./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.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 adae9e973a71be7ae6bae40bd619f2dd42436469ca3cae3ee4a6c75222eea08e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 12:39:08,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 12:39:08,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 12:39:08,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 12:39:08,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 12:39:08,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 12:39:08,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 12:39:08,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 12:39:08,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 12:39:08,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 12:39:08,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 12:39:08,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 12:39:08,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 12:39:08,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 12:39:08,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 12:39:08,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 12:39:08,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 12:39:08,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 12:39:08,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 12:39:08,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 12:39:08,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 12:39:08,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 12:39:08,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 12:39:08,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 12:39:08,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 12:39:08,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 12:39:08,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 12:39:08,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 12:39:08,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 12:39:08,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 12:39:08,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 12:39:08,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 12:39:08,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 12:39:08,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 12:39:08,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 12:39:08,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 12:39:08,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 12:39:08,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 12:39:08,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 12:39:08,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 12:39:08,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 12:39:08,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 12:39:08,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 12:39:08,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 12:39:08,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 12:39:08,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 12:39:08,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 12:39:08,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 12:39:08,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 12:39:08,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 12:39:08,920 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 12:39:08,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 12:39:08,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 12:39:08,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 12:39:08,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 12:39:08,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 12:39:08,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 12:39:08,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 12:39:08,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 12:39:08,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 12:39:08,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 12:39:08,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 12:39:08,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 12:39:08,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 12:39:08,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 12:39:08,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 12:39:08,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 12:39:08,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 12:39:08,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 12:39:08,923 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 12:39:08,923 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 12:39:08,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 12:39:08,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 12:39:08,923 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adae9e973a71be7ae6bae40bd619f2dd42436469ca3cae3ee4a6c75222eea08e [2021-12-18 12:39:09,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 12:39:09,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 12:39:09,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 12:39:09,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 12:39:09,132 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 12:39:09,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-12-18 12:39:09,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d2b69090/b596213921ab4449bccfc54550107f04/FLAG2f6dc195c [2021-12-18 12:39:09,961 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 12:39:09,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-12-18 12:39:10,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d2b69090/b596213921ab4449bccfc54550107f04/FLAG2f6dc195c [2021-12-18 12:39:10,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d2b69090/b596213921ab4449bccfc54550107f04 [2021-12-18 12:39:10,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 12:39:10,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 12:39:10,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 12:39:10,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 12:39:10,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 12:39:10,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:39:10" (1/1) ... [2021-12-18 12:39:10,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c74afe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:10, skipping insertion in model container [2021-12-18 12:39:10,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 12:39:10" (1/1) ... [2021-12-18 12:39:10,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 12:39:10,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 12:39:14,996 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_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772474,772487] [2021-12-18 12:39:14,998 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_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772643,772656] [2021-12-18 12:39:14,998 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_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772810,772823] [2021-12-18 12:39:14,999 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_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772978,772991] [2021-12-18 12:39:15,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 12:39:15,111 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 12:39:15,504 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_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772474,772487] [2021-12-18 12:39:15,504 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_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772643,772656] [2021-12-18 12:39:15,504 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_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772810,772823] [2021-12-18 12:39:15,505 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_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i[772978,772991] [2021-12-18 12:39:15,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 12:39:15,728 INFO L208 MainTranslator]: Completed translation [2021-12-18 12:39:15,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15 WrapperNode [2021-12-18 12:39:15,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 12:39:15,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 12:39:15,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 12:39:15,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 12:39:15,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15" (1/1) ... [2021-12-18 12:39:15,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15" (1/1) ... [2021-12-18 12:39:16,295 INFO L137 Inliner]: procedures = 710, calls = 11680, calls flagged for inlining = 309, calls inlined = 228, statements flattened = 12536 [2021-12-18 12:39:16,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 12:39:16,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 12:39:16,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 12:39:16,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 12:39:16,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15" (1/1) ... [2021-12-18 12:39:16,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15" (1/1) ... [2021-12-18 12:39:16,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15" (1/1) ... [2021-12-18 12:39:16,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15" (1/1) ... [2021-12-18 12:39:16,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15" (1/1) ... [2021-12-18 12:39:16,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15" (1/1) ... [2021-12-18 12:39:16,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15" (1/1) ... [2021-12-18 12:39:16,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 12:39:16,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 12:39:16,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 12:39:16,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 12:39:16,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15" (1/1) ... [2021-12-18 12:39:16,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 12:39:16,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:39:16,780 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) [2021-12-18 12:39:16,798 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 [2021-12-18 12:39:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 12:39:16,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 12:39:16,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 12:39:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 12:39:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure read_register [2021-12-18 12:39:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register [2021-12-18 12:39:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_data [2021-12-18 12:39:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_data [2021-12-18 12:39:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure write_register_byte [2021-12-18 12:39:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register_byte [2021-12-18 12:39:16,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 12:39:16,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 12:39:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 12:39:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 12:39:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-12-18 12:39:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-12-18 12:39:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_release_firmware [2021-12-18 12:39:16,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_release_firmware [2021-12-18 12:39:16,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2021-12-18 12:39:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2021-12-18 12:39:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 12:39:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 12:39:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_configure_security [2021-12-18 12:39:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_configure_security [2021-12-18 12:39:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 12:39:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 12:39:16,816 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-18 12:39:16,816 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-18 12:39:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_adapter [2021-12-18 12:39:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_adapter [2021-12-18 12:39:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_security_information [2021-12-18 12:39:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_security_information [2021-12-18 12:39:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 12:39:16,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 12:39:16,817 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 12:39:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 12:39:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 12:39:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 12:39:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 12:39:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 12:39:16,818 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 12:39:16,818 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 12:39:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mandatory_bssid [2021-12-18 12:39:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mandatory_bssid [2021-12-18 12:39:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 12:39:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 12:39:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_rfkill_set_hw_state [2021-12-18 12:39:16,819 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_rfkill_set_hw_state [2021-12-18 12:39:16,819 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_unregister [2021-12-18 12:39:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_unregister [2021-12-18 12:39:16,820 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_adapter [2021-12-18 12:39:16,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_adapter [2021-12-18 12:39:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 12:39:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 12:39:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 12:39:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_send_command [2021-12-18 12:39:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_send_command [2021-12-18 12:39:16,821 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 12:39:16,821 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 12:39:16,822 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_word [2021-12-18 12:39:16,822 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_word [2021-12-18 12:39:16,935 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 12:39:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 12:39:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure isr_scan_complete [2021-12-18 12:39:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_scan_complete [2021-12-18 12:39:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_power_mode [2021-12-18 12:39:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_power_mode [2021-12-18 12:39:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 12:39:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 12:39:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_byte [2021-12-18 12:39:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_byte [2021-12-18 12:39:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-12-18 12:39:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-12-18 12:39:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 12:39:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 12:39:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 12:39:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-18 12:39:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-18 12:39:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 12:39:16,936 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_dword [2021-12-18 12:39:16,936 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_dword [2021-12-18 12:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 12:39:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 12:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_channel [2021-12-18 12:39:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_channel [2021-12-18 12:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 12:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 12:39:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 12:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_up [2021-12-18 12:39:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_up [2021-12-18 12:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_send_commands [2021-12-18 12:39:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_send_commands [2021-12-18 12:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 12:39:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 12:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 12:39:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 12:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 12:39:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 12:39:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 12:39:16,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 12:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 12:39:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 12:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 12:39:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 12:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_adapter [2021-12-18 12:39:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_adapter [2021-12-18 12:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 12:39:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 12:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_scan_options [2021-12-18 12:39:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_scan_options [2021-12-18 12:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_txb_free [2021-12-18 12:39:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_txb_free [2021-12-18 12:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_reset_fatalerror [2021-12-18 12:39:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_reset_fatalerror [2021-12-18 12:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 12:39:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 12:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 12:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 12:39:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_rates [2021-12-18 12:39:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_rates [2021-12-18 12:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 12:39:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 12:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-12-18 12:39:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-12-18 12:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 12:39:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 12:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 12:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-18 12:39:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-18 12:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 12:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_snapshot_free [2021-12-18 12:39:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_snapshot_free [2021-12-18 12:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 12:39:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 12:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure snprint_line [2021-12-18 12:39:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure snprint_line [2021-12-18 12:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 12:39:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 12:39:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset [2021-12-18 12:39:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_reset [2021-12-18 12:39:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 12:39:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 12:39:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 12:39:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 12:39:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 12:39:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 12:39:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure sw_reset_and_clock [2021-12-18 12:39:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_reset_and_clock [2021-12-18 12:39:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_enable_interrupts [2021-12-18 12:39:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_enable_interrupts [2021-12-18 12:39:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-12-18 12:39:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-12-18 12:39:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_resume [2021-12-18 12:39:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_resume [2021-12-18 12:39:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-18 12:39:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-18 12:39:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 