./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 ae007674 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-dev-ae00767 [2021-12-28 04:48:27,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:48:27,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:48:27,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:48:27,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:48:27,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:48:27,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:48:27,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:48:27,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:48:27,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:48:27,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:48:27,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:48:27,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:48:27,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:48:27,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:48:27,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:48:27,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:48:27,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:48:27,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:48:27,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:48:27,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:48:27,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:48:27,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:48:27,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:48:27,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:48:27,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:48:27,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:48:27,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:48:27,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:48:27,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:48:27,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:48:27,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:48:27,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:48:27,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:48:27,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:48:27,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:48:27,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:48:27,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:48:27,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:48:27,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:48:27,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:48:27,748 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:48:27,763 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:48:27,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:48:27,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:48:27,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:48:27,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:48:27,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:48:27,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:48:27,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:48:27,766 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:48:27,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:48:27,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:48:27,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:48:27,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:48:27,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:48:27,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:48:27,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:48:27,768 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:48:27,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:48:27,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:48:27,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:48:27,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:48:27,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:48:27,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:48:27,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:48:27,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:48:27,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:48:27,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:48:27,770 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:48:27,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:48:27,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:48:27,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dda3f7c080a6e7302d861accabde0bee64e4cb5e7a0fb77650fdd775ecd7779 [2021-12-28 04:48:28,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:48:28,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:48:28,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:48:28,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:48:28,037 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:48:28,038 INFO L432 ainManager$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 [2021-12-28 04:48:28,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac61e258/0ff7ffd96a744d20a67aafc7b591007b/FLAG3c69e364f [2021-12-28 04:48:28,682 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:48:28,682 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 [2021-12-28 04:48:28,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac61e258/0ff7ffd96a744d20a67aafc7b591007b/FLAG3c69e364f [2021-12-28 04:48:29,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ac61e258/0ff7ffd96a744d20a67aafc7b591007b [2021-12-28 04:48:29,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:48:29,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:48:29,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:48:29,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:48:29,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:48:29,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:48:29" (1/1) ... [2021-12-28 04:48:29,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76af8eef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:29, skipping insertion in model container [2021-12-28 04:48:29,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:48:29" (1/1) ... [2021-12-28 04:48:29,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:48:29,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:48:31,141 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] [2021-12-28 04:48:31,146 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] [2021-12-28 04:48:31,147 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] [2021-12-28 04:48:31,147 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] [2021-12-28 04:48:31,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:48:31,197 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:48:31,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i[334651,334664] [2021-12-28 04:48:31,403 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] [2021-12-28 04:48:31,403 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] [2021-12-28 04:48:31,403 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] [2021-12-28 04:48:31,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:48:31,560 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:48:31,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31 WrapperNode [2021-12-28 04:48:31,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:48:31,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:48:31,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:48:31,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:48:31,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31" (1/1) ... [2021-12-28 04:48:31,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31" (1/1) ... [2021-12-28 04:48:31,762 INFO L137 Inliner]: procedures = 455, calls = 1830, calls flagged for inlining = 226, calls inlined = 204, statements flattened = 4612 [2021-12-28 04:48:31,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:48:31,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:48:31,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:48:31,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:48:31,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31" (1/1) ... [2021-12-28 04:48:31,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31" (1/1) ... [2021-12-28 04:48:31,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31" (1/1) ... [2021-12-28 04:48:31,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31" (1/1) ... [2021-12-28 04:48:31,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31" (1/1) ... [2021-12-28 04:48:31,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31" (1/1) ... [2021-12-28 04:48:31,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31" (1/1) ... [2021-12-28 04:48:31,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:48:31,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:48:31,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:48:31,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:48:31,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31" (1/1) ... [2021-12-28 04:48:31,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:48:31,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:48:31,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:48:32,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:48:32,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:48:32,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:48:32,038 