./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.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 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:54:34,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:54:34,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:54:34,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:54:34,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:54:34,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:54:34,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:54:34,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:54:34,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:54:34,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:54:34,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:54:34,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:54:34,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:54:34,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:54:34,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:54:34,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:54:34,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:54:34,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:54:34,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:54:34,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:54:34,839 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:54:34,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:54:34,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:54:34,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:54:34,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:54:34,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:54:34,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:54:34,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:54:34,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:54:34,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:54:34,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:54:34,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:54:34,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:54:34,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:54:34,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:54:34,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:54:34,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:54:34,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:54:34,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:54:34,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:54:34,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:54:34,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:54:34,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:54:34,889 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:54:34,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:54:34,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:54:34,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:54:34,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:54:34,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:54:34,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:54:34,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:54:34,892 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:54:34,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:54:34,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:54:34,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:54:34,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:54:34,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:54:34,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:54:34,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:54:34,893 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:54:34,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:54:34,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:54:34,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:54:34,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:54:34,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:54:34,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:54:34,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:54:34,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:54:34,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:54:34,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:54:34,896 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:54:34,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:54:34,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:54:34,897 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 [2022-07-14 02:54:35,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:54:35,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:54:35,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:54:35,153 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:54:35,154 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:54:35,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-07-14 02:54:35,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbc7457e4/a5ea78d9a7864ffe85f404abd2e49ddf/FLAG66fc86a90 [2022-07-14 02:54:35,975 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:54:35,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-07-14 02:54:36,027 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbc7457e4/a5ea78d9a7864ffe85f404abd2e49ddf/FLAG66fc86a90 [2022-07-14 02:54:36,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbc7457e4/a5ea78d9a7864ffe85f404abd2e49ddf [2022-07-14 02:54:36,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:54:36,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:54:36,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:54:36,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:54:36,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:54:36,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:54:36" (1/1) ... [2022-07-14 02:54:36,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0de0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:36, skipping insertion in model container [2022-07-14 02:54:36,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:54:36" (1/1) ... [2022-07-14 02:54:36,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:54:36,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:54:39,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2022-07-14 02:54:39,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2022-07-14 02:54:39,203 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2022-07-14 02:54:39,204 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2022-07-14 02:54:39,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:54:39,302 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:54:39,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2022-07-14 02:54:39,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334820,334833] [2022-07-14 02:54:39,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334987,335000] [2022-07-14 02:54:39,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[335155,335168] [2022-07-14 02:54:39,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:54:39,818 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:54:39,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39 WrapperNode [2022-07-14 02:54:39,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:54:39,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:54:39,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:54:39,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:54:39,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39" (1/1) ... [2022-07-14 02:54:39,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39" (1/1) ... [2022-07-14 02:54:40,142 INFO L137 Inliner]: procedures = 455, calls = 1830, calls flagged for inlining = 226, calls inlined = 204, statements flattened = 4782 [2022-07-14 02:54:40,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:54:40,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:54:40,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:54:40,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:54:40,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39" (1/1) ... [2022-07-14 02:54:40,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39" (1/1) ... [2022-07-14 02:54:40,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39" (1/1) ... [2022-07-14 02:54:40,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39" (1/1) ... [2022-07-14 02:54:40,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39" (1/1) ... [2022-07-14 02:54:40,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39" (1/1) ... [2022-07-14 02:54:40,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39" (1/1) ... [2022-07-14 02:54:40,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:54:40,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:54:40,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:54:40,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:54:40,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39" (1/1) ... [2022-07-14 02:54:40,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:54:40,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:54:40,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 02:54:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 02:54:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 02:54:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2022-07-14 02:54:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2022-07-14 02:54:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:54:40,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 02:54:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:54:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 02:54:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 02:54:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 02:54:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 02:54:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:54:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:54:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 02:54:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 02:54:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 02:54:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 02:54:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-14 02:54:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-14 02:54:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 02:54:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 02:54:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 02:54:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 02:54:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-07-14 02:54:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-07-14 02:54:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 02:54:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 02:54:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 02:54:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 02:54:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 02:54:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 02:54:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:54:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:54:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:54:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:54:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-14 02:54:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-14 02:54:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 02:54:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 02:54:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:54:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 02:54:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 02:54:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-14 02:54:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-14 02:54:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2022-07-14 02:54:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2022-07-14 02:54:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:54:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:54:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2022-07-14 02:54:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2022-07-14 02:54:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 02:54:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2022-07-14 02:54:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2022-07-14 02:54:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 02:54:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 02:54:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2022-07-14 02:54:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2022-07-14 02:54:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 02:54:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2022-07-14 02:54:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2022-07-14 02:54:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 02:54:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 02:54:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 02:54:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 02:54:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 02:54:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 02:54:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 02:54:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 02:54:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 02:54:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 02:54:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 02:54:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 02:54:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 02:54:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:54:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:54:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2022-07-14 02:54:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2022-07-14 02:54:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 02:54:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 02:54:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:54:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 02:54:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 02:54:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 02:54:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 02:54:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2022-07-14 02:54:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2022-07-14 02:54:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 02:54:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 02:54:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:54:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 02:54:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 02:54:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:54:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:54:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:54:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:54:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:54:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 02:54:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 02:54:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2022-07-14 02:54:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2022-07-14 02:54:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 02:54:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 02:54:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-14 02:54:40,550 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-14 02:54:40,550 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 02:54:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 02:54:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2022-07-14 02:54:40,551 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2022-07-14 02:54:40,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 02:54:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 02:54:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 02:54:40,552 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 02:54:40,552 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 02:54:40,553 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 02:54:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-14 02:54:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-14 02:54:40,555 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-14 02:54:40,555 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-14 02:54:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-14 02:54:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-14 02:54:40,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:54:40,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:54:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2022-07-14 02:54:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2022-07-14 02:54:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:54:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:54:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:54:40,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:54:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 02:54:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 