./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-realtek-8139cp.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.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 bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:21:52,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:21:52,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:21:52,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:21:52,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:21:52,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:21:52,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:21:52,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:21:52,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:21:52,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:21:52,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:21:52,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:21:52,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:21:52,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:21:52,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:21:52,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:21:52,773 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:21:52,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:21:52,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:21:52,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:21:52,781 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:21:52,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:21:52,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:21:52,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:21:52,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:21:52,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:21:52,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:21:52,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:21:52,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:21:52,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:21:52,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:21:52,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:21:52,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:21:52,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:21:52,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:21:52,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:21:52,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:21:52,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:21:52,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:21:52,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:21:52,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:21:52,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:21:52,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:21:52,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:21:52,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:21:52,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:21:52,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:21:52,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:21:52,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:21:52,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:21:52,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:21:52,830 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:21:52,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:21:52,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:21:52,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:21:52,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:21:52,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:21:52,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:21:52,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:21:52,831 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:21:52,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:21:52,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:21:52,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:21:52,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:21:52,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:21:52,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:21:52,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:21:52,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:21:52,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:21:52,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:21:52,833 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:21:52,833 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:21:52,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:21:52,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e [2022-07-20 02:21:53,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:21:53,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:21:53,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:21:53,044 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:21:53,045 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:21:53,046 INFO L432 ainManager$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-realtek-8139cp.cil.i [2022-07-20 02:21:53,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9375c6b4/40e3535ae9dd4042a6b6be1e82906490/FLAG43f91494a [2022-07-20 02:21:53,726 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:21:53,727 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-realtek-8139cp.cil.i [2022-07-20 02:21:53,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9375c6b4/40e3535ae9dd4042a6b6be1e82906490/FLAG43f91494a [2022-07-20 02:21:53,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9375c6b4/40e3535ae9dd4042a6b6be1e82906490 [2022-07-20 02:21:53,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:21:53,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:21:53,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:21:53,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:21:53,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:21:53,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:21:53" (1/1) ... [2022-07-20 02:21:53,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7cab40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:53, skipping insertion in model container [2022-07-20 02:21:53,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:21:53" (1/1) ... [2022-07-20 02:21:53,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:21:53,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:21:56,762 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-realtek-8139cp.cil.i[387186,387199] [2022-07-20 02:21:56,764 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-realtek-8139cp.cil.i[387355,387368] [2022-07-20 02:21:56,765 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-realtek-8139cp.cil.i[387522,387535] [2022-07-20 02:21:56,765 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-realtek-8139cp.cil.i[387690,387703] [2022-07-20 02:21:56,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:21:56,815 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:21:57,049 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-realtek-8139cp.cil.i[387186,387199] [2022-07-20 02:21:57,050 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-realtek-8139cp.cil.i[387355,387368] [2022-07-20 02:21:57,050 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-realtek-8139cp.cil.i[387522,387535] [2022-07-20 02:21:57,051 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-realtek-8139cp.cil.i[387690,387703] [2022-07-20 02:21:57,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:21:57,237 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:21:57,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57 WrapperNode [2022-07-20 02:21:57,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:21:57,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:21:57,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:21:57,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:21:57,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57" (1/1) ... [2022-07-20 02:21:57,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57" (1/1) ... [2022-07-20 02:21:57,518 INFO L137 Inliner]: procedures = 541, calls = 2424, calls flagged for inlining = 273, calls inlined = 244, statements flattened = 5828 [2022-07-20 02:21:57,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:21:57,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:21:57,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:21:57,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:21:57,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57" (1/1) ... [2022-07-20 02:21:57,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57" (1/1) ... [2022-07-20 02:21:57,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57" (1/1) ... [2022-07-20 02:21:57,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57" (1/1) ... [2022-07-20 02:21:57,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57" (1/1) ... [2022-07-20 02:21:57,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57" (1/1) ... [2022-07-20 02:21:57,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57" (1/1) ... [2022-07-20 02:21:57,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:21:57,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:21:57,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:21:57,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:21:57,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57" (1/1) ... [2022-07-20 02:21:57,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:21:57,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:21:57,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 02:21:57,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 02:21:57,817 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2022-07-20 02:21:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2022-07-20 02:21:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 02:21:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 02:21:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:21:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:21:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 02:21:57,818 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 02:21:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:21:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:21:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2022-07-20 02:21:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2022-07-20 02:21:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:21:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:21:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2022-07-20 02:21:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2022-07-20 02:21:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:21:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:21:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 02:21:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 02:21:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2022-07-20 02:21:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2022-07-20 02:21:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 02:21:57,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 02:21:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:21:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:21:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:21:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:21:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 02:21:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 02:21:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:21:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:21:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:21:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:21:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:21:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 02:21:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 02:21:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2022-07-20 02:21:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2022-07-20 02:21:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2022-07-20 02:21:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2022-07-20 02:21:57,822 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:21:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:21:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-20 02:21:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-20 02:21:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 02:21:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:21:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:21:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2022-07-20 02:21:57,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2022-07-20 02:21:57,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 02:21:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:21:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:21:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 02:21:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:21:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:21:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2022-07-20 02:21:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2022-07-20 02:21:57,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:21:57,824 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:21:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:21:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:21:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-20 02:21:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-20 02:21:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:21:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:21:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-20 02:21:57,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-20 02:21:57,825 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2022-07-20 02:21:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2022-07-20 02:21:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:21:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:21:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:21:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:21:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:21:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2022-07-20 02:21:57,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2022-07-20 