12:39:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 12:39:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-12-18 12:39:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-12-18 12:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_pci_remove_one [2021-12-18 12:39:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_pci_remove_one [2021-12-18 12:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_free [2021-12-18 12:39:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_free [2021-12-18 12:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 12:39:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 12:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 12:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 12:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 12:39:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 12:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_alloc_skb [2021-12-18 12:39:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_alloc_skb [2021-12-18 12:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-18 12:39:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-18 12:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_get_ordinal [2021-12-18 12:39:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_get_ordinal [2021-12-18 12:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_stop_adapter [2021-12-18 12:39:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_stop_adapter [2021-12-18 12:39:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 12:39:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 12:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure write_register [2021-12-18 12:39:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure write_register [2021-12-18 12:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_hw_set_gpio [2021-12-18 12:39:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_hw_set_gpio [2021-12-18 12:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 12:39:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 12:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_down [2021-12-18 12:39:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_down [2021-12-18 12:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_close [2021-12-18 12:39:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_close [2021-12-18 12:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_low_lock_of_ipw2100_priv [2021-12-18 12:39:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_low_lock_of_ipw2100_priv [2021-12-18 12:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_wait_for_card_state [2021-12-18 12:39:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_wait_for_card_state [2021-12-18 12:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_rf_kill [2021-12-18 12:39:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_rf_kill [2021-12-18 12:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 12:39:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 12:39:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 12:39:16,943 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 12:39:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure read_register_byte [2021-12-18 12:39:16,943 INFO L138 BoogieDeclarations]: Found implementation of procedure read_register_byte [2021-12-18 12:39:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure status_queue_free [2021-12-18 12:39:16,943 INFO L138 BoogieDeclarations]: Found implementation of procedure status_queue_free [2021-12-18 12:39:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 12:39:16,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 12:39:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 12:39:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 12:39:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 12:39:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 12:39:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_rx_free [2021-12-18 12:39:16,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_rx_free [2021-12-18 12:39:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 12:39:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 12:39:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-18 12:39:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-18 12:39:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 12:39:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 12:39:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 12:39:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 12:39:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 12:39:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure mod_delayed_work [2021-12-18 12:39:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_delayed_work [2021-12-18 12:39:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 12:39:16,948 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 12:39:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_shutdown [2021-12-18 12:39:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_shutdown [2021-12-18 12:39:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 12:39:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure write_nic_word [2021-12-18 12:39:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure write_nic_word [2021-12-18 12:39:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_association_lost [2021-12-18 12:39:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_association_lost [2021-12-18 12:39:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_free [2021-12-18 12:39:16,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_free [2021-12-18 12:39:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_mac_address [2021-12-18 12:39:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_mac_address [2021-12-18 12:39:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_essid [2021-12-18 12:39:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_essid [2021-12-18 12:39:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-18 12:39:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-18 12:39:16,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 12:39:16,952 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_disable_interrupts [2021-12-18 12:39:16,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_disable_interrupts [2021-12-18 12:39:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-18 12:39:16,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-18 12:39:16,953 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_rts_threshold [2021-12-18 12:39:16,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_rts_threshold [2021-12-18 12:39:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_byte [2021-12-18 12:39:16,954 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_byte [2021-12-18 12:39:16,954 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 12:39:16,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 12:39:16,958 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 12:39:16,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 12:39:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure free_libipw [2021-12-18 12:39:16,959 INFO L138 BoogieDeclarations]: Found implementation of procedure free_libipw [2021-12-18 12:39:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 12:39:16,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 12:39:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 12:39:16,959 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 12:39:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 12:39:16,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 12:39:16,959 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_msg_free [2021-12-18 12:39:16,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_msg_free [2021-12-18 12:39:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure printk_buf [2021-12-18 12:39:16,960 INFO L138 BoogieDeclarations]: Found implementation of procedure printk_buf [2021-12-18 12:39:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure ipw_ethtool_get_drvinfo [2021-12-18 12:39:16,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw_ethtool_get_drvinfo [2021-12-18 12:39:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-18 12:39:16,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-18 12:39:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_set_tx_power [2021-12-18 12:39:16,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_set_tx_power [2021-12-18 12:39:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 12:39:16,960 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 12:39:16,960 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-18 12:39:16,961 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-18 12:39:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 12:39:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 12:39:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-18 12:39:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-18 12:39:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_system_config [2021-12-18 12:39:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_system_config [2021-12-18 12:39:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_kill_works [2021-12-18 12:39:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_kill_works [2021-12-18 12:39:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-12-18 12:39:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-12-18 12:39:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 12:39:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 12:39:16,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 12:39:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_free [2021-12-18 12:39:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_free [2021-12-18 12:39:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 12:39:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 12:39:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure rf_kill_active [2021-12-18 12:39:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_kill_active [2021-12-18 12:39:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure get_seconds [2021-12-18 12:39:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure get_seconds [2021-12-18 12:39:16,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 12:39:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 12:39:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_allocate [2021-12-18 12:39:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_allocate [2021-12-18 12:39:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 12:39:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 12:39:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure libipw_priv [2021-12-18 12:39:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure libipw_priv [2021-12-18 12:39:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_91 [2021-12-18 12:39:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_91 [2021-12-18 12:39:16,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 12:39:16,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 12:39:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 12:39:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 12:39:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_tx_timeout [2021-12-18 12:39:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_tx_timeout [2021-12-18 12:39:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 12:39:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 12:39:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 12:39:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 12:39:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 12:39:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 12:39:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 12:39:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 12:39:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-18 12:39:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-18 12:39:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_open [2021-12-18 12:39:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_open [2021-12-18 12:39:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 12:39:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 12:39:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_queues_initialize [2021-12-18 12:39:16,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_queues_initialize [2021-12-18 12:39:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-18 12:39:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_low_lock_of_ipw2100_priv [2021-12-18 12:39:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_low_lock_of_ipw2100_priv [2021-12-18 12:39:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure pm_qos_update_request [2021-12-18 12:39:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_qos_update_request [2021-12-18 12:39:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_associated [2021-12-18 12:39:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_associated [2021-12-18 12:39:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 12:39:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure isr_indicate_scanning [2021-12-18 12:39:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_indicate_scanning [2021-12-18 12:39:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure read_nic_dword [2021-12-18 12:39:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure read_nic_dword [2021-12-18 12:39:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 12:39:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 12:39:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-18 12:39:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-18 12:39:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure bd_queue_initialize [2021-12-18 12:39:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure bd_queue_initialize [2021-12-18 12:39:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure ipw2100_start_scan [2021-12-18 12:39:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ipw2100_start_scan [2021-12-18 12:39:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-18 12:39:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-18 12:39:17,874 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 12:39:17,877 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 12:39:28,035 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 12:41:36,381 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 12:41:36,407 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 12:41:36,407 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-18 12:41:36,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:41:36 BoogieIcfgContainer [2021-12-18 12:41:36,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 12:41:36,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 12:41:36,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 12:41:36,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 12:41:36,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 12:39:10" (1/3) ... [2021-12-18 12:41:36,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b400e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:41:36, skipping insertion in model container [2021-12-18 12:41:36,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 12:39:15" (2/3) ... [2021-12-18 12:41:36,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b400e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 12:41:36, skipping insertion in model container [2021-12-18 12:41:36,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 12:41:36" (3/3) ... [2021-12-18 12:41:36,418 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-wireless-ipw2x00-ipw2100.cil.i [2021-12-18 12:41:36,422 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 12:41:36,424 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 12:41:36,487 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 12:41:36,501 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 [2021-12-18 12:41:36,504 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 12:41:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 3484 states, 2462 states have (on average 1.3298131600324938) internal successors, (3274), 2490 states have internal predecessors, (3274), 853 states have call successors, (853), 166 states have call predecessors, (853), 165 states have return successors, (849), 847 states have call predecessors, (849), 849 states have call successors, (849) [2021-12-18 12:41:36,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-18 12:41:36,570 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:36,571 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-12-18 12:41:36,574 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)] === [2021-12-18 12:41:36,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:36,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1656102450, now seen corresponding path program 1 times [2021-12-18 12:41:36,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:36,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879588699] [2021-12-18 12:41:36,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:36,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:37,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:37,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:37,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 12:41:37,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:37,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879588699] [2021-12-18 12:41:37,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879588699] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:37,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:37,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:37,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655385209] [2021-12-18 12:41:37,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:37,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:37,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:37,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:37,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:37,869 INFO L87 Difference]: Start difference. First operand has 3484 states, 2462 states have (on average 1.3298131600324938) internal successors, (3274), 2490 states have internal predecessors, (3274), 853 states have call successors, (853), 166 states have call predecessors, (853), 165 states have return successors, (849), 847 states have call predecessors, (849), 849 states have call successors, (849) Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 12:41:38,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:38,516 INFO L93 Difference]: Finished difference Result 6940 states and 10364 transitions. [2021-12-18 12:41:38,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:38,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2021-12-18 12:41:38,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:38,559 INFO L225 Difference]: With dead ends: 6940 [2021-12-18 12:41:38,560 INFO L226 Difference]: Without dead ends: 3473 [2021-12-18 12:41:38,595 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:38,601 INFO L933 BasicCegarLoop]: 4953 mSDtfsCounter, 4926 mSDsluCounter, 9890 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4941 SdHoareTripleChecker+Valid, 14843 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:38,602 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4941 Valid, 14843 Invalid, 23 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:41:38,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3473 states. [2021-12-18 12:41:38,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3473 to 3473. [2021-12-18 12:41:38,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3473 states, 2456 states have (on average 1.3236970684039089) internal successors, (3251), 2483 states have internal predecessors, (3251), 849 states have call successors, (849), 166 states have call predecessors, (849), 165 states have return successors, (846), 844 states have call predecessors, (846), 846 states have call successors, (846) [2021-12-18 12:41:38,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 3473 states and 4946 transitions. [2021-12-18 12:41:38,843 INFO L78 Accepts]: Start accepts. Automaton has 3473 states and 4946 transitions. Word has length 51 [2021-12-18 12:41:38,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:38,844 INFO L470 AbstractCegarLoop]: Abstraction has 3473 states and 4946 transitions. [2021-12-18 12:41:38,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-18 12:41:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 4946 transitions. [2021-12-18 12:41:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-18 12:41:38,847 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:38,848 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-12-18 12:41:38,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 12:41:38,848 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-18 12:41:38,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:38,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1570512369, now seen corresponding path program 1 times [2021-12-18 