02:54:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 02:54:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 02:54:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2022-07-14 02:54:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2022-07-14 02:54:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2022-07-14 02:54:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2022-07-14 02:54:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 02:54:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 02:54:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2022-07-14 02:54:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2022-07-14 02:54:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 02:54:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 02:54:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2022-07-14 02:54:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2022-07-14 02:54:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 02:54:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 02:54:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 02:54:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 02:54:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 02:54:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 02:54:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 02:54:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 02:54:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:54:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-14 02:54:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-14 02:54:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 02:54:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 02:54:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:54:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2022-07-14 02:54:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2022-07-14 02:54:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-14 02:54:40,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-14 02:54:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2022-07-14 02:54:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2022-07-14 02:54:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:54:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2022-07-14 02:54:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2022-07-14 02:54:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 02:54:40,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 02:54:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 02:54:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 02:54:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 02:54:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 02:54:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_66 [2022-07-14 02:54:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_66 [2022-07-14 02:54:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2022-07-14 02:54:40,568 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2022-07-14 02:54:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 02:54:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 02:54:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 02:54:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 02:54:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:54:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:54:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 02:54:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 02:54:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 02:54:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 02:54:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 02:54:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:54:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:54:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2022-07-14 02:54:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2022-07-14 02:54:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 02:54:40,570 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 02:54:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_68 [2022-07-14 02:54:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_68 [2022-07-14 02:54:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2022-07-14 02:54:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2022-07-14 02:54:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2022-07-14 02:54:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2022-07-14 02:54:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 02:54:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 02:54:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 02:54:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 02:54:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2022-07-14 02:54:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2022-07-14 02:54:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 02:54:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 02:54:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 02:54:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2022-07-14 02:54:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2022-07-14 02:54:40,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 02:54:40,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 02:54:41,366 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:54:41,369 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:54:41,816 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:54:43,434 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 02:54:43,550 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:54:43,570 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:54:43,571 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 02:54:43,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:54:43 BoogieIcfgContainer [2022-07-14 02:54:43,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:54:43,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:54:43,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:54:43,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:54:43,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:54:36" (1/3) ... [2022-07-14 02:54:43,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493682b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:54:43, skipping insertion in model container [2022-07-14 02:54:43,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:54:39" (2/3) ... [2022-07-14 02:54:43,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493682b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:54:43, skipping insertion in model container [2022-07-14 02:54:43,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:54:43" (3/3) ... [2022-07-14 02:54:43,582 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2022-07-14 02:54:43,599 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:54:43,599 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 02:54:43,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:54:43,721 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@192f7b22, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4aa3e260 [2022-07-14 02:54:43,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 02:54:43,731 INFO L276 IsEmpty]: Start isEmpty. Operand has 1866 states, 1247 states have (on average 1.281475541299118) internal successors, (1598), 1280 states have internal predecessors, (1598), 519 states have call successors, (519), 98 states have call predecessors, (519), 97 states have return successors, (514), 505 states have call predecessors, (514), 514 states have call successors, (514) [2022-07-14 02:54:43,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-14 02:54:43,742 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:54:43,743 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:54:43,744 INFO L420 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)] === [2022-07-14 02:54:43,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:54:43,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1235643051, now seen corresponding path program 1 times [2022-07-14 02:54:43,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:54:43,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992089023] [2022-07-14 02:54:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:54:43,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:54:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:54:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:54:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:54:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:54:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:54:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:54:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:54:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:54:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:54:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:54:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:54:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:54:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-14 02:54:44,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:54:44,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992089023] [2022-07-14 02:54:44,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992089023] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:54:44,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:54:44,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:54:44,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058719817] [2022-07-14 02:54:44,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:54:44,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:54:44,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:54:44,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:54:44,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:54:44,442 INFO L87 Difference]: Start difference. First operand has 1866 states, 1247 states have (on average 1.281475541299118) internal successors, (1598), 1280 states have internal predecessors, (1598), 519 states have call successors, (519), 98 states have call predecessors, (519), 97 states have return successors, (514), 505 states have call predecessors, (514), 514 states have call successors, (514) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-14 02:54:48,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:54:48,584 INFO L93 Difference]: Finished difference Result 5608 states and 8117 transitions. [2022-07-14 02:54:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:54:48,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 134 [2022-07-14 02:54:48,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:54:48,641 INFO L225 Difference]: With dead ends: 5608 [2022-07-14 02:54:48,645 INFO L226 Difference]: Without dead ends: 3757 [2022-07-14 02:54:48,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:54:48,679 INFO L413 NwaCegarLoop]: 2610 mSDtfsCounter, 3520 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 1753 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4011 SdHoareTripleChecker+Valid, 4495 SdHoareTripleChecker+Invalid, 4239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1753 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:54:48,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4011 Valid, 4495 Invalid, 4239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1753 Valid, 2486 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-14 02:54:48,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-07-14 02:54:48,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3619. [2022-07-14 02:54:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3619 states, 2432 states have (on average 1.2425986842105263) internal successors, (3022), 2496 states have internal predecessors, (3022), 993 states have call successors, (993), 192 states have call predecessors, (993), 191 states have return successors, (990), 972 states have call predecessors, (990), 990 states have call successors, (990) [2022-07-14 02:54:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3619 states and 5005 transitions. [2022-07-14 02:54:48,973 INFO L78 Accepts]: Start accepts. Automaton has 3619 states and 5005 transitions. Word has length 134 [2022-07-14 02:54:48,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:54:48,974 INFO L495 AbstractCegarLoop]: Abstraction has 3619 states and 5005 transitions. [2022-07-14 02:54:48,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-14 02:54:48,974 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 5005 transitions. [2022-07-14 02:54:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-14 02:54:48,982 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:54:48,983 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:54:48,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 02:54:48,983 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:54:48,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:54:48,984 INFO L85 PathProgramCache]: Analyzing trace with hash 831945200, now seen corresponding path program 1 times [2022-07-14 02:54:48,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:54:48,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642500831] [2022-07-14 02:54:48,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:54:48,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:54:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:54:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:54:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:54:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:54:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:54:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:54:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:54:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:54:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:54:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:54:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:54:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:54:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:54:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:54:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-14 02:54:49,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:54:49,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642500831] [2022-07-14 02:54:49,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642500831] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:54:49,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:54:49,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:54:49,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034947805] [2022-07-14 02:54:49,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:54:49,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:54:49,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:54:49,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:54:49,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:54:49,325 INFO L87 Difference]: Start difference. First operand 3619 states and 5005 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-14 02:54:53,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:54:53,123 INFO L93 Difference]: Finished difference Result 10963 states and 15239 transitions. [2022-07-14 02:54:53,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:54:53,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 148 [2022-07-14 02:54:53,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:54:53,169 INFO L225 Difference]: With dead ends: 10963 [2022-07-14 02:54:53,169 INFO L226 Difference]: Without dead ends: 7369 [2022-07-14 02:54:53,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:54:53,193 INFO L413 NwaCegarLoop]: 2672 mSDtfsCounter, 3484 mSDsluCounter, 1926 mSDsCounter, 0 mSdLazyCounter, 2447 mSolverCounterSat, 1759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3960 SdHoareTripleChecker+Valid, 4598 SdHoareTripleChecker+Invalid, 4206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1759 IncrementalHoareTripleChecker+Valid, 2447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:54:53,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3960 Valid, 4598 Invalid, 4206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1759 Valid, 2447 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-14 02:54:53,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7369 states. [2022-07-14 02:54:53,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7369 to 7170. [2022-07-14 02:54:53,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7170 states, 4828 states have (on average 1.2442004971002485) internal successors, (6007), 4968 states have internal predecessors, (6007), 1948 states have call successors, (1948), 382 states have call predecessors, (1948), 391 states have return successors, (1995), 1901 states have call predecessors, (1995), 1945 states have call successors, (1995) [2022-07-14 02:54:53,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7170 states to 7170 states and 9950 transitions. [2022-07-14 02:54:53,524 INFO L78 Accepts]: Start accepts. Automaton has 7170 states and 9950 transitions. Word has length 148 [2022-07-14 