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_stats [2021-12-28 04:48:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_stats [2021-12-28 04:48:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:48:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:48:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 04:48:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 04:48:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:48:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:48:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:48:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:48:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:48:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:48:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:48:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:48:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-28 04:48:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-28 04:48:32,039 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:48:32,039 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:48:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:48:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:48:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 04:48:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 04:48:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:48:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:48:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:48:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:48:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:48:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:48:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:48:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:48:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:48:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:48:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-28 04:48:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-28 04:48:32,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:48:32,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:48:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:48:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 04:48:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 04:48:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-28 04:48:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-28 04:48:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_tx_timeout [2021-12-28 04:48:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_tx_timeout [2021-12-28 04:48:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:48:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:48:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_read [2021-12-28 04:48:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_read [2021-12-28 04:48:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:48:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_nway_reset [2021-12-28 04:48:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_nway_reset [2021-12-28 04:48:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:48:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:48:32,041 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_rx_buff_len [2021-12-28 04:48:32,041 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_rx_buff_len [2021-12-28 04:48:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:48:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_open [2021-12-28 04:48:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_open [2021-12-28 04:48:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:48:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:48:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:48:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:48:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:48:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 04:48:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 04:48:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:48:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:48:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:48:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:48:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 04:48:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 04:48:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:48:32,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:48:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_write_phy [2021-12-28 04:48:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_write_phy [2021-12-28 04:48:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:48:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:48:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:48:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:48:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:48:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:48:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:48:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_phy [2021-12-28 04:48:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_phy [2021-12-28 04:48:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-28 04:48:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-28 04:48:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:48:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:48:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:48:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:48:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:48:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:48:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:48:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:48:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:48:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:48:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_remove_one [2021-12-28 04:48:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_remove_one [2021-12-28 04:48:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 04:48:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 04:48:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-28 04:48:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-28 04:48:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:48:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:48:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_free_skbs [2021-12-28 04:48:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_free_skbs [2021-12-28 04:48:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:48:32,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:48:32,044 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:48:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:48:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:48:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:48:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-28 04:48:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-28 04:48:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-28 04:48:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-28 04:48:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-28 04:48:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-28 04:48:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:48:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:48:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_close [2021-12-28 04:48:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_close [2021-12-28 04:48:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:48:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:48:32,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:48:32,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:48:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:48:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:48:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:48:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:48:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_mdio_write [2021-12-28 04:48:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_mdio_write [2021-12-28 04:48:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_read_mib [2021-12-28 04:48:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_read_mib [2021-12-28 04:48:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 04:48:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 04:48:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_interrupt [2021-12-28 04:48:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_interrupt [2021-12-28 04:48:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:48:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:48:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_coalesce [2021-12-28 04:48:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_coalesce [2021-12-28 04:48:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:48:32,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:48:32,046 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-28 04:48:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-28 04:48:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:48:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:48:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 