12:41:38,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:38,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261349398] [2021-12-18 12:41:38,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:38,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:39,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:39,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:39,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:39,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:39,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:39,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:41:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:39,908 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-18 12:41:39,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:39,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261349398] [2021-12-18 12:41:39,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261349398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:39,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:39,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:39,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81738619] [2021-12-18 12:41:39,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:39,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:39,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:39,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:39,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:39,912 INFO L87 Difference]: Start difference. First operand 3473 states and 4946 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 12:41:40,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:40,395 INFO L93 Difference]: Finished difference Result 3479 states and 4951 transitions. [2021-12-18 12:41:40,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:40,396 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2021-12-18 12:41:40,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:40,417 INFO L225 Difference]: With dead ends: 3479 [2021-12-18 12:41:40,417 INFO L226 Difference]: Without dead ends: 3477 [2021-12-18 12:41:40,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:40,421 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4909 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4922 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:40,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4922 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 12:41:40,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3477 states. [2021-12-18 12:41:40,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3477 to 3477. [2021-12-18 12:41:40,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3477 states, 2459 states have (on average 1.3233021553477022) internal successors, (3254), 2486 states have internal predecessors, (3254), 849 states have call successors, (849), 167 states have call predecessors, (849), 166 states have return successors, (846), 844 states have call predecessors, (846), 846 states have call successors, (846) [2021-12-18 12:41:40,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4949 transitions. [2021-12-18 12:41:40,552 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4949 transitions. Word has length 56 [2021-12-18 12:41:40,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:40,553 INFO L470 AbstractCegarLoop]: Abstraction has 3477 states and 4949 transitions. [2021-12-18 12:41:40,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-18 12:41:40,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4949 transitions. [2021-12-18 12:41:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-18 12:41:40,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:40,559 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-12-18 12:41:40,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 12:41:40,559 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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)] === [2021-12-18 12:41:40,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:40,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1624893586, now seen corresponding path program 1 times [2021-12-18 12:41:40,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:40,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015971979] [2021-12-18 12:41:40,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:40,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:41,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:41,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:41,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:41,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:41,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:41,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:41:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:41:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-18 12:41:41,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:41,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015971979] [2021-12-18 12:41:41,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015971979] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:41,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:41,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:41,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109595120] [2021-12-18 12:41:41,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:41,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:41,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:41,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:41,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:41,330 INFO L87 Difference]: Start difference. First operand 3477 states and 4949 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 12:41:41,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:41,767 INFO L93 Difference]: Finished difference Result 3483 states and 4954 transitions. [2021-12-18 12:41:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:41,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 61 [2021-12-18 12:41:41,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:41,787 INFO L225 Difference]: With dead ends: 3483 [2021-12-18 12:41:41,787 INFO L226 Difference]: Without dead ends: 3481 [2021-12-18 12:41:41,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:41,792 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4909 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4921 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:41,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4921 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 12:41:41,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3481 states. [2021-12-18 12:41:41,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3481 to 3481. [2021-12-18 12:41:41,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3481 states, 2462 states have (on average 1.3229082047116165) internal successors, (3257), 2489 states have internal predecessors, (3257), 849 states have call successors, (849), 168 states have call predecessors, (849), 167 states have return successors, (846), 844 states have call predecessors, (846), 846 states have call successors, (846) [2021-12-18 12:41:41,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 3481 states and 4952 transitions. [2021-12-18 12:41:41,907 INFO L78 Accepts]: Start accepts. Automaton has 3481 states and 4952 transitions. Word has length 61 [2021-12-18 12:41:41,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:41,908 INFO L470 AbstractCegarLoop]: Abstraction has 3481 states and 4952 transitions. [2021-12-18 12:41:41,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-18 12:41:41,908 INFO L276 IsEmpty]: Start isEmpty. Operand 3481 states and 4952 transitions. [2021-12-18 12:41:41,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-12-18 12:41:41,910 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:41,910 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2021-12-18 12:41:41,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 12:41:41,911 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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)] === [2021-12-18 12:41:41,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:41,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1487234095, now seen corresponding path program 1 times [2021-12-18 12:41:41,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:41,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958344668] [2021-12-18 12:41:41,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:41,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:42,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:42,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:41:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:41:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:42,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:41:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:42,625 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-18 12:41:42,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:42,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958344668] [2021-12-18 12:41:42,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958344668] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:42,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:42,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:42,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004159423] [2021-12-18 12:41:42,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:42,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:42,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:42,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:42,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:42,627 INFO L87 Difference]: Start difference. First operand 3481 states and 4952 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 12:41:43,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:43,069 INFO L93 Difference]: Finished difference Result 3487 states and 4957 transitions. [2021-12-18 12:41:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:43,070 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2021-12-18 12:41:43,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:43,091 INFO L225 Difference]: With dead ends: 3487 [2021-12-18 12:41:43,091 INFO L226 Difference]: Without dead ends: 3485 [2021-12-18 12:41:43,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:43,098 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4909 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4920 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:43,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4920 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:41:43,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3485 states. [2021-12-18 12:41:43,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3485 to 3485. [2021-12-18 12:41:43,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3485 states, 2465 states have (on average 1.3225152129817443) internal successors, (3260), 2492 states have internal predecessors, (3260), 849 states have call successors, (849), 169 states have call predecessors, (849), 168 states have return successors, (846), 844 states have call predecessors, (846), 846 states have call successors, (846) [2021-12-18 12:41:43,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 4955 transitions. [2021-12-18 12:41:43,357 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 4955 transitions. Word has length 66 [2021-12-18 12:41:43,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:43,359 INFO L470 AbstractCegarLoop]: Abstraction has 3485 states and 4955 transitions. [2021-12-18 12:41:43,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-18 12:41:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 4955 transitions. [2021-12-18 12:41:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-18 12:41:43,362 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:43,362 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2021-12-18 12:41:43,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 12:41:43,363 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)] === [2021-12-18 12:41:43,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:43,364 INFO L85 PathProgramCache]: Analyzing trace with hash -2006616818, now seen corresponding path program 1 times [2021-12-18 12:41:43,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:43,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190364448] [2021-12-18 12:41:43,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:43,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:44,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:44,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:44,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:44,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:41:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:44,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:41:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:44,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:41:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:41:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-18 12:41:44,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:44,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190364448] [2021-12-18 12:41:44,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190364448] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:44,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:44,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:44,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71081887] [2021-12-18 12:41:44,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:44,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:44,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:44,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:44,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:44,134 INFO L87 Difference]: Start difference. First operand 3485 states and 4955 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 12:41:44,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:44,554 INFO L93 Difference]: Finished difference Result 3491 states and 4960 transitions. [2021-12-18 12:41:44,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:44,554 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2021-12-18 12:41:44,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:44,577 INFO L225 Difference]: With dead ends: 3491 [2021-12-18 12:41:44,577 INFO L226 Difference]: Without dead ends: 3489 [2021-12-18 12:41:44,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:44,581 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4909 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4919 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:44,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4919 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:41:44,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2021-12-18 12:41:44,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 3489. [2021-12-18 12:41:44,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3489 states, 2468 states have (on average 1.3221231766612642) internal successors, (3263), 2495 states have internal predecessors, (3263), 849 states have call successors, (849), 170 states have call predecessors, (849), 169 states have return successors, (846), 844 states have call predecessors, (846), 846 states have call successors, (846) [2021-12-18 12:41:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 3489 states and 4958 transitions. [2021-12-18 12:41:44,733 INFO L78 Accepts]: Start accepts. Automaton has 3489 states and 4958 transitions. Word has length 71 [2021-12-18 12:41:44,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:44,734 INFO L470 AbstractCegarLoop]: Abstraction has 3489 states and 4958 transitions. [2021-12-18 12:41:44,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-18 12:41:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 3489 states and 4958 transitions. [2021-12-18 12:41:44,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-18 12:41:44,735 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:44,736 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:41:44,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 12:41:44,736 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)] === [2021-12-18 12:41:44,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:44,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1792438847, now seen corresponding path program 1 times [2021-12-18 12:41:44,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:44,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865769626] [2021-12-18 12:41:44,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:44,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 12:41:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:41:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:41:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:41:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:41:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:41:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-18 12:41:45,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:45,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865769626] [2021-12-18 12:41:45,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865769626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:45,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:45,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:45,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216754091] [2021-12-18 12:41:45,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:45,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:45,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:45,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:45,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:45,536 INFO L87 Difference]: Start difference. First operand 3489 states and 4958 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 12:41:45,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:45,967 INFO L93 Difference]: Finished difference Result 3495 states and 4963 transitions. [2021-12-18 12:41:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:45,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 91 [2021-12-18 12:41:45,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:45,999 INFO L225 Difference]: With dead ends: 3495 [2021-12-18 12:41:45,999 INFO L226 Difference]: Without dead ends: 3493 [2021-12-18 12:41:46,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:46,003 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4897 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4906 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:46,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4906 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:41:46,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3493 states. [2021-12-18 12:41:46,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3493 to 3493. [2021-12-18 12:41:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3493 states, 2471 states have (on average 1.321732092270336) internal successors, (3266), 2498 states have internal predecessors, (3266), 849 states have call successors, (849), 171 states have call predecessors, (849), 170 states have return successors, (846), 844 states have call predecessors, (846), 846 states have call successors, (846) [2021-12-18 12:41:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 3493 states and 4961 transitions. [2021-12-18 12:41:46,145 INFO L78 Accepts]: Start accepts. Automaton has 3493 states and 4961 transitions. Word has length 91 [2021-12-18 12:41:46,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:46,146 INFO L470 AbstractCegarLoop]: Abstraction has 3493 states and 4961 transitions. [2021-12-18 12:41:46,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-18 12:41:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand 3493 states and 4961 transitions. [2021-12-18 12:41:46,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-18 12:41:46,152 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:46,152 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:41:46,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 12:41:46,152 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)] === [2021-12-18 12:41:46,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:46,153 INFO L85 PathProgramCache]: Analyzing trace with hash -452302690, now seen corresponding path program 1 times [2021-12-18 12:41:46,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:46,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454122528] [2021-12-18 12:41:46,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:46,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 12:41:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:41:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:41:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:41:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:41:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:41:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:41:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:46,912 