02:54:53,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:54:53,525 INFO L495 AbstractCegarLoop]: Abstraction has 7170 states and 9950 transitions. [2022-07-14 02:54:53,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-14 02:54:53,525 INFO L276 IsEmpty]: Start isEmpty. Operand 7170 states and 9950 transitions. [2022-07-14 02:54:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-07-14 02:54:53,530 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:54:53,531 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:54:53,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 02:54:53,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:54:53,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:54:53,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1210169816, now seen corresponding path program 1 times [2022-07-14 02:54:53,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:54:53,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408499075] [2022-07-14 02:54:53,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:54:53,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:54:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:54:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:54:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:54:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:54:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:54:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:54:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:54:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:54:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:54:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:54:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:54:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:54:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-14 02:54:53,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:54:53,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408499075] [2022-07-14 02:54:53,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408499075] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:54:53,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:54:53,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:54:53,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207342129] [2022-07-14 02:54:53,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:54:53,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:54:53,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:54:53,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:54:53,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:54:53,910 INFO L87 Difference]: Start difference. First operand 7170 states and 9950 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-14 02:54:57,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:54:57,781 INFO L93 Difference]: Finished difference Result 20500 states and 28460 transitions. [2022-07-14 02:54:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:54:57,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 146 [2022-07-14 02:54:57,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:54:57,858 INFO L225 Difference]: With dead ends: 20500 [2022-07-14 02:54:57,858 INFO L226 Difference]: Without dead ends: 13355 [2022-07-14 02:54:57,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:54:57,890 INFO L413 NwaCegarLoop]: 2551 mSDtfsCounter, 3117 mSDsluCounter, 1843 mSDsCounter, 0 mSdLazyCounter, 2475 mSolverCounterSat, 1731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3543 SdHoareTripleChecker+Valid, 4394 SdHoareTripleChecker+Invalid, 4206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1731 IncrementalHoareTripleChecker+Valid, 2475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:54:57,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3543 Valid, 4394 Invalid, 4206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1731 Valid, 2475 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-14 02:54:57,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13355 states. [2022-07-14 02:54:58,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13355 to 12898. [2022-07-14 02:54:58,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12898 states, 8624 states have (on average 1.2424628942486085) internal successors, (10715), 8888 states have internal predecessors, (10715), 3516 states have call successors, (3516), 748 states have call predecessors, (3516), 755 states have return successors, (3583), 3411 states have call predecessors, (3583), 3513 states have call successors, (3583) [2022-07-14 02:54:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12898 states to 12898 states and 17814 transitions. [2022-07-14 02:54:58,513 INFO L78 Accepts]: Start accepts. Automaton has 12898 states and 17814 transitions. Word has length 146 [2022-07-14 02:54:58,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:54:58,516 INFO L495 AbstractCegarLoop]: Abstraction has 12898 states and 17814 transitions. [2022-07-14 02:54:58,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-14 02:54:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 12898 states and 17814 transitions. [2022-07-14 02:54:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-14 02:54:58,519 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:54:58,519 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:54:58,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 02:54:58,520 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:54:58,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:54:58,520 INFO L85 PathProgramCache]: Analyzing trace with hash -482232089, now seen corresponding path program 1 times [2022-07-14 02:54:58,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:54:58,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849400828] [2022-07-14 02:54:58,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:54:58,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:54:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:54:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:54:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:54:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:54:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:54:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:54:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:54:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:54:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:54:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:54:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:54:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:54:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:54:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:54:58,808 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-14 02:54:58,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:54:58,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849400828] [2022-07-14 02:54:58,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849400828] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:54:58,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:54:58,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:54:58,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894861074] [2022-07-14 02:54:58,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:54:58,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:54:58,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:54:58,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:54:58,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:54:58,810 INFO L87 Difference]: Start difference. First operand 12898 states and 17814 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-14 02:55:05,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:55:05,164 INFO L93 Difference]: Finished difference Result 27209 states and 37420 transitions. [2022-07-14 02:55:05,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 02:55:05,164 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 150 [2022-07-14 02:55:05,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:55:05,232 INFO L225 Difference]: With dead ends: 27209 [2022-07-14 02:55:05,232 INFO L226 Difference]: Without dead ends: 14336 [2022-07-14 02:55:05,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:55:05,283 INFO L413 NwaCegarLoop]: 4090 mSDtfsCounter, 4955 mSDsluCounter, 3362 mSDsCounter, 0 mSdLazyCounter, 7058 mSolverCounterSat, 2489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5659 SdHoareTripleChecker+Valid, 7452 SdHoareTripleChecker+Invalid, 9547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2489 IncrementalHoareTripleChecker+Valid, 7058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:55:05,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5659 Valid, 7452 Invalid, 9547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2489 Valid, 7058 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-14 02:55:05,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14336 states. [2022-07-14 02:55:05,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14336 to 13774. [2022-07-14 02:55:05,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13774 states, 9394 states have (on average 1.2394081328507558) internal successors, (11643), 9672 states have internal predecessors, (11643), 3516 states have call successors, (3516), 861 states have call predecessors, (3516), 861 states have return successors, (3544), 3397 states have call predecessors, (3544), 3513 states have call successors, (3544) [2022-07-14 02:55:05,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13774 states to 13774 states and 18703 transitions. [2022-07-14 02:55:05,921 INFO L78 Accepts]: Start accepts. Automaton has 13774 states and 18703 transitions. Word has length 150 [2022-07-14 02:55:05,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:55:05,924 INFO L495 AbstractCegarLoop]: Abstraction has 13774 states and 18703 transitions. [2022-07-14 02:55:05,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-14 02:55:05,924 INFO L276 IsEmpty]: Start isEmpty. Operand 13774 states and 18703 transitions. [2022-07-14 02:55:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-14 02:55:05,926 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:55:05,927 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-07-14 02:55:05,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 02:55:05,927 INFO L420 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)] === [2022-07-14 02:55:05,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:55:05,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1420451989, now seen corresponding path program 1 times [2022-07-14 02:55:05,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:55:05,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413630577] [2022-07-14 02:55:05,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:55:05,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:55:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:55:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:55:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:55:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:55:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:55:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:55:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:55:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:55:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:55:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:55:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:55:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:55:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:55:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:55:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:55:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:55:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:55:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 02:55:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-14 02:55:06,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:55:06,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413630577] [2022-07-14 02:55:06,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413630577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:55:06,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:55:06,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:55:06,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425434231] [2022-07-14 02:55:06,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:55:06,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:55:06,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:55:06,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:55:06,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:55:06,227 INFO L87 Difference]: Start difference. First operand 13774 states and 18703 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:55:10,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:55:10,457 INFO L93 Difference]: Finished difference Result 41641 states and 56770 transitions. [2022-07-14 02:55:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:55:10,463 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 186 [2022-07-14 02:55:10,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:55:10,595 INFO L225 Difference]: With dead ends: 41641 [2022-07-14 02:55:10,595 INFO L226 Difference]: Without dead ends: 27949 [2022-07-14 02:55:10,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:55:10,651 INFO L413 NwaCegarLoop]: 2702 mSDtfsCounter, 3488 mSDsluCounter, 1967 mSDsCounter, 0 mSdLazyCounter, 2483 mSolverCounterSat, 1764 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3975 SdHoareTripleChecker+Valid, 4669 SdHoareTripleChecker+Invalid, 4247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1764 IncrementalHoareTripleChecker+Valid, 2483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:55:10,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3975 Valid, 4669 Invalid, 4247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1764 Valid, 2483 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-14 02:55:10,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27949 states. [2022-07-14 02:55:11,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27949 to 26931. [2022-07-14 02:55:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26931 states, 18384 states have (on average 1.240970409051349) internal successors, (22814), 18906 states have internal predecessors, (22814), 6861 states have call successors, (6861), 1682 states have call predecessors, (6861), 1683 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-14 02:55:11,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26931 states to 26931 states and 36595 transitions. [2022-07-14 02:55:11,735 INFO L78 Accepts]: Start accepts. Automaton has 26931 states and 36595 transitions. Word has length 186 [2022-07-14 02:55:11,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:55:11,736 INFO L495 AbstractCegarLoop]: Abstraction has 26931 states and 36595 transitions. [2022-07-14 02:55:11,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:55:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 26931 states and 36595 transitions. [2022-07-14 02:55:11,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-14 02:55:11,739 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:55:11,740 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-07-14 02:55:11,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 02:55:11,740 INFO L420 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)] === [2022-07-14 02:55:11,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:55:11,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1843153815, now seen corresponding path program 1 times [2022-07-14 02:55:11,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:55:11,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320073883] [2022-07-14 02:55:11,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:55:11,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:55:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:55:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:55:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:55:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:55:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:55:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:55:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:55:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:55:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:55:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:55:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:55:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:55:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:55:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:55:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:55:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:12,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:55:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:55:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 02:55:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:12,027 