04:48:32,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 04:48:32,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:48:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-28 04:48:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-28 04:48:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:48:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:48:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:48:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_disable_interrupt [2021-12-28 04:48:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_disable_interrupt [2021-12-28 04:48:32,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-28 04:48:32,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-28 04:48:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_set_multicast_list [2021-12-28 04:48:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_set_multicast_list [2021-12-28 04:48:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:48:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_resume [2021-12-28 04:48:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_resume [2021-12-28 04:48:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:48:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:48:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:48:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:48:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 04:48:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 04:48:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_66 [2021-12-28 04:48:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_66 [2021-12-28 04:48:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_restart [2021-12-28 04:48:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_restart [2021-12-28 04:48:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 04:48:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 04:48:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 04:48:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 04:48:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:48:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:48:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 04:48:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 04:48:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:48:32,051 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:48:32,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:48:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:48:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:48:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_stop_chip [2021-12-28 04:48:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_stop_chip [2021-12-28 04:48:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:48:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:48:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_68 [2021-12-28 04:48:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_68 [2021-12-28 04:48:32,052 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_poll [2021-12-28 04:48:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_poll [2021-12-28 04:48:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2021-12-28 04:48:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_amd8111e_priv [2021-12-28 04:48:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:48:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:48:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 04:48:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 04:48:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure amd8111e_get_regs_len [2021-12-28 04:48:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure amd8111e_get_regs_len [2021-12-28 04:48:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:48:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:48:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:48:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_amd8111e_priv [2021-12-28 04:48:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_amd8111e_priv [2021-12-28 04:48:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:48:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:48:32,629 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:48:32,631 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:48:33,080 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:48:34,537 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:48:34,605 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:48:34,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:48:34,617 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:48:34,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:48:34 BoogieIcfgContainer [2021-12-28 04:48:34,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:48:34,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:48:34,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:48:34,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:48:34,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:48:29" (1/3) ... [2021-12-28 04:48:34,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a205bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:48:34, skipping insertion in model container [2021-12-28 04:48:34,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:31" (2/3) ... [2021-12-28 04:48:34,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a205bcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:48:34, skipping insertion in model container [2021-12-28 04:48:34,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:48:34" (3/3) ... [2021-12-28 04:48:34,625 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-amd-amd8111e.cil.i [2021-12-28 04:48:34,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:48:34,629 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 04:48:34,661 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:48:34,665 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:48:34,666 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 04:48:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 1805 states, 1186 states have (on average 1.245362563237774) internal successors, (1477), 1219 states have internal predecessors, (1477), 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) [2021-12-28 04:48:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-12-28 04:48:34,708 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:48:34,708 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:48:34,709 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:48:34,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:48:34,713 INFO L85 PathProgramCache]: Analyzing trace with hash 2048454615, now seen corresponding path program 1 times [2021-12-28 04:48:34,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:48:34,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030740039] [2021-12-28 04:48:34,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:48:34,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:48:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:48:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:48:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:48:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:48:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:48:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:48:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:48:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:48:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:48:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:48:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:48:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:48:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-12-28 04:48:35,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:48:35,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030740039] [2021-12-28 04:48:35,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030740039] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:48:35,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:48:35,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:48:35,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75982521] [2021-12-28 04:48:35,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:48:35,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:48:35,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:48:35,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:48:35,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:48:35,296 INFO L87 Difference]: Start difference. First operand has 1805 states, 1186 states have (on average 1.245362563237774) internal successors, (1477), 1219 states have internal predecessors, (1477), 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) [2021-12-28 04:48:39,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:48:39,046 INFO L93 Difference]: Finished difference Result 5425 states and 7750 transitions. [2021-12-28 04:48:39,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:48:39,048 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 [2021-12-28 04:48:39,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:48:39,078 INFO L225 Difference]: With dead ends: 5425 [2021-12-28 04:48:39,078 INFO L226 Difference]: Without dead ends: 3635 [2021-12-28 04:48:39,102 