,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:30:27,235 INFO L87 Difference]: Start difference. First operand 12247 states and 16676 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)