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-07-14 02:55:12,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:55:12,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320073883] [2022-07-14 02:55:12,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320073883] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:55:12,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:55:12,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:55:12,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146391464] [2022-07-14 02:55:12,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:55:12,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:55:12,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:55:12,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:55:12,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:55:12,030 INFO L87 Difference]: Start difference. First operand 26931 states and 36595 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-14 02:55:15,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:55:15,644 INFO L93 Difference]: Finished difference Result 27933 states and 38130 transitions. [2022-07-14 02:55:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:55:15,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 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 186 [2022-07-14 02:55:15,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:55:15,747 INFO L225 Difference]: With dead ends: 27933 [2022-07-14 02:55:15,747 INFO L226 Difference]: Without dead ends: 27931 [2022-07-14 02:55:15,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:55:15,764 INFO L413 NwaCegarLoop]: 2319 mSDtfsCounter, 2710 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2957 SdHoareTripleChecker+Valid, 5396 SdHoareTripleChecker+Invalid, 4654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1277 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:55:15,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2957 Valid, 5396 Invalid, 4654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1277 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-14 02:55:15,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27931 states. [2022-07-14 02:55:16,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27931 to 26935. [2022-07-14 02:55:16,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26935 states, 18387 states have (on average 1.2409310926197856) internal successors, (22817), 18909 states have internal predecessors, (22817), 6861 states have call successors, (6861), 1683 states have call predecessors, (6861), 1684 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-14 02:55:16,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26935 states to 26935 states and 36598 transitions. [2022-07-14 02:55:16,749 INFO L78 Accepts]: Start accepts. Automaton has 26935 states and 36598 transitions. Word has length 186 [2022-07-14 02:55:16,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:55:16,750 INFO L495 AbstractCegarLoop]: Abstraction has 26935 states and 36598 transitions. [2022-07-14 02:55:16,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-14 02:55:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 26935 states and 36598 transitions. [2022-07-14 02:55:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-14 02:55:16,752 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:55:16,752 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-07-14 02:55:16,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 02:55:16,753 INFO L420 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)] === [2022-07-14 02:55:16,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:55:16,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1510504698, now seen corresponding path program 1 times [2022-07-14 02:55:16,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:55:16,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806205375] [2022-07-14 02:55:16,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:55:16,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:55:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:55:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:55:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:55:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:55:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:55:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:55:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:55:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:55:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:55:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:55:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:55:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:55:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:55:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:55:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:17,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:55:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:17,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:55:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:17,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:55:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:17,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 02:55:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:55:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-07-14 02:55:17,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:55:17,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806205375] [2022-07-14 02:55:17,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806205375] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:55:17,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:55:17,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:55:17,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483166690] [2022-07-14 02:55:17,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:55:17,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:55:17,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:55:17,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:55:17,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:55:17,068 INFO L87 Difference]: Start difference. First operand 26935 states and 36598 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 02:55:20,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:55:20,515 INFO L93 Difference]: Finished difference Result 27937 states and 38133 transitions. [2022-07-14 02:55:20,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:55:20,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 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 191 [2022-07-14 02:55:20,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:55:20,638 INFO L225 Difference]: With dead ends: 27937 [2022-07-14 02:55:20,638 INFO L226 Difference]: Without dead ends: 27935 [2022-07-14 02:55:20,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:55:20,664 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1276 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:55:20,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1276 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-14 02:55:20,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27935 states. [2022-07-14 02:55:21,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27935 to 26939. [2022-07-14 02:55:21,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26939 states, 18390 states have (on average 1.2408917890157694) internal successors, (22820), 18912 states have internal predecessors, (22820), 6861 states have call successors, (6861), 1684 states have call predecessors, (6861), 1685 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-14 02:55:21,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26939 states to 26939 states and 36601 transitions. [2022-07-14 02:55:21,770 INFO L78 Accepts]: Start accepts. Automaton has 26939 states and 36601 transitions. Word has length 191 [2022-07-14 02:55:21,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:55:21,774 INFO L495 AbstractCegarLoop]: Abstraction has 26939 states and 36601 transitions. [2022-07-14 02:55:21,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 02:55:21,774 INFO L276 IsEmpty]: Start isEmpty. Operand 26939 states and 36601 transitions. [2022-07-14 02:55:21,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-14 02:55:21,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:55:21,776 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:55:21,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 02:55:21,776 INFO L420 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)] === [2022-07-14 02:55:21,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:55:21,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1305464649, now seen corresponding path program 1 times [2022-07-14 02:55:21,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:55:21,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837609877] [2022-07-14 02:55:21,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:55:21,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:55:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:55:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:55:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:55:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:55:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:55:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:55:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:55:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:55:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:55:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:21,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:55:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:55:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:55:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:55:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:55:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:55:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:55:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:55:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 02:55:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:55:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:55:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2022-07-14 02:55:22,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:55:22,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837609877] [2022-07-14 02:55:22,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837609877] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:55:22,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:55:22,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:55:22,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210943693] [2022-07-14 02:55:22,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:55:22,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:55:22,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:55:22,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:55:22,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:55:22,079 INFO L87 Difference]: Start difference. First operand 26939 states and 36601 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 02:55:25,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:55:25,624 INFO L93 Difference]: Finished difference Result 27941 states and 38136 transitions. [2022-07-14 02:55:25,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:55:25,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 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 196 [2022-07-14 02:55:25,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:55:25,748 INFO L225 Difference]: With dead ends: 27941 [2022-07-14 02:55:25,748 INFO L226 Difference]: Without dead ends: 27939 [2022-07-14 02:55:25,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:55:25,772 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1275 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:55:25,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1275 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-14 02:55:25,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27939 states. [2022-07-14 02:55:26,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27939 to 26943. [2022-07-14 02:55:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26943 states, 18393 states have (on average 1.2408524982330233) internal successors, (22823), 18915 states have internal predecessors, (22823), 6861 states have call successors, (6861), 1685 states have call predecessors, (6861), 1686 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-14 02:55:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26943 states to 26943 states and 36604 transitions. [2022-07-14 02:55:26,784 INFO L78 Accepts]: Start accepts. Automaton has 26943 states and 36604 transitions. Word has length 196 [2022-07-14 02:55:26,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:55:26,785 INFO L495 AbstractCegarLoop]: Abstraction has 26943 states and 36604 transitions. [2022-07-14 02:55:26,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 02:55:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 26943 states and 36604 transitions. [2022-07-14 02:55:26,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-14 02:55:26,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:55:26,787 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 3, 3, 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] [2022-07-14 02:55:26,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 02:55:26,788 INFO L420 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)] === [2022-07-14 02:55:26,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:55:26,788 INFO L85 PathProgramCache]: Analyzing trace with hash 438306150, now seen corresponding path program 1 times [2022-07-14 02:55:26,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:55:26,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710161878] [2022-07-14 02:55:26,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:55:26,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:55:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:55:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:55:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:55:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:55:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:55:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:55:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:55:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:55:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:55:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:55:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:55:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:55:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:55:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:55:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:55:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:27,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:55:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:55:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 02:55:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:55:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:55:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 02:55:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-07-14 02:55:27,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:55:27,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710161878] [2022-07-14 02:55:27,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710161878] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:55:27,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:55:27,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:55:27,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380127422] [2022-07-14 02:55:27,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:55:27,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:55:27,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:55:27,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:55:27,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:55:27,055 INFO L87 Difference]: Start difference. First operand 26943 states and 36604 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-14 02:55:30,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:55:30,742 INFO L93 Difference]: Finished difference Result 27945 states and 38139 transitions. [2022-07-14 02:55:30,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:55:30,743 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2022-07-14 02:55:30,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:55:30,859 INFO L225 Difference]: With dead ends: 27945 [2022-07-14 02:55:30,859 INFO L226 Difference]: Without dead ends: 27943 [2022-07-14 02:55:30,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:55:30,884 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 2702 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2950 SdHoareTripleChecker+Valid, 5395 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:55:30,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2950 