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-18 12:41:46,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:46,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454122528] [2021-12-18 12:41:46,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454122528] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:46,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:46,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:46,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364775102] [2021-12-18 12:41:46,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:46,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:46,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:46,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:46,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:46,915 INFO L87 Difference]: Start difference. First operand 3493 states and 4961 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 12:41:47,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:47,335 INFO L93 Difference]: Finished difference Result 3499 states and 4966 transitions. [2021-12-18 12:41:47,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:47,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 96 [2021-12-18 12:41:47,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:47,350 INFO L225 Difference]: With dead ends: 3499 [2021-12-18 12:41:47,350 INFO L226 Difference]: Without dead ends: 3497 [2021-12-18 12:41:47,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:47,353 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4897 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4905 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:47,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4905 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:41:47,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3497 states. [2021-12-18 12:41:47,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3497 to 3497. [2021-12-18 12:41:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3497 states, 2474 states have (on average 1.3213419563459985) internal successors, (3269), 2501 states have internal predecessors, (3269), 849 states have call successors, (849), 172 states have call predecessors, (849), 171 states have return successors, (846), 844 states have call predecessors, (846), 846 states have call successors, (846) [2021-12-18 12:41:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 3497 states and 4964 transitions. [2021-12-18 12:41:47,473 INFO L78 Accepts]: Start accepts. Automaton has 3497 states and 4964 transitions. Word has length 96 [2021-12-18 12:41:47,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:47,473 INFO L470 AbstractCegarLoop]: Abstraction has 3497 states and 4964 transitions. [2021-12-18 12:41:47,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 12:41:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 3497 states and 4964 transitions. [2021-12-18 12:41:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-18 12:41:47,475 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:47,476 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:41:47,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 12:41:47,476 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)] === [2021-12-18 12:41:47,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:47,476 INFO L85 PathProgramCache]: Analyzing trace with hash -86120543, now seen corresponding path program 1 times [2021-12-18 12:41:47,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:47,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431539783] [2021-12-18 12:41:47,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:47,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 12:41:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:41:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:41:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:41:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:41:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:41:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:41:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:41:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-18 12:41:48,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:48,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431539783] [2021-12-18 12:41:48,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431539783] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:48,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:48,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:48,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409604980] [2021-12-18 12:41:48,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:48,151 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:48,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:48,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:48,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:48,152 INFO L87 Difference]: Start difference. First operand 3497 states and 4964 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 12:41:48,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:48,626 INFO L93 Difference]: Finished difference Result 3634 states and 5109 transitions. [2021-12-18 12:41:48,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:48,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 101 [2021-12-18 12:41:48,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:48,661 INFO L225 Difference]: With dead ends: 3634 [2021-12-18 12:41:48,661 INFO L226 Difference]: Without dead ends: 3632 [2021-12-18 12:41:48,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:48,667 INFO L933 BasicCegarLoop]: 5028 mSDtfsCounter, 4499 mSDsluCounter, 10570 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4506 SdHoareTripleChecker+Valid, 15598 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:48,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4506 Valid, 15598 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:41:48,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3632 states. [2021-12-18 12:41:48,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3632 to 3632. [2021-12-18 12:41:48,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3632 states, 2569 states have (on average 1.314908524717789) internal successors, (3378), 2597 states have internal predecessors, (3378), 866 states have call successors, (866), 195 states have call predecessors, (866), 194 states have return successors, (863), 861 states have call predecessors, (863), 863 states have call successors, (863) [2021-12-18 12:41:48,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 3632 states and 5107 transitions. [2021-12-18 12:41:48,827 INFO L78 Accepts]: Start accepts. Automaton has 3632 states and 5107 transitions. Word has length 101 [2021-12-18 12:41:48,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:48,827 INFO L470 AbstractCegarLoop]: Abstraction has 3632 states and 5107 transitions. [2021-12-18 12:41:48,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 12:41:48,827 INFO L276 IsEmpty]: Start isEmpty. Operand 3632 states and 5107 transitions. [2021-12-18 12:41:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-18 12:41:48,829 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:48,829 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 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] [2021-12-18 12:41:48,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 12:41:48,830 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)] === [2021-12-18 12:41:48,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:48,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1606047666, now seen corresponding path program 1 times [2021-12-18 12:41:48,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:48,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998591272] [2021-12-18 12:41:48,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:48,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:41:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:41:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:41:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:41:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:41:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:41:49,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:41:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:41:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:49,702 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-12-18 12:41:49,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:49,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998591272] [2021-12-18 12:41:49,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998591272] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:49,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:49,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:49,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238686738] [2021-12-18 12:41:49,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:49,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:49,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:49,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:49,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:49,705 INFO L87 Difference]: Start difference. First operand 3632 states and 5107 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 12:41:50,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:50,122 INFO L93 Difference]: Finished difference Result 3638 states and 5112 transitions. [2021-12-18 12:41:50,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:50,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2021-12-18 12:41:50,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:50,138 INFO L225 Difference]: With dead ends: 3638 [2021-12-18 12:41:50,138 INFO L226 Difference]: Without dead ends: 3636 [2021-12-18 12:41:50,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:50,144 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4909 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4915 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:50,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4915 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:41:50,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3636 states. [2021-12-18 12:41:50,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3636 to 3636. [2021-12-18 12:41:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3636 states, 2572 states have (on average 1.3145412130637637) internal successors, (3381), 2600 states have internal predecessors, (3381), 866 states have call successors, (866), 196 states have call predecessors, (866), 195 states have return successors, (863), 861 states have call predecessors, (863), 863 states have call successors, (863) [2021-12-18 12:41:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 3636 states and 5110 transitions. [2021-12-18 12:41:50,291 INFO L78 Accepts]: Start accepts. Automaton has 3636 states and 5110 transitions. Word has length 91 [2021-12-18 12:41:50,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:50,292 INFO L470 AbstractCegarLoop]: Abstraction has 3636 states and 5110 transitions. [2021-12-18 12:41:50,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-18 12:41:50,292 INFO L276 IsEmpty]: Start isEmpty. Operand 3636 states and 5110 transitions. [2021-12-18 12:41:50,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-18 12:41:50,293 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:50,293 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 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] [2021-12-18 12:41:50,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 12:41:50,294 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)] === [2021-12-18 12:41:50,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:50,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1168038543, now seen corresponding path program 1 times [2021-12-18 12:41:50,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:50,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640740075] [2021-12-18 12:41:50,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:50,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:50,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:50,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:50,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:41:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:50,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:41:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:41:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:41:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:41:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:51,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:41:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:41:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:51,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:41:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:41:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-12-18 12:41:51,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:51,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640740075] [2021-12-18 12:41:51,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640740075] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:51,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:51,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:51,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723624057] [2021-12-18 12:41:51,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:51,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:51,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:51,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:51,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:51,054 INFO L87 Difference]: Start difference. First operand 3636 states and 5110 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 12:41:51,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:51,500 INFO L93 Difference]: Finished difference Result 3642 states and 5115 transitions. [2021-12-18 12:41:51,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:51,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2021-12-18 12:41:51,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:51,516 INFO L225 Difference]: With dead ends: 3642 [2021-12-18 12:41:51,516 INFO L226 Difference]: Without dead ends: 3640 [2021-12-18 12:41:51,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:51,519 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4909 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4914 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:51,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4914 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:41:51,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3640 states. [2021-12-18 12:41:51,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3640 to 3640. [2021-12-18 12:41:51,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3640 states, 2575 states have (on average 1.3141747572815534) internal successors, (3384), 2603 states have internal predecessors, (3384), 866 states have call successors, (866), 197 states have call predecessors, (866), 196 states have return successors, (863), 861 states have call predecessors, (863), 863 states have call successors, (863) [2021-12-18 12:41:51,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3640 states to 3640 states and 5113 transitions. [2021-12-18 12:41:51,655 INFO L78 Accepts]: Start accepts. Automaton has 3640 states and 5113 transitions. Word has length 96 [2021-12-18 12:41:51,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:51,656 INFO L470 AbstractCegarLoop]: Abstraction has 3640 states and 5113 transitions. [2021-12-18 12:41:51,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 12:41:51,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3640 states and 5113 transitions. [2021-12-18 12:41:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-18 12:41:51,658 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:51,658 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:41:51,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 12:41:51,659 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)] === [2021-12-18 12:41:51,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:51,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1887736798, now seen corresponding path program 1 times [2021-12-18 12:41:51,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:51,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752632883] [2021-12-18 12:41:51,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:51,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 12:41:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:41:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:41:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:41:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:41:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:41:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:41:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:41:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:41:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:41:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 12:41:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-12-18 12:41:52,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:52,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752632883] [2021-12-18 12:41:52,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752632883] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:52,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:52,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:52,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247929500] [2021-12-18 12:41:52,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:52,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:52,438 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:52,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:52,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:52,439 INFO L87 Difference]: Start difference. First operand 3640 states and 5113 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 12:41:52,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:52,891 INFO L93 Difference]: Finished difference Result 3646 states and 5118 transitions. [2021-12-18 12:41:52,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:52,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 116 [2021-12-18 12:41:52,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:52,909 INFO L225 Difference]: With dead ends: 3646 [2021-12-18 12:41:52,909 INFO L226 Difference]: Without dead ends: 3644 [2021-12-18 12:41:52,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:52,914 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4897 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4901 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:52,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4901 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:41:52,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3644 states. [2021-12-18 12:41:53,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3644 to 3644. [2021-12-18 12:41:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3644 states, 2578 states have (on average 1.3138091543832429) internal successors, (3387), 2606 states have internal predecessors, (3387), 866 states have call successors, (866), 198 states have call predecessors, (866), 197 states have return successors, (863), 861 states have call predecessors, (863), 863 states have call successors, (863) [2021-12-18 12:41:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 3644 states and 5116 transitions. [2021-12-18 12:41:53,121 INFO L78 Accepts]: Start accepts. Automaton has 3644 states and 5116 transitions. Word has length 116 [2021-12-18 12:41:53,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:53,121 INFO L470 AbstractCegarLoop]: Abstraction has 3644 states and 5116 transitions. [2021-12-18 12:41:53,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 12:41:53,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3644 states and 5116 transitions. [2021-12-18 12:41:53,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-18 12:41:53,124 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:53,124 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 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] [2021-12-18 12:41:53,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 12:41:53,125 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)] === [2021-12-18 12:41:53,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:53,125 INFO L85 PathProgramCache]: Analyzing trace with hash -823983279, now seen corresponding path program 1 times [2021-12-18 12:41:53,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:53,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888815600] [2021-12-18 