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:48:39,105 INFO L933 BasicCegarLoop]: 2526 mSDtfsCounter, 3376 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 2455 mSolverCounterSat, 1753 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3868 SdHoareTripleChecker+Valid, 4307 SdHoareTripleChecker+Invalid, 4208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1753 IncrementalHoareTripleChecker+Valid, 2455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:48:39,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3868 Valid, 4307 Invalid, 4208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1753 Valid, 2455 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-28 04:48:39,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3635 states. [2021-12-28 04:48:39,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3635 to 3497. [2021-12-28 04:48:39,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3497 states, 2310 states have (on average 1.2363636363636363) internal successors, (2856), 2374 states have internal predecessors, (2856), 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) [2021-12-28 04:48:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 3497 states and 4839 transitions. [2021-12-28 04:48:39,343 INFO L78 Accepts]: Start accepts. Automaton has 3497 states and 4839 transitions. Word has length 134 [2021-12-28 04:48:39,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:48:39,343 INFO L470 AbstractCegarLoop]: Abstraction has 3497 states and 4839 transitions. [2021-12-28 04:48:39,344 INFO L471 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) [2021-12-28 04:48:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 3497 states and 4839 transitions. [2021-12-28 04:48:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-28 04:48:39,354 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:48:39,354 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:48:39,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:48:39,355 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:48:39,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:48:39,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1730628574, now seen corresponding path program 1 times [2021-12-28 04:48:39,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:48:39,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154007146] [2021-12-28 04:48:39,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:48:39,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:48:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:48:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:48:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:48:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:48:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:48:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:48:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:48:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:48:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:48:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:48:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:48:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-28 04:48:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:48:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-28 04:48:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-12-28 04:48:39,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:48:39,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154007146] [2021-12-28 04:48:39,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154007146] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:48:39,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:48:39,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:48:39,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192069213] [2021-12-28 04:48:39,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:48:39,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:48:39,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:48:39,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:48:39,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:48:39,707 INFO L87 Difference]: Start difference. First operand 3497 states and 4839 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) [2021-12-28 04:48:43,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:48:43,218 INFO L93 Difference]: Finished difference Result 10597 states and 14741 transitions. [2021-12-28 04:48:43,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:48:43,218 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 [2021-12-28 04:48:43,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:48:43,249 INFO L225 Difference]: With dead ends: 10597 [2021-12-28 04:48:43,249 INFO L226 Difference]: Without dead ends: 7125 [2021-12-28 04:48:43,263 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:48:43,266 INFO L933 BasicCegarLoop]: 2588 mSDtfsCounter, 3339 mSDsluCounter, 1820 mSDsCounter, 0 mSdLazyCounter, 2416 mSolverCounterSat, 1759 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3815 SdHoareTripleChecker+Valid, 4408 SdHoareTripleChecker+Invalid, 4175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1759 IncrementalHoareTripleChecker+Valid, 2416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:48:43,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3815 Valid, 4408 Invalid, 4175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1759 Valid, 2416 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-28 04:48:43,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7125 states. [2021-12-28 04:48:43,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7125 to 6926. [2021-12-28 04:48:43,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6926 states, 4584 states have (on average 1.2380017452006982) internal successors, (5675), 4724 states have internal predecessors, (5675), 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) [2021-12-28 04:48:43,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6926 states to 6926 states and 9618 transitions. [2021-12-28 04:48:43,487 INFO L78 Accepts]: Start accepts. Automaton has 6926 states and 9618 transitions. Word has length 148 [2021-12-28 04:48:43,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:48:43,488 INFO L470 AbstractCegarLoop]: Abstraction has 6926 states and 9618 transitions. [2021-12-28 04:48:43,488 INFO L471 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) [2021-12-28 04:48:43,489 INFO L276 IsEmpty]: Start isEmpty. Operand 6926 states and 9618 transitions. [2021-12-28 04:48:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-12-28 04:48:43,491 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:48:43,491 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:48:43,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:48:43,492 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:48:43,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:48:43,492 INFO L85 PathProgramCache]: Analyzing trace with hash 20671367, now seen corresponding path program 1 times [2021-12-28 04:48:43,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:48:43,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071067368] [2021-12-28 04:48:43,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:48:43,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:48:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:48:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:48:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:48:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:48:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:48:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:48:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:48:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:48:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:48:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:48:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:48:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-28 04:48:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:43,713 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-12-28 04:48:43,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:48:43,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071067368] [2021-12-28 04:48:43,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071067368] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:48:43,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:48:43,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:48:43,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500751913] [2021-12-28 04:48:43,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:48:43,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:48:43,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:48:43,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:48:43,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:48:43,715 INFO L87 Difference]: Start difference. First operand 6926 states and 9618 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) [2021-12-28 04:48:47,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:48:47,183 INFO L93 Difference]: Finished difference Result 19808 states and 27520 transitions. [2021-12-28 04:48:47,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:48:47,184 