Valid, 5395 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-14 02:55:30,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27943 states. [2022-07-14 02:55:31,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27943 to 26947. [2022-07-14 02:55:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26947 states, 18396 states have (on average 1.240813220265275) internal successors, (22826), 18918 states have internal predecessors, (22826), 6861 states have call successors, (6861), 1686 states have call predecessors, (6861), 1687 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-14 02:55:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26947 states to 26947 states and 36607 transitions. [2022-07-14 02:55:32,054 INFO L78 Accepts]: Start accepts. Automaton has 26947 states and 36607 transitions. Word has length 201 [2022-07-14 02:55:32,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:55:32,054 INFO L495 AbstractCegarLoop]: Abstraction has 26947 states and 36607 transitions. [2022-07-14 02:55:32,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-14 02:55:32,055 INFO L276 IsEmpty]: Start isEmpty. Operand 26947 states and 36607 transitions. [2022-07-14 02:55:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-14 02:55:32,057 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:55:32,058 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 4, 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] [2022-07-14 02:55:32,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 02:55:32,058 INFO L420 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)] === [2022-07-14 02:55:32,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:55:32,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1035066839, now seen corresponding path program 1 times [2022-07-14 02:55:32,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:55:32,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280368378] [2022-07-14 02:55:32,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:55:32,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:55:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:55:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:55:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:55:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:55:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:55:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:55:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:55:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:55:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:55:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:55:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:55:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:55:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:55:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:55:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:55:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:55:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:55:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 02:55:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:55:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:55:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 02:55:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-14 02:55:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-07-14 02:55:32,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:55:32,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280368378] [2022-07-14 02:55:32,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280368378] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:55:32,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:55:32,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:55:32,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712260818] [2022-07-14 02:55:32,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:55:32,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:55:32,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:55:32,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:55:32,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:55:32,475 INFO L87 Difference]: Start difference. First operand 26947 states and 36607 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 02:55:35,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:55:35,809 INFO L93 Difference]: Finished difference Result 27949 states and 38142 transitions. [2022-07-14 02:55:35,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:55:35,810 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 206 [2022-07-14 02:55:35,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:55:35,914 INFO L225 Difference]: With dead ends: 27949 [2022-07-14 02:55:35,915 INFO L226 Difference]: Without dead ends: 27947 [2022-07-14 02:55:35,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:55:35,935 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1273 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:55:35,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1273 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-14 02:55:35,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27947 states. [2022-07-14 02:55:36,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27947 to 26951. [2022-07-14 02:55:36,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26951 states, 18399 states have (on average 1.2407739551062558) internal successors, (22829), 18921 states have internal predecessors, (22829), 6861 states have call successors, (6861), 1687 states have call predecessors, (6861), 1688 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-14 02:55:36,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26951 states to 26951 states and 36610 transitions. [2022-07-14 02:55:36,861 INFO L78 Accepts]: Start accepts. Automaton has 26951 states and 36610 transitions. Word has length 206 [2022-07-14 02:55:36,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:55:36,861 INFO L495 AbstractCegarLoop]: Abstraction has 26951 states and 36610 transitions. [2022-07-14 02:55:36,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 02:55:36,862 INFO L276 IsEmpty]: Start isEmpty. Operand 26951 states and 36610 transitions. [2022-07-14 02:55:36,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-07-14 02:55:36,865 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:55:36,865 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 5, 5, 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] [2022-07-14 02:55:36,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 02:55:36,866 INFO L420 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)] === [2022-07-14 02:55:36,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:55:36,866 INFO L85 PathProgramCache]: Analyzing trace with hash -652201257, now seen corresponding path program 1 times [2022-07-14 02:55:36,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:55:36,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845063395] [2022-07-14 02:55:36,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:55:36,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:55:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:55:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:36,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:55:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:55:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:55:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:55:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:55:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:55:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:55:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:55:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:55:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:55:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:55:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:55:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:55:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:55:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:55:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:55:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 02:55:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:55:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:55:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:55:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-14 02:55:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:55:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 02:55:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:55:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2022-07-14 02:55:37,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:55:37,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845063395] [2022-07-14 02:55:37,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845063395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:55:37,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:55:37,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:55:37,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55808371] [2022-07-14 02:55:37,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:55:37,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:55:37,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:55:37,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:55:37,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:55:37,155 INFO L87 Difference]: Start difference. First operand 26951 states and 36610 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 02:55:40,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:55:40,835 INFO L93 Difference]: Finished difference Result 27953 states and 38145 transitions. [2022-07-14 02:55:40,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:55:40,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 229 [2022-07-14 02:55:40,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:55:40,949 INFO L225 Difference]: With dead ends: 27953 [2022-07-14 02:55:40,949 INFO L226 Difference]: Without dead ends: 27951 [2022-07-14 02:55:40,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:55:40,972 INFO L413 NwaCegarLoop]: 2321 mSDtfsCounter, 2693 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2939 SdHoareTripleChecker+Valid, 5395 SdHoareTripleChecker+Invalid, 4649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1272 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:55:40,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2939 Valid, 5395 Invalid, 4649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1272 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-14 02:55:40,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27951 states. [2022-07-14 02:55:42,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27951 to 26955. [2022-07-14 02:55:42,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26955 states, 18402 states have (on average 1.240734702749701) internal successors, (22832), 18924 states have internal predecessors, (22832), 6861 states have call successors, (6861), 1688 states have call predecessors, (6861), 1689 states have return successors, (6920), 6656 states have call predecessors, (6920), 6858 states have call successors, (6920) [2022-07-14 02:55:42,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26955 states to 26955 states and 36613 transitions. [2022-07-14 02:55:42,173 INFO L78 Accepts]: Start accepts. Automaton has 26955 states and 36613 transitions. Word has length 229 [2022-07-14 02:55:42,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:55:42,174 INFO L495 AbstractCegarLoop]: Abstraction has 26955 states and 36613 transitions. [2022-07-14 02:55:42,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 02:55:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 26955 states and 36613 transitions. [2022-07-14 02:55:42,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-14 02:55:42,178 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:55:42,179 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 7, 6, 6, 6, 6, 6, 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] [2022-07-14 02:55:42,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 02:55:42,179 INFO L420 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)] === [2022-07-14 02:55:42,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:55:42,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1775476358, now seen corresponding path program 1 times [2022-07-14 02:55:42,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:55:42,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036688277] [2022-07-14 02:55:42,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:55:42,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:55:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:55:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:55:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:55:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:55:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:55:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:55:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:55:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:55:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:55:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:55:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:55:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:55:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:55:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:55:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:55:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:55:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:55:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 02:55:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:55:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:55:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:55:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-14 02:55:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:55:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 02:55:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:55:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 02:55:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2022-07-14 02:55:42,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:55:42,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036688277] [2022-07-14 02:55:42,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036688277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:55:42,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:55:42,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:55:42,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415369106] [2022-07-14 02:55:42,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:55:42,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:55:42,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:55:42,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:55:42,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:55:42,555 INFO L87 Difference]: Start difference. First operand 26955 states and 36613 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-14 02:55:46,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:55:46,451 INFO L93 Difference]: Finished difference Result 29871 states and 40092 transitions. [2022-07-14 02:55:46,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 02:55:46,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 234 [2022-07-14 02:55:46,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:55:46,554 INFO L225 Difference]: With dead ends: 29871 [2022-07-14 02:55:46,554 INFO L226 Difference]: Without dead ends: 29869 [2022-07-14 02:55:46,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:55:46,572 INFO L413 NwaCegarLoop]: 2363 mSDtfsCounter, 2055 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 4439 mSolverCounterSat, 926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2339 SdHoareTripleChecker+Valid, 5785 SdHoareTripleChecker+Invalid, 5365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 926 IncrementalHoareTripleChecker+Valid, 4439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:55:46,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2339 Valid, 5785 Invalid, 5365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [926 Valid, 4439 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-14 02:55:46,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29869 states. [2022-07-14 02:55:47,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29869 to 28857. [2022-07-14 02:55:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28857 states, 19651 states have (on average 1.2322528115617526) internal successors, (24215), 20227 states have internal predecessors, (24215), 7139 states have call successors, (7139), 2063 states have call predecessors, (7139), 2064 states have return successors, (7198), 6934 states have call predecessors, (7198), 7136 states have call successors, (7198) [2022-07-14 02:55:47,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28857 states to 28857 states and 38552 transitions. [2022-07-14 