12:41:53,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:53,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:41:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:41:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:41:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:41:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:41:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-18 12:41:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:41:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:41:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:41:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:41:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:41:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:41:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:41:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:41:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-18 12:41:53,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:53,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888815600] [2021-12-18 12:41:53,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888815600] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:53,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:53,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:41:53,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58036984] [2021-12-18 12:41:53,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:53,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:41:53,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:53,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:41:53,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:41:53,918 INFO L87 Difference]: Start difference. First operand 3644 states and 5116 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 12:41:54,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:41:54,366 INFO L93 Difference]: Finished difference Result 3650 states and 5121 transitions. [2021-12-18 12:41:54,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:41:54,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 106 [2021-12-18 12:41:54,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:41:54,383 INFO L225 Difference]: With dead ends: 3650 [2021-12-18 12:41:54,383 INFO L226 Difference]: Without dead ends: 3648 [2021-12-18 12:41:54,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:41:54,387 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4909 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4912 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:41:54,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4912 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:41:54,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2021-12-18 12:41:54,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 3648. [2021-12-18 12:41:54,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 2581 states have (on average 1.3134444013948081) internal successors, (3390), 2609 states have internal predecessors, (3390), 866 states have call successors, (866), 199 states have call predecessors, (866), 198 states have return successors, (863), 861 states have call predecessors, (863), 863 states have call successors, (863) [2021-12-18 12:41:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 5119 transitions. [2021-12-18 12:41:54,548 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 5119 transitions. Word has length 106 [2021-12-18 12:41:54,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:41:54,548 INFO L470 AbstractCegarLoop]: Abstraction has 3648 states and 5119 transitions. [2021-12-18 12:41:54,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-18 12:41:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 5119 transitions. [2021-12-18 12:41:54,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-18 12:41:54,550 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:41:54,551 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:41:54,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 12:41:54,551 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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)] === [2021-12-18 12:41:54,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:41:54,551 INFO L85 PathProgramCache]: Analyzing trace with hash -657317070, now seen corresponding path program 1 times [2021-12-18 12:41:54,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:41:54,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405420549] [2021-12-18 12:41:54,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:41:54,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:41:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:41:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:41:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:41:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:41:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:41:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:41:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:41:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:41:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:41:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 12:41:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-18 12:41:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 12:41:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:41:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:41:55,487 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-12-18 12:41:55,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:41:55,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405420549] [2021-12-18 12:41:55,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405420549] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:41:55,488 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:41:55,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 12:41:55,488 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046768032] [2021-12-18 12:41:55,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:41:55,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 12:41:55,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:41:55,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 12:41:55,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 12:41:55,490 INFO L87 Difference]: Start difference. First operand 3648 states and 5119 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-18 12:41:58,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:01,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:03,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:19,345 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:21,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:24,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:26,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:29,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:31,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:34,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:36,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:39,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:41,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:44,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:47,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:49,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:52,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:42:55,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:42:55,114 INFO L93 Difference]: Finished difference Result 7617 states and 10728 transitions. [2021-12-18 12:42:55,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 12:42:55,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 131 [2021-12-18 12:42:55,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:42:55,146 INFO L225 Difference]: With dead ends: 7617 [2021-12-18 12:42:55,147 INFO L226 Difference]: Without dead ends: 3989 [2021-12-18 12:42:55,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 12:42:55,165 INFO L933 BasicCegarLoop]: 5047 mSDtfsCounter, 1558 mSDsluCounter, 5866 mSDsCounter, 0 mSdLazyCounter, 2158 mSolverCounterSat, 893 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1953 SdHoareTripleChecker+Valid, 10913 SdHoareTripleChecker+Invalid, 3068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 893 IncrementalHoareTripleChecker+Valid, 2158 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.0s IncrementalHoareTripleChecker+Time [2021-12-18 12:42:55,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1953 Valid, 10913 Invalid, 3068 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [893 Valid, 2158 Invalid, 17 Unknown, 0 Unchecked, 59.0s Time] [2021-12-18 12:42:55,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3989 states. [2021-12-18 12:42:55,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3989 to 3651. [2021-12-18 12:42:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3651 states, 2584 states have (on average 1.313467492260062) internal successors, (3394), 2612 states have internal predecessors, (3394), 866 states have call successors, (866), 199 states have call predecessors, (866), 198 states have return successors, (863), 861 states have call predecessors, (863), 863 states have call successors, (863) [2021-12-18 12:42:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3651 states to 3651 states and 5123 transitions. [2021-12-18 12:42:55,362 INFO L78 Accepts]: Start accepts. Automaton has 3651 states and 5123 transitions. Word has length 131 [2021-12-18 12:42:55,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:42:55,362 INFO L470 AbstractCegarLoop]: Abstraction has 3651 states and 5123 transitions. [2021-12-18 12:42:55,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-18 12:42:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 3651 states and 5123 transitions. [2021-12-18 12:42:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-18 12:42:55,365 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:42:55,365 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:42:55,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 12:42:55,365 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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)] === [2021-12-18 12:42:55,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:42:55,366 INFO L85 PathProgramCache]: Analyzing trace with hash 816702846, now seen corresponding path program 1 times [2021-12-18 12:42:55,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:42:55,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934118024] [2021-12-18 12:42:55,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:42:55,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:42:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:55,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:42:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:55,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:42:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:42:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:42:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:42:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:55,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:42:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:55,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 12:42:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:42:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:42:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:42:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:42:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:42:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:42:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:42:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:42:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:42:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 12:42:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 12:42:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 12:42:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:56,213 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-12-18 12:42:56,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:42:56,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934118024] [2021-12-18 12:42:56,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934118024] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:42:56,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:42:56,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:42:56,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992124742] [2021-12-18 12:42:56,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:42:56,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:42:56,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:42:56,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:42:56,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:42:56,215 INFO L87 Difference]: Start difference. First operand 3651 states and 5123 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 12:42:56,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:42:56,657 INFO L93 Difference]: Finished difference Result 3657 states and 5128 transitions. [2021-12-18 12:42:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:42:56,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2021-12-18 12:42:56,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:42:56,671 INFO L225 Difference]: With dead ends: 3657 [2021-12-18 12:42:56,671 INFO L226 Difference]: Without dead ends: 3655 [2021-12-18 12:42:56,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:42:56,675 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4897 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4899 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:42:56,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4899 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:42:56,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3655 states. [2021-12-18 12:42:56,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3655 to 3655. [2021-12-18 12:42:56,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3655 states, 2587 states have (on average 1.31310398144569) internal successors, (3397), 2615 states have internal predecessors, (3397), 866 states have call successors, (866), 200 states have call predecessors, (866), 199 states have return successors, (863), 861 states have call predecessors, (863), 863 states have call successors, (863) [2021-12-18 12:42:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3655 states to 3655 states and 5126 transitions. [2021-12-18 12:42:56,830 INFO L78 Accepts]: Start accepts. Automaton has 3655 states and 5126 transitions. Word has length 126 [2021-12-18 12:42:56,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:42:56,830 INFO L470 AbstractCegarLoop]: Abstraction has 3655 states and 5126 transitions. [2021-12-18 12:42:56,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 12:42:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 3655 states and 5126 transitions. [2021-12-18 12:42:56,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-18 12:42:56,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:42:56,833 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:42:56,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 12:42:56,833 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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)] === [2021-12-18 12:42:56,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:42:56,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1795947199, now seen corresponding path program 1 times [2021-12-18 12:42:56,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:42:56,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500889804] [2021-12-18 12:42:56,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:42:56,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:42:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:42:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:42:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:42:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:42:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:42:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:42:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 12:42:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:42:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:42:57,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:42:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:42:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:42:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:42:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:42:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:42:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:42:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 12:42:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 12:42:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 12:42:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 12:42:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-12-18 12:42:57,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:42:57,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500889804] [2021-12-18 12:42:57,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500889804] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:42:57,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:42:57,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:42:57,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840761290] [2021-12-18 12:42:57,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:42:57,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:42:57,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:42:57,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:42:57,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:42:57,593 INFO L87 Difference]: Start difference. First operand 3655 states and 5126 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 12:42:58,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:42:58,044 INFO L93 Difference]: Finished difference Result 3661 states and 5131 transitions. [2021-12-18 12:42:58,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:42:58,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 131 [2021-12-18 12:42:58,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:42:58,060 INFO L225 Difference]: With dead ends: 3661 [2021-12-18 12:42:58,061 INFO L226 Difference]: Without dead ends: 3657 [2021-12-18 12:42:58,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:42:58,066 INFO L933 BasicCegarLoop]: 4943 mSDtfsCounter, 4897 mSDsluCounter, 9864 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4898 SdHoareTripleChecker+Valid, 14807 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:42:58,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4898 Valid, 14807 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:42:58,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3657 states. [2021-12-18 12:42:58,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3657 to 3657. [2021-12-18 12:42:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3657 states, 2589 states have (on average 1.3124758594051757) internal successors, (3398), 2616 states have internal predecessors, (3398), 866 states have call successors, (866), 201 states have call predecessors, (866), 199 states have return successors, (863), 861 states have call predecessors, (863), 863 states have call successors, (863) [2021-12-18 12:42:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3657 states to 3657 states and 5127 transitions. [2021-12-18 12:42:58,227 INFO L78 Accepts]: Start accepts. Automaton has 3657 states and 5127 transitions. Word has length 131 [2021-12-18 12:42:58,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:42:58,228 INFO L470 AbstractCegarLoop]: Abstraction has 3657 states and 5127 transitions. [2021-12-18 12:42:58,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-18 12:42:58,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3657 states and 5127 transitions. [2021-12-18 12:42:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-18 12:42:58,231 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:42:58,231 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:42:58,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 12:42:58,231 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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)] === [2021-12-18 12:42:58,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:42:58,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1384825981, now seen corresponding path program 1 times [2021-12-18 12:42:58,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:42:58,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96171904] [2021-12-18 