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 [2021-12-28 04:48:47,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:48:47,247 INFO L225 Difference]: With dead ends: 19808 [2021-12-28 04:48:47,247 INFO L226 Difference]: Without dead ends: 12907 [2021-12-28 04:48:47,278 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:48:47,280 INFO L933 BasicCegarLoop]: 2468 mSDtfsCounter, 2985 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 2444 mSolverCounterSat, 1731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3412 SdHoareTripleChecker+Valid, 4205 SdHoareTripleChecker+Invalid, 4175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1731 IncrementalHoareTripleChecker+Valid, 2444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:48:47,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3412 Valid, 4205 Invalid, 4175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1731 Valid, 2444 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-28 04:48:47,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12907 states. [2021-12-28 04:48:47,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12907 to 12450. [2021-12-28 04:48:47,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12450 states, 8176 states have (on average 1.236179060665362) internal successors, (10107), 8440 states have internal predecessors, (10107), 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) [2021-12-28 04:48:47,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12450 states to 12450 states and 17206 transitions. [2021-12-28 04:48:47,846 INFO L78 Accepts]: Start accepts. Automaton has 12450 states and 17206 transitions. Word has length 146 [2021-12-28 04:48:47,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:48:47,847 INFO L470 AbstractCegarLoop]: Abstraction has 12450 states and 17206 transitions. [2021-12-28 04:48:47,849 INFO L471 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) [2021-12-28 04:48:47,849 INFO L276 IsEmpty]: Start isEmpty. Operand 12450 states and 17206 transitions. [2021-12-28 04:48:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-28 04:48:47,852 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:48:47,852 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:48:47,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:48:47,853 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:48:47,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:48:47,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1165994526, now seen corresponding path program 1 times [2021-12-28 04:48:47,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:48:47,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109313521] [2021-12-28 04:48:47,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:48:47,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:48:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:48:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:47,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:48:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:48:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:48:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:48:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:48:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:48:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:48:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:48:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:48:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:48:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 04:48:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-12-28 04:48:48,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:48:48,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109313521] [2021-12-28 04:48:48,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109313521] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:48:48,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:48:48,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:48:48,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504005577] [2021-12-28 04:48:48,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:48:48,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:48:48,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:48:48,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:48:48,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:48:48,142 INFO L87 Difference]: Start difference. First operand 12450 states and 17206 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) [2021-12-28 04:48:54,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:48:54,527 INFO L93 Difference]: Finished difference Result 26191 states and 36038 transitions. [2021-12-28 04:48:54,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 04:48:54,527 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 [2021-12-28 04:48:54,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:48:54,589 INFO L225 Difference]: With dead ends: 26191 [2021-12-28 04:48:54,589 INFO L226 Difference]: Without dead ends: 13766 [2021-12-28 04:48:54,703 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:48:54,704 INFO L933 BasicCegarLoop]: 3899 mSDtfsCounter, 7254 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 6494 mSolverCounterSat, 4258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7958 SdHoareTripleChecker+Valid, 6674 SdHoareTripleChecker+Invalid, 10752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4258 IncrementalHoareTripleChecker+Valid, 6494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:48:54,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7958 Valid, 6674 Invalid, 10752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4258 Valid, 6494 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-12-28 04:48:54,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13766 states. [2021-12-28 04:48:54,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13766 to 13204. [2021-12-28 04:48:55,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13204 states, 8824 states have (on average 1.23175430643699) internal successors, (10869), 9102 states have internal predecessors, (10869), 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) [2021-12-28 04:48:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13204 states to 13204 states and 17929 transitions. [2021-12-28 04:48:55,049 INFO L78 Accepts]: Start accepts. Automaton has 13204 states and 17929 transitions. Word has length 150 [2021-12-28 04:48:55,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:48:55,050 INFO L470 AbstractCegarLoop]: Abstraction has 13204 states and 17929 transitions. [2021-12-28 04:48:55,050 INFO L471 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) [2021-12-28 04:48:55,050 INFO L276 IsEmpty]: Start isEmpty. Operand 13204 states and 17929 transitions. [2021-12-28 04:48:55,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-12-28 04:48:55,052 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:48:55,052 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:48:55,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:48:55,053 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:48:55,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:48:55,053 INFO L85 PathProgramCache]: Analyzing trace with hash 493196890, now seen corresponding path program 1 times [2021-12-28 04:48:55,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:48:55,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712036739] [2021-12-28 04:48:55,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:48:55,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:48:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:48:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:48:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:48:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:48:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:48:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:48:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:48:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:48:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:48:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:48:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:48:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 04:48:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:48:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 04:48:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:48:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:48:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 04:48:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 04:48:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2021-12-28 04:48:55,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:48:55,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712036739] [2021-12-28 04:48:55,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712036739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:48:55,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:48:55,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:48:55,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887439390] [2021-12-28 04:48:55,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:48:55,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:48:55,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:48:55,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:48:55,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:48:55,264 