02:55:47,728 INFO L78 Accepts]: Start accepts. Automaton has 28857 states and 38552 transitions. Word has length 234 [2022-07-14 02:55:47,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:55:47,729 INFO L495 AbstractCegarLoop]: Abstraction has 28857 states and 38552 transitions. [2022-07-14 02:55:47,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-14 02:55:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 28857 states and 38552 transitions. [2022-07-14 02:55:47,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-14 02:55:47,732 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:55:47,732 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 8, 7, 7, 4, 4, 4, 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] [2022-07-14 02:55:47,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-14 02:55:47,732 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:55:47,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:55:47,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1118262746, now seen corresponding path program 1 times [2022-07-14 02:55:47,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:55:47,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817334346] [2022-07-14 02:55:47,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:55:47,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:55:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:55:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:55:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:55:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:55:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:55:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:55:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:47,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:55:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:55:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:55:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:48,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:55:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:55:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:55:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:55:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:55:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:55:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:55:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:55:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 02:55:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:55:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:55:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 02:55:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-14 02:55:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 02:55:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-14 02:55:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 02:55:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 657 trivial. 0 not checked. [2022-07-14 02:55:48,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:55:48,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817334346] [2022-07-14 02:55:48,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817334346] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:55:48,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:55:48,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:55:48,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847547666] [2022-07-14 02:55:48,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:55:48,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:55:48,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:55:48,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:55:48,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:55:48,134 INFO L87 Difference]: Start difference. First operand 28857 states and 38552 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 02:55:51,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:55:51,898 INFO L93 Difference]: Finished difference Result 29875 states and 40095 transitions. [2022-07-14 02:55:51,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:55:51,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 221 [2022-07-14 02:55:51,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:55:51,994 INFO L225 Difference]: With dead ends: 29875 [2022-07-14 02:55:51,994 INFO L226 Difference]: Without dead ends: 29873 [2022-07-14 02:55:52,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:55:52,008 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2702 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2949 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1270 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:55:52,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2949 Valid, 5399 Invalid, 4647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1270 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-14 02:55:52,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29873 states. [2022-07-14 02:55:53,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29873 to 28861. [2022-07-14 02:55:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28861 states, 19654 states have (on average 1.2322173603337743) internal successors, (24218), 20230 states have internal predecessors, (24218), 7139 states have call successors, (7139), 2064 states have call predecessors, (7139), 2065 states have return successors, (7198), 6934 states have call predecessors, (7198), 7136 states have call successors, (7198) [2022-07-14 02:55:53,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28861 states to 28861 states and 38555 transitions. [2022-07-14 02:55:53,316 INFO L78 Accepts]: Start accepts. Automaton has 28861 states and 38555 transitions. Word has length 221 [2022-07-14 02:55:53,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:55:53,316 INFO L495 AbstractCegarLoop]: Abstraction has 28861 states and 38555 transitions. [2022-07-14 02:55:53,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 02:55:53,316 INFO L276 IsEmpty]: Start isEmpty. Operand 28861 states and 38555 transitions. [2022-07-14 02:55:53,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-14 02:55:53,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:55:53,319 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 9, 8, 8, 6, 6, 6, 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] [2022-07-14 02:55:53,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 02:55:53,320 INFO L420 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)] === [2022-07-14 02:55:53,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:55:53,320 INFO L85 PathProgramCache]: Analyzing trace with hash 260109542, now seen corresponding path program 1 times [2022-07-14 02:55:53,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:55:53,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710425048] [2022-07-14 02:55:53,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:55:53,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:55:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:55:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:55:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:55:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:55:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:55:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:55:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:55:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:55:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:55:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:55:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:55:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:55:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:55:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:55:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:55:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:55:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:55:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 02:55:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:55:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:55:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:55:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-14 02:55:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:55:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 02:55:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:55:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 02:55:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-14 02:55:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 02:55:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2022-07-14 02:55:53,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:55:53,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710425048] [2022-07-14 02:55:53,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710425048] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:55:53,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:55:53,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:55:53,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668092936] [2022-07-14 02:55:53,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:55:53,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:55:53,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:55:53,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:55:53,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:55:53,625 INFO L87 Difference]: Start difference. First operand 28861 states and 38555 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-14 02:55:57,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:55:57,455 INFO L93 Difference]: Finished difference Result 29879 states and 40098 transitions. [2022-07-14 02:55:57,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:55:57,455 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 244 [2022-07-14 02:55:57,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:55:57,561 INFO L225 Difference]: With dead ends: 29879 [2022-07-14 02:55:57,561 INFO L226 Difference]: Without dead ends: 29877 [2022-07-14 02:55:57,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:55:57,581 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2693 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1269 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:55:57,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 5399 Invalid, 4646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1269 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-14 02:55:57,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29877 states. [2022-07-14 02:55:58,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29877 to 28865. [2022-07-14 02:55:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28865 states, 19657 states have (on average 1.2321819199267436) internal successors, (24221), 20233 states have internal predecessors, (24221), 7139 states have call successors, (7139), 2065 states have call predecessors, (7139), 2066 states have return successors, (7198), 6934 states have call predecessors, (7198), 7136 states have call successors, (7198) [2022-07-14 02:55:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28865 states to 28865 states and 38558 transitions. [2022-07-14 02:55:58,767 INFO L78 Accepts]: Start accepts. Automaton has 28865 states and 38558 transitions. Word has length 244 [2022-07-14 02:55:58,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:55:58,767 INFO L495 AbstractCegarLoop]: Abstraction has 28865 states and 38558 transitions. [2022-07-14 02:55:58,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-14 02:55:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand 28865 states and 38558 transitions. [2022-07-14 02:55:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-07-14 02:55:58,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:55:58,772 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 6, 6, 6, 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] [2022-07-14 02:55:58,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-14 02:55:58,772 INFO L420 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)] === [2022-07-14 02:55:58,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:55:58,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1435243799, now seen corresponding path program 1 times [2022-07-14 02:55:58,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:55:58,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961669649] [2022-07-14 02:55:58,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:55:58,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:55:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:55:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:55:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:55:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:55:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:55:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:55:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:55:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:55:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:55:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:55:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:55:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:55:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:55:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:55:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:55:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:55:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:55:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:58,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:55:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 02:55:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:55:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:55:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:55:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-14 02:55:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:55:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 02:55:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:55:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 02:55:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-14 02:55:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 02:55:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:55:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:55:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2022-07-14 02:55:59,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:55:59,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961669649] [2022-07-14 02:55:59,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961669649] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:55:59,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:55:59,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:55:59,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949974880] [2022-07-14 02:55:59,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:55:59,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:55:59,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:55:59,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:55:59,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:55:59,049 INFO L87 Difference]: Start difference. First operand 28865 states and 38558 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 02:56:02,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:56:02,783 INFO L93 Difference]: Finished difference Result 29883 states and 40101 transitions. [2022-07-14 02:56:02,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:56:02,784 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 249 [2022-07-14 02:56:02,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:56:02,871 INFO L225 Difference]: With dead ends: 29883 [2022-07-14 02:56:02,871 INFO L226 Difference]: Without dead ends: 29881 [2022-07-14 02:56:02,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:56:02,889 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2693 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1268 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:56:02,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 5399 Invalid, 4645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1268 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-14 02:56:02,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29881 states. [2022-07-14 02:56:03,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29881 to 28869. [2022-07-14 02:56:03,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28869 states, 19660 states have (on average 1.2321464903357071) internal successors, (24224), 20236 states have internal predecessors, (24224), 7139 states have call successors, (7139), 2066 states have call predecessors, (7139), 2067 states have return successors, (7198), 6934 states have call predecessors, (7198), 7136 states have call successors, (7198) [2022-07-14 02:56:03,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28869 states to 28869 states and 38561 transitions. [2022-07-14 02:56:03,970 INFO L78 Accepts]: Start