12:42:58,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:42:58,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:42:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:42:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:42:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:42:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:42:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:42:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:42:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:42:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:42:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:42:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:42:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:42:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:42:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:42:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:42:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:42:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 12:42:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:42:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 12:42:59,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 12:42:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:42:59,913 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-12-18 12:42:59,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:42:59,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96171904] [2021-12-18 12:42:59,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96171904] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:42:59,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:42:59,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 12:42:59,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781224963] [2021-12-18 12:42:59,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:42:59,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 12:42:59,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:42:59,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 12:42:59,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:42:59,916 INFO L87 Difference]: Start difference. First operand 3657 states and 5127 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 12:43:04,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:43:07,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:43:09,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:43:47,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:43:56,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:43:58,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:01,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:04,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:10,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:12,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:15,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:19,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:22,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:26,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:30,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:33,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:35,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:38,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:41,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:44,708 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:44:47,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:45:07,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:45:07,208 INFO L93 Difference]: Finished difference Result 6348 states and 9037 transitions. [2021-12-18 12:45:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 12:45:07,209 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 135 [2021-12-18 12:45:07,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:45:07,245 INFO L225 Difference]: With dead ends: 6348 [2021-12-18 12:45:07,245 INFO L226 Difference]: Without dead ends: 6346 [2021-12-18 12:45:07,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-12-18 12:45:07,251 INFO L933 BasicCegarLoop]: 5015 mSDtfsCounter, 8897 mSDsluCounter, 14015 mSDsCounter, 0 mSdLazyCounter, 10763 mSolverCounterSat, 5952 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9506 SdHoareTripleChecker+Valid, 19030 SdHoareTripleChecker+Invalid, 16736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 5952 IncrementalHoareTripleChecker+Valid, 10763 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 125.3s IncrementalHoareTripleChecker+Time [2021-12-18 12:45:07,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9506 Valid, 19030 Invalid, 16736 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [5952 Valid, 10763 Invalid, 21 Unknown, 0 Unchecked, 125.3s Time] [2021-12-18 12:45:07,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6346 states. [2021-12-18 12:45:07,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6346 to 5896. [2021-12-18 12:45:07,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5896 states, 4195 states have (on average 1.3129916567342075) internal successors, (5508), 4249 states have internal predecessors, (5508), 1365 states have call successors, (1365), 321 states have call predecessors, (1365), 333 states have return successors, (1449), 1361 states have call predecessors, (1449), 1362 states have call successors, (1449) [2021-12-18 12:45:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5896 states to 5896 states and 8322 transitions. [2021-12-18 12:45:07,491 INFO L78 Accepts]: Start accepts. Automaton has 5896 states and 8322 transitions. Word has length 135 [2021-12-18 12:45:07,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:45:07,492 INFO L470 AbstractCegarLoop]: Abstraction has 5896 states and 8322 transitions. [2021-12-18 12:45:07,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (17), 5 states have call predecessors, (17), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-18 12:45:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 5896 states and 8322 transitions. [2021-12-18 12:45:07,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-18 12:45:07,494 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:45:07,494 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:45:07,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 12:45:07,495 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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)] === [2021-12-18 12:45:07,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:45:07,495 INFO L85 PathProgramCache]: Analyzing trace with hash 528965406, now seen corresponding path program 1 times [2021-12-18 12:45:07,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:45:07,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369059243] [2021-12-18 12:45:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:45:07,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:45:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:45:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:45:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-18 12:45:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:45:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 12:45:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 12:45:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-18 12:45:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 12:45:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 12:45:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 12:45:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:45:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 12:45:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 12:45:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-18 12:45:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 12:45:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 12:45:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 12:45:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 12:45:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 12:45:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 12:45:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 12:45:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-12-18 12:45:08,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:45:08,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369059243] [2021-12-18 12:45:08,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369059243] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:45:08,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:45:08,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 12:45:08,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62062661] [2021-12-18 12:45:08,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:45:08,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:45:08,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:45:08,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:45:08,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 12:45:08,235 INFO L87 Difference]: Start difference. First operand 5896 states and 8322 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:45:08,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:45:08,721 INFO L93 Difference]: Finished difference Result 5896 states and 8322 transitions. [2021-12-18 12:45:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 12:45:08,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 136 [2021-12-18 12:45:08,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:45:08,741 INFO L225 Difference]: With dead ends: 5896 [2021-12-18 12:45:08,741 INFO L226 Difference]: Without dead ends: 5119 [2021-12-18 12:45:08,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:45:08,748 INFO L933 BasicCegarLoop]: 4941 mSDtfsCounter, 4893 mSDsluCounter, 9863 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4893 SdHoareTripleChecker+Valid, 14804 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:45:08,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4893 Valid, 14804 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:45:08,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5119 states. [2021-12-18 12:45:09,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5119 to 5119. [2021-12-18 12:45:09,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5119 states, 3633 states have (on average 1.3132397467657584) internal successors, (4771), 3677 states have internal predecessors, (4771), 1181 states have call successors, (1181), 289 states have call predecessors, (1181), 303 states have return successors, (1268), 1182 states have call predecessors, (1268), 1181 states have call successors, (1268) [2021-12-18 12:45:09,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 7220 transitions. [2021-12-18 12:45:09,102 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 7220 transitions. Word has length 136 [2021-12-18 12:45:09,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:45:09,102 INFO L470 AbstractCegarLoop]: Abstraction has 5119 states and 7220 transitions. [2021-12-18 12:45:09,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:45:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 7220 transitions. [2021-12-18 12:45:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-12-18 12:45:09,105 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:45:09,105 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:45:09,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 12:45:09,105 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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)] === [2021-12-18 12:45:09,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:45:09,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1867267886, now seen corresponding path program 1 times [2021-12-18 12:45:09,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:45:09,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167209514] [2021-12-18 12:45:09,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:45:09,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:45:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:09,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:45:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:09,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:45:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:09,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:45:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:09,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:45:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:09,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:45:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:09,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:45:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:09,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:45:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:09,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:45:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:09,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:45:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:09,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:45:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:09,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:45:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:10,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:45:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:10,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:45:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:10,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:45:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:10,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:45:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 12:45:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:10,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:45:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:10,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 12:45:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 12:45:10,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 12:45:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:10,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 12:45:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:45:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-12-18 12:45:10,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:45:10,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167209514] [2021-12-18 12:45:10,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167209514] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:45:10,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:45:10,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:45:10,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247374812] [2021-12-18 12:45:10,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:45:10,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:45:10,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:45:10,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:45:10,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:45:10,201 INFO L87 Difference]: Start difference. First operand 5119 states and 7220 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 12:45:13,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:45:15,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:45:18,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:45:29,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:45:34,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:45:51,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:45:57,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:00,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:02,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:04,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:08,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:12,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:16,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:19,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:21,854 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:24,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:28,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:31,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:34,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:36,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:38,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:41,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:43,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:46,279 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:46:55,793 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:47:02,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:47:02,020 INFO L93 Difference]: Finished difference Result 5618 states and 8004 transitions. [2021-12-18 12:47:02,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 12:47:02,021 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 147 [2021-12-18 12:47:02,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:47:02,040 INFO L225 Difference]: With dead ends: 5618 [2021-12-18 12:47:02,040 INFO L226 Difference]: Without dead ends: 5616 [2021-12-18 12:47:02,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-18 12:47:02,042 INFO L933 BasicCegarLoop]: 4809 mSDtfsCounter, 4899 mSDsluCounter, 14202 mSDsCounter, 0 mSdLazyCounter, 6962 mSolverCounterSat, 1758 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5479 SdHoareTripleChecker+Valid, 19011 SdHoareTripleChecker+Invalid, 8744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1758 IncrementalHoareTripleChecker+Valid, 6962 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 110.4s IncrementalHoareTripleChecker+Time [2021-12-18 12:47:02,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5479 Valid, 19011 Invalid, 8744 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1758 Valid, 6962 Invalid, 24 Unknown, 0 Unchecked, 110.4s Time] [2021-12-18 12:47:02,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5616 states. [2021-12-18 12:47:02,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5616 to 5245. [2021-12-18 12:47:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5245 states, 3725 states have (on average 1.312214765100671) internal successors, (4888), 3770 states have internal predecessors, (4888), 1201 states have call successors, (1201), 305 states have call predecessors, (1201), 317 states have return successors, (1288), 1199 states have call predecessors, (1288), 1201 states have call successors, (1288) [2021-12-18 12:47:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5245 states to 5245 states and 7377 transitions. [2021-12-18 12:47:02,247 INFO L78 Accepts]: Start accepts. Automaton has 5245 states and 7377 transitions. Word has length 147 [2021-12-18 12:47:02,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:47:02,248 INFO L470 AbstractCegarLoop]: Abstraction has 5245 states and 7377 transitions. [2021-12-18 12:47:02,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-18 12:47:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 5245 states and 7377 transitions. [2021-12-18 12:47:02,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-18 12:47:02,250 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:47:02,251 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:47:02,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 12:47:02,251 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2021-12-18 12:47:02,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:47:02,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1138155487, now seen corresponding path program 1 times [2021-12-18 12:47:02,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:47:02,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407832571] [2021-12-18 12:47:02,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:47:02,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:47:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:47:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:47:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:47:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:47:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:47:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:47:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:47:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:47:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:47:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:47:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:47:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:47:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:47:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:47:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:47:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 12:47:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:47:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 12:47:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 12:47:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 12:47:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:47:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:47:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 12:47:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:47:03,510 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-18 12:47:03,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:47:03,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407832571] [2021-12-18 12:47:03,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407832571] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:47:03,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:47:03,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 12:47:03,511 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515955949] [2021-12-18 12:47:03,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:47:03,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 12:47:03,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:47:03,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 12:47:03,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:47:03,512 INFO L87 Difference]: Start difference. First operand 5245 states and 7377 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-18 12:47:07,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:47:09,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:47:12,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:47:47,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:47:55,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:47:57,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:47:59,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:01,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:05,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:08,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:11,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:14,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:17,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:20,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:24,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:27,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:29,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:32,246 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:38,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:48:38,014 INFO L93 Difference]: Finished difference Result 5571 states and 7923 transitions. [2021-12-18 12:48:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-18 12:48:38,015 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) Word has length 159 [2021-12-18 12:48:38,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:48:38,037 INFO L225 Difference]: With dead ends: 5571 [2021-12-18 12:48:38,037 INFO L226 Difference]: Without dead ends: 5569 [2021-12-18 12:48:38,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-12-18 12:48:38,040 INFO L933 BasicCegarLoop]: 4033 mSDtfsCounter, 3458 mSDsluCounter, 11820 mSDsCounter, 0 mSdLazyCounter, 6924 mSolverCounterSat, 3065 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3649 SdHoareTripleChecker+Valid, 15853 SdHoareTripleChecker+Invalid, 10007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3065 IncrementalHoareTripleChecker+Valid, 6924 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 93.