INFO L87 Difference]: Start difference. First operand 13204 states and 17929 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) [2021-12-28 04:48:58,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:48:58,807 INFO L93 Difference]: Finished difference Result 39931 states and 54448 transitions. [2021-12-28 04:48:58,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:48:58,808 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 [2021-12-28 04:48:58,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:48:58,910 INFO L225 Difference]: With dead ends: 39931 [2021-12-28 04:48:58,911 INFO L226 Difference]: Without dead ends: 26809 [2021-12-28 04:48:58,956 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:48:58,957 INFO L933 BasicCegarLoop]: 2594 mSDtfsCounter, 3348 mSDsluCounter, 1847 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 1768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3834 SdHoareTripleChecker+Valid, 4441 SdHoareTripleChecker+Invalid, 4220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1768 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:48:58,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3834 Valid, 4441 Invalid, 4220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1768 Valid, 2452 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-28 04:48:58,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26809 states. [2021-12-28 04:48:59,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26809 to 25791. [2021-12-28 04:48:59,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25791 states, 17244 states have (on average 1.2332405474367896) internal successors, (21266), 17766 states have internal predecessors, (21266), 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) [2021-12-28 04:48:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25791 states to 25791 states and 35047 transitions. [2021-12-28 04:48:59,948 INFO L78 Accepts]: Start accepts. Automaton has 25791 states and 35047 transitions. Word has length 186 [2021-12-28 04:48:59,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:48:59,950 INFO L470 AbstractCegarLoop]: Abstraction has 25791 states and 35047 transitions. [2021-12-28 04:48:59,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (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) [2021-12-28 04:48:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 25791 states and 35047 transitions. [2021-12-28 04:48:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-12-28 04:48:59,952 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:48:59,952 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:48:59,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:48:59,953 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:48:59,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:48:59,953 INFO L85 PathProgramCache]: Analyzing trace with hash 915898716, now seen corresponding path program 1 times [2021-12-28 04:48:59,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:48:59,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801656200] [2021-12-28 04:48:59,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:48:59,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:48:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:49:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:49:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:49:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:49:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:49:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:49:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:49:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:49:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:49:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:49:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:49:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 04:49:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:49:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 04:49:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:49:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:49:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 04:49:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 04:49:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:00,398 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2021-12-28 04:49:00,398 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:49:00,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801656200] [2021-12-28 04:49:00,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801656200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:49:00,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:49:00,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:49:00,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440274998] [2021-12-28 04:49:00,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:49:00,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:49:00,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:49:00,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:49:00,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:49:00,401 INFO L87 Difference]: Start difference. First operand 25791 states and 35047 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) [2021-12-28 04:49:03,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:49:03,438 INFO L93 Difference]: Finished difference Result 26793 states and 36582 transitions. [2021-12-28 04:49:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:49:03,439 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 [2021-12-28 04:49:03,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:49:03,552 INFO L225 Difference]: With dead ends: 26793 [2021-12-28 04:49:03,552 INFO L226 Difference]: Without dead ends: 26791 [2021-12-28 04:49:03,571 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:49:03,572 INFO L933 BasicCegarLoop]: 2235 mSDtfsCounter, 2596 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 3315 mSolverCounterSat, 1277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2844 SdHoareTripleChecker+Valid, 5153 SdHoareTripleChecker+Invalid, 4592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1277 IncrementalHoareTripleChecker+Valid, 3315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-28 04:49:03,572 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2844 Valid, 5153 Invalid, 4592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1277 Valid, 3315 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-28 04:49:03,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26791 states. [2021-12-28 04:49:04,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26791 to 25795. [2021-12-28 04:49:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25795 states, 17247 states have (on average 1.2331999768075608) internal successors, (21269), 17769 states have internal predecessors, (21269), 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) [2021-12-28 04:49:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25795 states to 25795 states and 35050 transitions. [2021-12-28 04:49:04,407 INFO L78 Accepts]: Start accepts. Automaton has 25795 states and 35050 transitions. Word has length 186 [2021-12-28 04:49:04,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:49:04,408 INFO L470 AbstractCegarLoop]: Abstraction has 25795 states and 35050 transitions. [2021-12-28 04:49:04,408 INFO L471 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) [2021-12-28 04:49:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 25795 states and 35050 transitions. [2021-12-28 04:49:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-28 04:49:04,409 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:49:04,410 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:49:04,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:49:04,410 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:49:04,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:49:04,411 INFO L85 PathProgramCache]: Analyzing trace with hash -920104656, now seen corresponding path program 1 times [2021-12-28 04:49:04,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:49:04,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908853602] [2021-12-28 04:49:04,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:49:04,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:49:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:49:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:49:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:49:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:49:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:49:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:49:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:49:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:49:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:49:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:49:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:49:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 04:49:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:49:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 