accepts. Automaton has 28869 states and 38561 transitions. Word has length 249 [2022-07-14 02:56:03,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:56:03,983 INFO L495 AbstractCegarLoop]: Abstraction has 28869 states and 38561 transitions. [2022-07-14 02:56:03,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 02:56:03,984 INFO L276 IsEmpty]: Start isEmpty. Operand 28869 states and 38561 transitions. [2022-07-14 02:56:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-14 02:56:03,988 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:56:03,988 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 5, 5, 5, 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] [2022-07-14 02:56:03,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-14 02:56:03,988 INFO L420 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)] === [2022-07-14 02:56:03,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:56:03,989 INFO L85 PathProgramCache]: Analyzing trace with hash -544170063, now seen corresponding path program 1 times [2022-07-14 02:56:03,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:56:03,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419245992] [2022-07-14 02:56:03,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:56:03,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:56:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:56:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:56:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:56:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:56:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:56:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:56:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:56:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:56:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:56:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:56:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:56:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:56:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:56:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:56:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 02:56:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 02:56:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:56:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 02:56:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 02:56:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 02:56:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-14 02:56:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 02:56:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:04,253 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-07-14 02:56:04,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:56:04,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419245992] [2022-07-14 02:56:04,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419245992] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:56:04,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:56:04,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:56:04,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899306925] [2022-07-14 02:56:04,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:56:04,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:56:04,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:56:04,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:56:04,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:56:04,257 INFO L87 Difference]: Start difference. First operand 28869 states and 38561 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 02:56:08,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:56:08,650 INFO L93 Difference]: Finished difference Result 64860 states and 86898 transitions. [2022-07-14 02:56:08,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:56:08,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 232 [2022-07-14 02:56:08,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:56:08,799 INFO L225 Difference]: With dead ends: 64860 [2022-07-14 02:56:08,800 INFO L226 Difference]: Without dead ends: 36073 [2022-07-14 02:56:08,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:56:08,897 INFO L413 NwaCegarLoop]: 3780 mSDtfsCounter, 2083 mSDsluCounter, 2257 mSDsCounter, 0 mSdLazyCounter, 2387 mSolverCounterSat, 1104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2460 SdHoareTripleChecker+Valid, 6037 SdHoareTripleChecker+Invalid, 3491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1104 IncrementalHoareTripleChecker+Valid, 2387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:56:08,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2460 Valid, 6037 Invalid, 3491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1104 Valid, 2387 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-14 02:56:08,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36073 states. [2022-07-14 02:56:10,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36073 to 34793. [2022-07-14 02:56:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34793 states, 23832 states have (on average 1.2336354481369587) internal successors, (29400), 24516 states have internal predecessors, (29400), 8481 states have call successors, (8481), 2476 states have call predecessors, (8481), 2477 states have return successors, (8540), 8238 states have call predecessors, (8540), 8478 states have call successors, (8540) [2022-07-14 02:56:10,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34793 states to 34793 states and 46421 transitions. [2022-07-14 02:56:10,535 INFO L78 Accepts]: Start accepts. Automaton has 34793 states and 46421 transitions. Word has length 232 [2022-07-14 02:56:10,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:56:10,536 INFO L495 AbstractCegarLoop]: Abstraction has 34793 states and 46421 transitions. [2022-07-14 02:56:10,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 02:56:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 34793 states and 46421 transitions. [2022-07-14 02:56:10,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-14 02:56:10,538 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:56:10,538 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 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] [2022-07-14 02:56:10,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-14 02:56:10,539 INFO L420 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)] === [2022-07-14 02:56:10,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:56:10,539 INFO L85 PathProgramCache]: Analyzing trace with hash 221217606, now seen corresponding path program 1 times [2022-07-14 02:56:10,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:56:10,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597290639] [2022-07-14 02:56:10,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:56:10,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:56:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:56:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:56:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:56:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:56:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:56:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:56:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:56:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:56:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:56:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:56:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:56:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:56:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:56:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:56:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:56:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:56:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:56:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 02:56:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:56:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:56:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:56:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-14 02:56:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:56:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 02:56:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:56:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 02:56:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-14 02:56:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 02:56:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:56:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:10,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 02:56:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-07-14 02:56:11,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:56:11,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597290639] [2022-07-14 02:56:11,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597290639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:56:11,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:56:11,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:56:11,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025479936] [2022-07-14 02:56:11,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:56:11,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:56:11,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:56:11,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:56:11,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:56:11,004 INFO L87 Difference]: Start difference. First operand 34793 states and 46421 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-14 02:56:15,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:56:15,056 INFO L93 Difference]: Finished difference Result 36011 states and 48264 transitions. [2022-07-14 02:56:15,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:56:15,056 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 254 [2022-07-14 02:56:15,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:56:15,184 INFO L225 Difference]: With dead ends: 36011 [2022-07-14 02:56:15,185 INFO L226 Difference]: Without dead ends: 36007 [2022-07-14 02:56:15,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:56:15,203 INFO L413 NwaCegarLoop]: 2322 mSDtfsCounter, 2693 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 3377 mSolverCounterSat, 1267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 5399 SdHoareTripleChecker+Invalid, 4644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1267 IncrementalHoareTripleChecker+Valid, 3377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:56:15,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2938 Valid, 5399 Invalid, 4644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1267 Valid, 3377 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-14 02:56:15,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36007 states. [2022-07-14 02:56:16,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36007 to 34795. [2022-07-14 02:56:16,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34795 states, 23834 states have (on average 1.2335738860451455) internal successors, (29401), 24517 states have internal predecessors, (29401), 8481 states have call successors, (8481), 2477 states have call predecessors, (8481), 2477 states have return successors, (8540), 8238 states have call predecessors, (8540), 8478 states have call successors, (8540) [2022-07-14 02:56:16,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34795 states to 34795 states and 46422 transitions. [2022-07-14 02:56:16,702 INFO L78 Accepts]: Start accepts. Automaton has 34795 states and 46422 transitions. Word has length 254 [2022-07-14 02:56:16,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:56:16,703 INFO L495 AbstractCegarLoop]: Abstraction has 34795 states and 46422 transitions. [2022-07-14 02:56:16,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-14 02:56:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 34795 states and 46422 transitions. [2022-07-14 02:56:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-14 02:56:16,705 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:56:16,706 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 11, 11, 10, 10, 10, 10, 10, 10, 6, 6, 6, 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] [2022-07-14 02:56:16,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-14 02:56:16,706 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:56:16,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:56:16,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1462652361, now seen corresponding path program 1 times [2022-07-14 02:56:16,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:56:16,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275525053] [2022-07-14 02:56:16,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:56:16,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:56:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:56:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:56:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:56:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:56:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:56:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:56:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:56:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:56:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:56:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:56:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:56:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:56:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:56:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:56:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-14 02:56:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 02:56:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:56:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 02:56:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:56:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:56:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:56:16,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-14 02:56:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:56:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 02:56:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:56:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 02:56:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-14 02:56:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 02:56:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 02:56:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 02:56:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 02:56:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2022-07-14 02:56:17,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:56:17,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275525053] [2022-07-14 02:56:17,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275525053] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:56:17,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:56:17,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:56:17,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415673914] [2022-07-14 02:56:17,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:56:17,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:56:17,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:56:17,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:56:17,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:56:17,100 INFO L87 Difference]: Start difference. First operand 34795 states and 46422 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 02:56:21,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:56:21,145 INFO L93 Difference]: Finished difference Result 36007 states and 48260 transitions. [2022-07-14 02:56:21,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:56:21,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 259 [2022-07-14 02:56:21,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:56:21,297 INFO L225 Difference]: With dead ends: 36007 [2022-07-14 02:56:21,297 INFO L226 Difference]: Without dead ends: 35735 [2022-07-14 02:56:21,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:56:21,323 INFO L413 NwaCegarLoop]: 2318 mSDtfsCounter, 2687 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 3372 mSolverCounterSat, 1266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 5392 SdHoareTripleChecker+Invalid, 4638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1266 IncrementalHoareTripleChecker+Valid, 3372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:56:21,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 5392 Invalid, 4638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1266 Valid, 3372 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-14 02:56:21,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35735 states. [2022-07-14 02:56:22,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35735 to 34523. [2022-07-14 02:56:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34523 states, 23664 states have (on average 1.232631845841785) internal