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:48:38,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3649 Valid, 15853 Invalid, 10007 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3065 Valid, 6924 Invalid, 18 Unknown, 0 Unchecked, 93.1s Time] [2021-12-18 12:48:38,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5569 states. [2021-12-18 12:48:38,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5569 to 5243. [2021-12-18 12:48:38,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5243 states, 3724 states have (on average 1.3120300751879699) internal successors, (4886), 3768 states have internal predecessors, (4886), 1201 states have call successors, (1201), 305 states have call predecessors, (1201), 317 states have return successors, (1288), 1199 states have call predecessors, (1288), 1201 states have call successors, (1288) [2021-12-18 12:48:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 5243 states and 7375 transitions. [2021-12-18 12:48:38,256 INFO L78 Accepts]: Start accepts. Automaton has 5243 states and 7375 transitions. Word has length 159 [2021-12-18 12:48:38,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:48:38,257 INFO L470 AbstractCegarLoop]: Abstraction has 5243 states and 7375 transitions. [2021-12-18 12:48:38,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 4 states have internal predecessors, (71), 3 states have call successors, (22), 6 states have call predecessors, (22), 2 states have return successors, (17), 2 states have call predecessors, (17), 3 states have call successors, (17) [2021-12-18 12:48:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 5243 states and 7375 transitions. [2021-12-18 12:48:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2021-12-18 12:48:38,269 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:48:38,270 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:48:38,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 12:48:38,270 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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)] === [2021-12-18 12:48:38,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:48:38,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1476281322, now seen corresponding path program 1 times [2021-12-18 12:48:38,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:48:38,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145390093] [2021-12-18 12:48:38,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:48:38,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:48:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:48:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:48:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:48:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:48:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:48:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:48:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:48:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:48:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:48:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:38,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:48:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:48:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:48:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 12:48:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:48:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 12:48:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 12:48:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 12:48:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-18 12:48:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 12:48:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 12:48:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 12:48:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 12:48:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 12:48:39,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 12:48:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 12:48:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 12:48:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 12:48:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 12:48:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 12:48:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 12:48:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 12:48:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 12:48:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:48:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:48:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 12:48:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 12:48:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 12:48:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 12:48:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:48:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:48:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 12:48:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 12:48:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 12:48:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:48:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-18 12:48:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:48:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:48:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 12:48:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-12-18 12:48:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 12:48:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-12-18 12:48:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2021-12-18 12:48:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-18 12:48:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:48:39,800 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2021-12-18 12:48:39,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:48:39,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145390093] [2021-12-18 12:48:39,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145390093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:48:39,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:48:39,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 12:48:39,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309887833] [2021-12-18 12:48:39,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:48:39,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 12:48:39,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:48:39,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 12:48:39,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:48:39,807 INFO L87 Difference]: Start difference. First operand 5243 states and 7375 transitions. Second operand has 8 states, 8 states have (on average 26.625) internal successors, (213), 4 states have internal predecessors, (213), 3 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (56), 2 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-18 12:48:43,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:45,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:48,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:48:50,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:06,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:30,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:33,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:35,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:37,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:41,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:44,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:46,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:49,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:52,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:55,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:49:58,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:01,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:04,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:06,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:08,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:11,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:13,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:16,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:19,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:21,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:26,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:50:26,367 INFO L93 Difference]: Finished difference Result 10865 states and 15435 transitions. [2021-12-18 12:50:26,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 12:50:26,368 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.625) internal successors, (213), 4 states have internal predecessors, (213), 3 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (56), 2 states have call predecessors, (56), 3 states have call successors, (56) Word has length 499 [2021-12-18 12:50:26,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:50:26,393 INFO L225 Difference]: With dead ends: 10865 [2021-12-18 12:50:26,393 INFO L226 Difference]: Without dead ends: 5640 [2021-12-18 12:50:26,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-12-18 12:50:26,417 INFO L933 BasicCegarLoop]: 3964 mSDtfsCounter, 3754 mSDsluCounter, 11075 mSDsCounter, 0 mSdLazyCounter, 5965 mSolverCounterSat, 3944 mSolverCounterUnsat, 25 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3832 SdHoareTripleChecker+Valid, 15039 SdHoareTripleChecker+Invalid, 9934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3944 IncrementalHoareTripleChecker+Valid, 5965 IncrementalHoareTripleChecker+Invalid, 25 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 105.4s IncrementalHoareTripleChecker+Time [2021-12-18 12:50:26,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3832 Valid, 15039 Invalid, 9934 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3944 Valid, 5965 Invalid, 25 Unknown, 0 Unchecked, 105.4s Time] [2021-12-18 12:50:26,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5640 states. [2021-12-18 12:50:26,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5640 to 5245. [2021-12-18 12:50:26,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5245 states, 3726 states have (on average 1.3118625872249061) internal successors, (4888), 3770 states have internal predecessors, (4888), 1201 states have call successors, (1201), 305 states have call predecessors, (1201), 317 states have return successors, (1288), 1199 states have call predecessors, (1288), 1201 states have call successors, (1288) [2021-12-18 12:50:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5245 states to 5245 states and 7377 transitions. [2021-12-18 12:50:26,803 INFO L78 Accepts]: Start accepts. Automaton has 5245 states and 7377 transitions. Word has length 499 [2021-12-18 12:50:26,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:50:26,803 INFO L470 AbstractCegarLoop]: Abstraction has 5245 states and 7377 transitions. [2021-12-18 12:50:26,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.625) internal successors, (213), 4 states have internal predecessors, (213), 3 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (56), 2 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-18 12:50:26,804 INFO L276 IsEmpty]: Start isEmpty. Operand 5245 states and 7377 transitions. [2021-12-18 12:50:26,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2021-12-18 12:50:26,816 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:50:26,816 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:50:26,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 12:50:26,817 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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)] === [2021-12-18 12:50:26,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:50:26,817 INFO L85 PathProgramCache]: Analyzing trace with hash -2004257296, now seen corresponding path program 1 times [2021-12-18 12:50:26,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:50:26,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906258298] [2021-12-18 12:50:26,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:50:26,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:50:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:50:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:50:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:50:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:50:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:50:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:50:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:50:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:50:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:50:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:50:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:50:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:50:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 12:50:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:50:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 12:50:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 12:50:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 12:50:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-18 12:50:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 12:50:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 12:50:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 12:50:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 12:50:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 12:50:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 12:50:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 12:50:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 12:50:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 12:50:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 12:50:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 12:50:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 12:50:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 12:50:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 12:50:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:50:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:50:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 12:50:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 12:50:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 12:50:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 12:50:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:50:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:50:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 12:50:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 12:50:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 12:50:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:50:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-18 12:50:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:27,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:50:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 12:50:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 12:50:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:50:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-12-18 12:50:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:50:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:50:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-12-18 12:50:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 12:50:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-12-18 12:50:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 12:50:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-12-18 12:50:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:50:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2021-12-18 12:50:28,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:50:28,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906258298] [2021-12-18 12:50:28,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906258298] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:50:28,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:50:28,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 12:50:28,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707484502] [2021-12-18 12:50:28,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:50:28,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 12:50:28,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:50:28,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 12:50:28,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:50:28,274 INFO L87 Difference]: Start difference. First operand 5245 states and 7377 transitions. Second operand has 8 states, 8 states have (on average 27.5) internal successors, (220), 4 states have internal predecessors, (220), 3 states have call successors, (64), 6 states have call predecessors, (64), 1 states have return successors, (58), 2 states have call predecessors, (58), 3 states have call successors, (58) [2021-12-18 12:50:31,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:34,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:36,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:50:52,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:10,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:19,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:22,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:24,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:26,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:30,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:32,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:35,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:38,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:41,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:44,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:47,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:50,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:53,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:55,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:51:57,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:52:00,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:52:03,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:52:07,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:52:07,431 INFO L93 Difference]: Finished difference Result 10869 states and 15439 