04:49:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:49:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:49:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 04:49:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 04:49:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:49:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2021-12-28 04:49:04,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:49:04,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908853602] [2021-12-28 04:49:04,728 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908853602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:49:04,728 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:49:04,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:49:04,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182046665] [2021-12-28 04:49:04,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:49:04,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:49:04,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:49:04,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:49:04,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:49:04,729 INFO L87 Difference]: Start difference. First operand 25795 states and 35050 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) [2021-12-28 04:49:08,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:49:08,186 INFO L93 Difference]: Finished difference Result 26797 states and 36585 transitions. [2021-12-28 04:49:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:49:08,195 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 [2021-12-28 04:49:08,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:49:08,308 INFO L225 Difference]: With dead ends: 26797 [2021-12-28 04:49:08,309 INFO L226 Difference]: Without dead ends: 26795 [2021-12-28 04:49:08,329 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:49:08,330 INFO L933 BasicCegarLoop]: 2238 mSDtfsCounter, 2588 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 3315 mSolverCounterSat, 1276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 5156 SdHoareTripleChecker+Invalid, 4591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1276 IncrementalHoareTripleChecker+Valid, 3315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:49:08,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2836 Valid, 5156 Invalid, 4591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1276 Valid, 3315 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-28 04:49:08,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26795 states. [2021-12-28 04:49:09,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26795 to 25799. [2021-12-28 04:49:09,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25799 states, 17250 states have (on average 1.233159420289855) internal successors, (21272), 17772 states have internal predecessors, (21272), 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) [2021-12-28 04:49:09,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25799 states to 25799 states and 35053 transitions. [2021-12-28 04:49:09,372 INFO L78 Accepts]: Start accepts. Automaton has 25799 states and 35053 transitions. Word has length 191 [2021-12-28 04:49:09,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:49:09,373 INFO L470 AbstractCegarLoop]: Abstraction has 25799 states and 35053 transitions. [2021-12-28 04:49:09,373 INFO L471 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) [2021-12-28 04:49:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 25799 states and 35053 transitions. [2021-12-28 04:49:09,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-28 04:49:09,375 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:49:09,375 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:49:09,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 04:49:09,375 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:49:09,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:49:09,376 INFO L85 PathProgramCache]: Analyzing trace with hash -173974116, now seen corresponding path program 1 times [2021-12-28 04:49:09,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:49:09,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491146792] [2021-12-28 04:49:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:49:09,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:49:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:49:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:49:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:49:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:49:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:49:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:49:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:49:09,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:49:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:49:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:49:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:49:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 04:49:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:49:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 04:49:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:49:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:49:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 04:49:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 04:49:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:49:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-28 04:49:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2021-12-28 04:49:09,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:49:09,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491146792] [2021-12-28 04:49:09,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491146792] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:49:09,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:49:09,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:49:09,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505633255] [2021-12-28 04:49:09,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:49:09,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:49:09,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:49:09,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:49:09,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:49:09,670 INFO L87 Difference]: Start difference. First operand 25799 states and 35053 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) [2021-12-28 04:49:13,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:49:13,115 INFO L93 Difference]: Finished difference Result 26801 states and 36588 transitions. [2021-12-28 04:49:13,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:49:13,116 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 [2021-12-28 04:49:13,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:49:13,222 INFO L225 Difference]: With dead ends: 26801 [2021-12-28 04:49:13,223 INFO L226 Difference]: Without dead ends: 26799 [2021-12-28 04:49:13,241 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:49:13,242 INFO L933 BasicCegarLoop]: 2239 mSDtfsCounter, 2588 mSDsluCounter, 2921 mSDsCounter, 0 mSdLazyCounter, 3315 mSolverCounterSat, 1275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2835 SdHoareTripleChecker+Valid, 5160 SdHoareTripleChecker+Invalid, 4590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1275 IncrementalHoareTripleChecker+Valid, 3315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:49:13,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2835 Valid, 5160 Invalid, 4590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1275 Valid, 3315 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-28 04:49:13,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26799 states. [2021-12-28 04:49:13,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26799 to 25803. [2021-12-28 04:49:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25803 states, 17253 states have (on average 1.2331188778763114) internal successors, (21275), 17775 states have internal predecessors, (21275), 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) [2021-12-28 04:49:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25803 states to 25803 states and 35056 transitions. [2021-12-28 04:49:14,093 INFO L78 Accepts]: Start accepts. Automaton has 25803 states and 35056 transitions. Word has length 196 [2021-12-28 04:49:14,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:49:14,093 INFO L470 AbstractCegarLoop]: Abstraction has 25803 states and 35056 transitions. [2021-12-28 04:49:14,093 INFO L471 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) [2021-12-28 04:49:14,093 INFO L276 IsEmpty]: Start isEmpty. Operand 25803 states and 35056 transitions. [2021-12-28 04:49:14,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-28 04:49:14,096 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:49:14,096 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:49:14,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-28 04:49:14,096 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:49:14,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:49:14,097 INFO L85 PathProgramCache]: Analyzing trace with hash -547861392, now seen corresponding path program 1 times [2021-12-28 04:49:14,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:49:14,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873891412] [2021-12-28 