successors, (29169), 24315 states have internal predecessors, (29169), 8396 states have call successors, (8396), 2459 states have call predecessors, (8396), 2461 states have return successors, (8458), 8186 states have call predecessors, (8458), 8396 states have call successors, (8458) [2022-07-14 02:56:22,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34523 states to 34523 states and 46023 transitions. [2022-07-14 02:56:22,860 INFO L78 Accepts]: Start accepts. Automaton has 34523 states and 46023 transitions. Word has length 259 [2022-07-14 02:56:22,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:56:22,861 INFO L495 AbstractCegarLoop]: Abstraction has 34523 states and 46023 transitions. [2022-07-14 02:56:22,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 02:56:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 34523 states and 46023 transitions. [2022-07-14 02:56:22,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-14 02:56:22,864 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:56:22,865 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:56:22,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-14 02:56:22,865 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:56:22,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:56:22,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2147016414, now seen corresponding path program 1 times [2022-07-14 02:56:22,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:56:22,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962569586] [2022-07-14 02:56:22,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:56:22,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:56:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:22,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:56:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:22,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:22,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:56:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:22,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:56:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:22,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:56:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:22,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:56:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:22,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:22,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:56:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:56:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:56:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:56:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:56:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:56:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:56:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:56:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:56:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 02:56:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 02:56:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:56:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 02:56:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:56:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:56:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:56:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:56:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:56:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:56:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 02:56:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 02:56:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 02:56:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 02:56:23,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-14 02:56:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-14 02:56:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:23,145 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-07-14 02:56:23,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:56:23,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962569586] [2022-07-14 02:56:23,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962569586] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:56:23,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:56:23,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:56:23,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271879605] [2022-07-14 02:56:23,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:56:23,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:56:23,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:56:23,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:56:23,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:56:23,148 INFO L87 Difference]: Start difference. First operand 34523 states and 46023 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:56:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:56:28,283 INFO L93 Difference]: Finished difference Result 76177 states and 101857 transitions. [2022-07-14 02:56:28,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:56:28,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 306 [2022-07-14 02:56:28,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:56:28,429 INFO L225 Difference]: With dead ends: 76177 [2022-07-14 02:56:28,429 INFO L226 Difference]: Without dead ends: 41677 [2022-07-14 02:56:28,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:56:28,519 INFO L413 NwaCegarLoop]: 3733 mSDtfsCounter, 2055 mSDsluCounter, 2234 mSDsCounter, 0 mSdLazyCounter, 2313 mSolverCounterSat, 1029 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 5967 SdHoareTripleChecker+Invalid, 3342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1029 IncrementalHoareTripleChecker+Valid, 2313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:56:28,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 5967 Invalid, 3342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1029 Valid, 2313 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-14 02:56:28,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41677 states. [2022-07-14 02:56:30,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41677 to 40257. [2022-07-14 02:56:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40257 states, 27705 states have (on average 1.2339649882692654) internal successors, (34187), 28456 states have internal predecessors, (34187), 9693 states have call successors, (9693), 2855 states have call predecessors, (9693), 2857 states have return successors, (9755), 9453 states have call predecessors, (9755), 9693 states have call successors, (9755) [2022-07-14 02:56:30,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40257 states to 40257 states and 53635 transitions. [2022-07-14 02:56:30,468 INFO L78 Accepts]: Start accepts. Automaton has 40257 states and 53635 transitions. Word has length 306 [2022-07-14 02:56:30,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:56:30,469 INFO L495 AbstractCegarLoop]: Abstraction has 40257 states and 53635 transitions. [2022-07-14 02:56:30,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:56:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 40257 states and 53635 transitions. [2022-07-14 02:56:30,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-14 02:56:30,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:56:30,473 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 10, 10, 10, 9, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:56:30,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-14 02:56:30,474 INFO L420 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)] === [2022-07-14 02:56:30,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:56:30,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1586316636, now seen corresponding path program 1 times [2022-07-14 02:56:30,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:56:30,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893206292] [2022-07-14 02:56:30,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:56:30,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:56:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:56:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:56:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:56:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:56:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:56:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:56:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:56:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:56:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:56:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:56:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:56:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:56:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:56:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:56:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 02:56:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 02:56:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:56:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 02:56:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:56:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:56:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:56:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:56:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:56:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:56:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 02:56:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 02:56:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 02:56:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 02:56:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-14 02:56:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-14 02:56:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-07-14 02:56:30,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:56:30,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893206292] [2022-07-14 02:56:30,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893206292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:56:30,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:56:30,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:56:30,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2374489] [2022-07-14 02:56:30,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:56:30,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:56:30,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:56:30,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:56:30,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:56:30,949 INFO L87 Difference]: Start difference. First operand 40257 states and 53635 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:56:36,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:56:36,026 INFO L93 Difference]: Finished difference Result 90786 states and 121359 transitions. [2022-07-14 02:56:36,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:56:36,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 306 [2022-07-14 02:56:36,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:56:36,230 INFO L225 Difference]: With dead ends: 90786 [2022-07-14 02:56:36,231 INFO L226 Difference]: Without dead ends: 50611 [2022-07-14 02:56:36,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:56:36,341 INFO L413 NwaCegarLoop]: 3874 mSDtfsCounter, 2357 mSDsluCounter, 2123 mSDsCounter, 0 mSdLazyCounter, 2356 mSolverCounterSat, 1084 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2789 SdHoareTripleChecker+Valid, 5997 SdHoareTripleChecker+Invalid, 3440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1084 IncrementalHoareTripleChecker+Valid, 2356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:56:36,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2789 Valid, 5997 Invalid, 3440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1084 Valid, 2356 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-14 02:56:36,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50611 states. [2022-07-14 02:56:38,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50611 to 48805. [2022-07-14 02:56:38,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48805 states, 33513 states have (on average 1.2328350192462627) internal successors, (41316), 34416 states have internal predecessors, (41316), 11815 states have call successors, (11815), 3473 states have call predecessors, (11815), 3475 states have return successors, (11877), 11523 states have call predecessors, (11877), 11815 states have call successors, (11877) [2022-07-14 02:56:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48805 states to 48805 states and 65008 transitions. [2022-07-14 02:56:38,687 INFO L78 Accepts]: Start accepts. Automaton has 48805 states and 65008 transitions. Word has length 306 [2022-07-14 02:56:38,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:56:38,687 INFO L495 AbstractCegarLoop]: Abstraction has 48805 states and 65008 transitions. [2022-07-14 02:56:38,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:56:38,688 INFO L276 IsEmpty]: Start isEmpty. Operand 48805 states and 65008 transitions. [2022-07-14 02:56:38,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-07-14 02:56:38,693 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:56:38,694 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:56:38,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-14 02:56:38,694 INFO L420 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)] === [2022-07-14 02:56:38,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:56:38,694 INFO L85 PathProgramCache]: Analyzing trace with hash 628354742, now seen corresponding path program 1 times [2022-07-14 02:56:38,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:56:38,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525077910] [2022-07-14 02:56:38,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:56:38,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:56:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:56:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:56:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:56:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:56:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:56:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:56:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:56:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:56:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:56:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:56:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 02:56:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:56:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 02:56:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:56:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 02:56:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 02:56:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:56:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:38,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 02:56:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:56:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:56:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:56:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 02:56:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:56:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:56:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 02:56:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-14 02:56:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 02:56:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-14 02:56:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-14 02:56:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:56:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-14 02:56:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 02:56:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-14 02:56:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-14 02:56:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:56:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:56:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-14 02:56:39,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:56:39,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525077910] [2022-07-14 02:56:39,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525077910] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:56:39,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:56:39,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:56:39,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430969511] [2022-07-14 02:56:39,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:56:39,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:56:39,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:56:39,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:56:39,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:56:39,123 INFO L87 Difference]: Start difference. First operand 48805 states and 65008 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34)