transitions. [2021-12-18 12:52:07,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 12:52:07,432 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.5) internal successors, (220), 4 states have internal predecessors, (220), 3 states have call successors, (64), 6 states have call predecessors, (64), 1 states have return successors, (58), 2 states have call predecessors, (58), 3 states have call successors, (58) Word has length 578 [2021-12-18 12:52:07,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:52:07,453 INFO L225 Difference]: With dead ends: 10869 [2021-12-18 12:52:07,453 INFO L226 Difference]: Without dead ends: 5642 [2021-12-18 12:52:07,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-12-18 12:52:07,475 INFO L933 BasicCegarLoop]: 3964 mSDtfsCounter, 3095 mSDsluCounter, 11129 mSDsCounter, 0 mSdLazyCounter, 6092 mSolverCounterSat, 3042 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3173 SdHoareTripleChecker+Valid, 15093 SdHoareTripleChecker+Invalid, 9156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3042 IncrementalHoareTripleChecker+Valid, 6092 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.0s IncrementalHoareTripleChecker+Time [2021-12-18 12:52:07,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3173 Valid, 15093 Invalid, 9156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3042 Valid, 6092 Invalid, 22 Unknown, 0 Unchecked, 98.0s Time] [2021-12-18 12:52:07,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5642 states. [2021-12-18 12:52:07,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5642 to 5247. [2021-12-18 12:52:07,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5247 states, 3728 states have (on average 1.3116952789699572) internal successors, (4890), 3772 states have internal predecessors, (4890), 1201 states have call successors, (1201), 305 states have call predecessors, (1201), 317 states have return successors, (1288), 1199 states have call predecessors, (1288), 1201 states have call successors, (1288) [2021-12-18 12:52:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5247 states to 5247 states and 7379 transitions. [2021-12-18 12:52:07,689 INFO L78 Accepts]: Start accepts. Automaton has 5247 states and 7379 transitions. Word has length 578 [2021-12-18 12:52:07,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:52:07,689 INFO L470 AbstractCegarLoop]: Abstraction has 5247 states and 7379 transitions. [2021-12-18 12:52:07,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.5) internal successors, (220), 4 states have internal predecessors, (220), 3 states have call successors, (64), 6 states have call predecessors, (64), 1 states have return successors, (58), 2 states have call predecessors, (58), 3 states have call successors, (58) [2021-12-18 12:52:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 5247 states and 7379 transitions. [2021-12-18 12:52:07,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2021-12-18 12:52:07,705 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:52:07,706 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:52:07,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 12:52:07,706 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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)] === [2021-12-18 12:52:07,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:52:07,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1563781166, now seen corresponding path program 1 times [2021-12-18 12:52:07,707 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:52:07,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415970712] [2021-12-18 12:52:07,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:52:07,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:52:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:52:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:52:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:52:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:52:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:52:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:52:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:52:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:52:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:52:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:52:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:52:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 12:52:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:52:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 12:52:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 12:52:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 12:52:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-18 12:52:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 12:52:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 12:52:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 12:52:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 12:52:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 12:52:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 12:52:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-18 12:52:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 12:52:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 12:52:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 12:52:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 12:52:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 12:52:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 12:52:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 12:52:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:52:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:52:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 12:52:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 12:52:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 12:52:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 12:52:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:52:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:52:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 12:52:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-12-18 12:52:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 12:52:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-18 12:52:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 12:52:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 12:52:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-12-18 12:52:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 12:52:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-12-18 12:52:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2021-12-18 12:52:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 12:52:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2021-12-18 12:52:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2021-12-18 12:52:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2021-12-18 12:52:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:09,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1484 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2021-12-18 12:52:09,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:52:09,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415970712] [2021-12-18 12:52:09,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415970712] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 12:52:09,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369256172] [2021-12-18 12:52:09,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:52:09,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:52:09,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:52:09,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 12:52:09,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 12:52:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:13,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 17246 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 12:52:13,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 12:52:15,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1484 backedges. 577 proven. 0 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2021-12-18 12:52:15,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 12:52:15,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369256172] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:52:15,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 12:52:15,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2021-12-18 12:52:15,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510554188] [2021-12-18 12:52:15,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:52:15,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:52:15,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:52:15,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:52:15,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-18 12:52:15,602 INFO L87 Difference]: Start difference. First operand 5247 states and 7379 transitions. Second operand has 5 states, 5 states have (on average 48.2) internal successors, (241), 4 states have internal predecessors, (241), 2 states have call successors, (73), 2 states have call predecessors, (73), 3 states have return successors, (67), 3 states have call predecessors, (67), 2 states have call successors, (67) [2021-12-18 12:52:15,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:52:15,879 INFO L93 Difference]: Finished difference Result 10493 states and 14790 transitions. [2021-12-18 12:52:15,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 12:52:15,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 48.2) internal successors, (241), 4 states have internal predecessors, (241), 2 states have call successors, (73), 2 states have call predecessors, (73), 3 states have return successors, (67), 3 states have call predecessors, (67), 2 states have call successors, (67) Word has length 650 [2021-12-18 12:52:15,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:52:15,900 INFO L225 Difference]: With dead ends: 10493 [2021-12-18 12:52:15,901 INFO L226 Difference]: Without dead ends: 5264 [2021-12-18 12:52:15,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 869 GetRequests, 859 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-18 12:52:15,918 INFO L933 BasicCegarLoop]: 4387 mSDtfsCounter, 12 mSDsluCounter, 13148 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 17535 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:52:15,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 17535 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 12:52:15,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5264 states. [2021-12-18 12:52:16,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5264 to 5251. [2021-12-18 12:52:16,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5251 states, 3731 states have (on average 1.3114446529080674) internal successors, (4893), 3775 states have internal predecessors, (4893), 1201 states have call successors, (1201), 305 states have call predecessors, (1201), 318 states have return successors, (1294), 1200 states have call predecessors, (1294), 1201 states have call successors, (1294) [2021-12-18 12:52:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 5251 states and 7388 transitions. [2021-12-18 12:52:16,211 INFO L78 Accepts]: Start accepts. Automaton has 5251 states and 7388 transitions. Word has length 650 [2021-12-18 12:52:16,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:52:16,212 INFO L470 AbstractCegarLoop]: Abstraction has 5251 states and 7388 transitions. [2021-12-18 12:52:16,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 48.2) internal successors, (241), 4 states have internal predecessors, (241), 2 states have call successors, (73), 2 states have call predecessors, (73), 3 states have return successors, (67), 3 states have call predecessors, (67), 2 states have call successors, (67) [2021-12-18 12:52:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 5251 states and 7388 transitions. [2021-12-18 12:52:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 730 [2021-12-18 12:52:16,228 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:52:16,229 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:52:16,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 12:52:16,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-12-18 12:52:16,455 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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)] === [2021-12-18 12:52:16,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:52:16,457 INFO L85 PathProgramCache]: Analyzing trace with hash -585486141, now seen corresponding path program 1 times [2021-12-18 12:52:16,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:52:16,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047245136] [2021-12-18 12:52:16,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:52:16,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:52:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:52:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:52:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:52:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:52:17,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 12:52:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:52:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:52:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-18 12:52:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:52:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:52:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 12:52:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-18 12:52:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-18 12:52:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 12:52:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-18 12:52:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 12:52:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-18 12:52:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 12:52:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 12:52:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 12:52:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-18 12:52:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 12:52:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 12:52:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 12:52:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 12:52:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 12:52:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 12:52:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 12:52:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 12:52:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-18 12:52:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 12:52:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:52:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:52:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 12:52:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 12:52:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 12:52:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-18 12:52:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:52:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:52:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-18 12:52:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 12:52:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 12:52:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 12:52:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 12:52:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:52:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-18 12:52:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-12-18 12:52:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-18 12:52:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-12-18 12:52:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2021-12-18 12:52:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-18 12:52:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:52:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 685 [2021-12-18 12:52:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 12:52:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 697 [2021-12-18 12:52:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2021-12-18 12:52:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2021-12-18 12:52:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2245 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2242 trivial. 0 not checked. [2021-12-18 12:52:18,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:52:18,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047245136] [2021-12-18 12:52:18,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047245136] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 12:52:18,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852284917] [2021-12-18 12:52:18,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:52:18,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 12:52:18,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 12:52:18,370 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 12:52:18,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 12:52:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:52:21,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 17745 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-18 12:52:21,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 12:52:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2245 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2236 trivial. 0 not checked. [2021-12-18 12:52:27,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 12:52:27,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852284917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:52:27,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 12:52:27,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2021-12-18 12:52:27,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954073024] [2021-12-18 12:52:27,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:52:27,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 12:52:27,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:52:27,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 12:52:27,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-18 12:52:27,298 INFO L87 Difference]: Start difference. First operand 5251 states and 7388 transitions. Second operand has 5 states, 5 states have (on average 46.0) internal successors, (230), 4 states have internal predecessors, (230), 2 states have call successors, (71), 3 states have call predecessors, (71), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-12-18 12:52:27,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:52:27,808 INFO L93 Difference]: Finished difference Result 5251 states and 7388 transitions. [2021-12-18 12:52:27,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 12:52:27,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.0) internal successors, (230), 4 states have internal predecessors, (230), 2 states have call successors, (71), 3 states have call predecessors, (71), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 729 [2021-12-18 12:52:27,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:52:27,812 INFO L225 Difference]: With dead ends: 5251 [2021-12-18 12:52:27,812 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 12:52:27,826 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 978 GetRequests, 966 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-18 12:52:27,828 INFO L933 BasicCegarLoop]: 4448 mSDtfsCounter, 3838 mSDsluCounter, 9427 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3839 SdHoareTripleChecker+Valid, 13875 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 12:52:27,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3839 Valid, 13875 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 12:52:27,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 12:52:27,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 12:52:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 12:52:27,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 12:52:27,830 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 729 [2021-12-18 12:52:27,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:52:27,831 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 12:52:27,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.0) internal successors, (230), 4 states have internal predecessors, (230), 2 states have call successors, (71), 3 states have call predecessors, (71), 2 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-12-18 12:52:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 12:52:27,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 12:52:27,842 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-12-18 12:52:27,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-12-18 12:52:27,843 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-12-18 12:52:27,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 12:52:28,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-12-18 12:52:28,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. Killed by 15