04:49:14,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:49:14,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:49:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:49:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:49:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:49:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:49:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:49:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:49:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:49:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:49:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:49:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:49:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:49:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 04:49:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:49:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 04:49:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:49:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:49:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 04:49:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 04:49:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:49:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-28 04:49:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:49:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2021-12-28 04:49:14,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:49:14,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873891412] [2021-12-28 04:49:14,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873891412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:49:14,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:49:14,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:49:14,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441107846] [2021-12-28 04:49:14,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:49:14,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:49:14,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:49:14,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:49:14,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:49:14,588 INFO L87 Difference]: Start difference. First operand 25803 states and 35056 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) [2021-12-28 04:49:17,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:49:17,956 INFO L93 Difference]: Finished difference Result 26805 states and 36591 transitions. [2021-12-28 04:49:17,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:49:17,956 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 [2021-12-28 04:49:17,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:49:18,057 INFO L225 Difference]: With dead ends: 26805 [2021-12-28 04:49:18,058 INFO L226 Difference]: Without dead ends: 26803 [2021-12-28 04:49:18,074 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:49:18,074 INFO L933 BasicCegarLoop]: 2238 mSDtfsCounter, 2588 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 3315 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 5156 SdHoareTripleChecker+Invalid, 4589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 3315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:49:18,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2836 Valid, 5156 Invalid, 4589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 3315 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-28 04:49:18,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26803 states. [2021-12-28 04:49:18,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26803 to 25807. [2021-12-28 04:49:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25807 states, 17256 states have (on average 1.2330783495595734) internal successors, (21278), 17778 states have internal predecessors, (21278), 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) [2021-12-28 04:49:19,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25807 states to 25807 states and 35059 transitions. [2021-12-28 04:49:19,020 INFO L78 Accepts]: Start accepts. Automaton has 25807 states and 35059 transitions. Word has length 201 [2021-12-28 04:49:19,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:49:19,021 INFO L470 AbstractCegarLoop]: Abstraction has 25807 states and 35059 transitions. [2021-12-28 04:49:19,021 INFO L471 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) [2021-12-28 04:49:19,021 INFO L276 IsEmpty]: Start isEmpty. Operand 25807 states and 35059 transitions. [2021-12-28 04:49:19,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-28 04:49:19,023 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:49:19,024 INFO L514 BasicCegarLoop]: 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] [2021-12-28 04:49:19,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-28 04:49:19,024 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:49:19,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:49:19,024 INFO L85 PathProgramCache]: Analyzing trace with hash 581343708, now seen corresponding path program 1 times [2021-12-28 04:49:19,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:49:19,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992018925] [2021-12-28 04:49:19,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:49:19,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:49:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:49:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:49:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:49:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:49:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:49:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:49:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:49:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:49:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:49:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:49:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:49:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 04:49:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-28 04:49:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 04:49:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-28 04:49:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-28 04:49:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 04:49:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-28 04:49:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:49:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-28 04:49:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:49:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-28 04:49:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2021-12-28 04:49:19,278 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:49:19,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992018925] [2021-12-28 04:49:19,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992018925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:49:19,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:49:19,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:49:19,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788015335] [2021-12-28 04:49:19,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:49:19,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:49:19,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:49:19,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:49:19,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:49:19,280 INFO L87 Difference]: Start difference. First operand 25807 states and 35059 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) [2021-12-28 04:49:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:49:22,903 INFO L93 Difference]: Finished difference Result 26809 states and 36594 transitions. [2021-12-28 04:49:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:49:22,903 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 [2021-12-28 04:49:22,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:49:22,999 INFO L225 Difference]: With dead ends: 26809 [2021-12-28 04:49:23,000 INFO L226 Difference]: Without dead ends: 26807 [2021-12-28 04:49:23,017 INFO L932 BasicCegarLoop]: 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 [2021-12-28 04:49:23,017 INFO L933 BasicCegarLoop]: 2238 mSDtfsCounter, 2588 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 3315 mSolverCounterSat, 1273 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2836 SdHoareTripleChecker+Valid, 5156 SdHoareTripleChecker+Invalid, 4588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1273 IncrementalHoareTripleChecker+Valid, 3315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:49:23,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2836 Valid, 5156 Invalid, 4588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1273 Valid, 3315 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-28 04:49:23,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26807 states. [2021-12-28 04:49:23,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26807 to 25811. [2021-12-28 04:49:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25811 states, 17259 states have (on average 1.2330378353322904) internal successors, (21281), 17781 states have internal predecessors, (21281), 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)