02:21:57,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:21:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:21:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:21:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:21:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-20 02:21:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-20 02:21:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:21:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:21:57,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:21:57,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:21:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2022-07-20 02:21:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2022-07-20 02:21:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:21:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:21:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 02:21:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 02:21:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-20 02:21:57,828 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-20 02:21:57,828 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:21:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:21:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2022-07-20 02:21:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2022-07-20 02:21:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:21:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:21:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-20 02:21:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-20 02:21:57,829 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 02:21:57,829 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 02:21:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:21:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:21:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2022-07-20 02:21:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2022-07-20 02:21:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-20 02:21:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-20 02:21:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-20 02:21:57,830 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-20 02:21:57,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:21:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:21:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2022-07-20 02:21:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2022-07-20 02:21:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2022-07-20 02:21:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2022-07-20 02:21:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:21:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:21:57,831 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:21:57,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:21:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2022-07-20 02:21:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2022-07-20 02:21:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:21:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:21:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 02:21:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 02:21:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2022-07-20 02:21:57,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2022-07-20 02:21:57,832 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2022-07-20 02:21:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2022-07-20 02:21:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-20 02:21:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-20 02:21:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:21:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:21:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:21:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:21:57,833 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-20 02:21:57,833 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-20 02:21:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-20 02:21:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-20 02:21:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-20 02:21:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-20 02:21:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2022-07-20 02:21:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2022-07-20 02:21:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 02:21:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 02:21:57,834 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-07-20 02:21:57,834 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-07-20 02:21:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 02:21:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 02:21:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:21:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 02:21:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 02:21:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:21:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2022-07-20 02:21:57,835 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2022-07-20 02:21:57,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-20 02:21:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-20 02:21:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2022-07-20 02:21:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2022-07-20 02:21:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-20 02:21:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-20 02:21:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2022-07-20 02:21:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2022-07-20 02:21:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2022-07-20 02:21:57,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2022-07-20 02:21:57,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:21:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-20 02:21:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-20 02:21:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 02:21:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 02:21:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 02:21:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 02:21:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:21:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:21:57,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:21:57,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:21:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2022-07-20 02:21:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2022-07-20 02:21:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2022-07-20 02:21:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2022-07-20 02:21:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 02:21:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 02:21:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:21:57,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:21:57,838 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:21:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:21:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2022-07-20 02:21:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2022-07-20 02:21:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:21:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:21:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2022-07-20 02:21:57,839 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2022-07-20 02:21:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 02:21:57,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:21:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:21:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2022-07-20 02:21:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2022-07-20 02:21:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 02:21:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 02:21:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2022-07-20 02:21:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2022-07-20 02:21:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:21:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:21:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2022-07-20 02:21:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2022-07-20 02:21:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-20 02:21:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-20 02:21:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2022-07-20 02:21:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2022-07-20 02:21:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 02:21:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 02:21:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-20 02:21:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-20 02:21:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-20 02:21:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-20 02:21:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 02:21:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 02:21:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 02:21:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2022-07-20 02:21:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2022-07-20 02:21:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:21:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:21:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-20 02:21:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-20 02:21:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2022-07-20 02:21:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2022-07-20 02:21:58,621 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:21:58,623 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:21:58,751 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:22:39,682 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:22:39,876 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:22:39,906 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:22:39,907 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 02:22:39,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:22:39 BoogieIcfgContainer [2022-07-20 02:22:39,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:22:39,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:22:39,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:22:39,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:22:39,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:21:53" (1/3) ... [2022-07-20 02:22:39,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2a8517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:22:39, skipping insertion in model container [2022-07-20 02:22:39,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:21:57" (2/3) ... [2022-07-20 02:22:39,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2a8517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:22:39, skipping insertion in model container [2022-07-20 02:22:39,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:22:39" (3/3) ... [2022-07-20 02:22:39,917 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2022-07-20 02:22:39,928 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:22:39,928 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 02:22:39,989 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:22:39,994 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@ef852b8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@fb87efe [2022-07-20 02:22:39,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 02:22:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand has 2129 states, 1458 states have (on average 1.2908093278463648) internal successors, (1882), 1481 states have internal predecessors, (1882), 562 states have call successors, (562), 107 states have call predecessors, (562), 106 states have return successors, (557), 553 states have call predecessors, (557), 557 states have call successors, (557) [2022-07-20 02:22:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-07-20 02:22:40,016 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:40,017 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:40,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:22:40,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:40,021 INFO L85 PathProgramCache]: Analyzing trace with hash 745936290, now seen corresponding path program 1 times [2022-07-20 02:22:40,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:40,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896388409] [2022-07-20 02:22:40,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:40,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:40,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:22:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:22:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:22:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:22:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:22:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:22:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:22:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:22:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:22:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:41,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-07-20 02:22:41,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:41,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896388409] [2022-07-20 02:22:41,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896388409] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:41,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:41,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:22:41,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579001449] [2022-07-20 02:22:41,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:41,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:22:41,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:41,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:22:41,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:22:41,152 INFO L87 Difference]: Start difference. First operand has 2129 states, 1458 states have (on average 1.2908093278463648) internal successors, (1882), 1481 states have internal predecessors, (1882), 562 states have call successors, (562), 107 states have call predecessors, (562), 106 states have return successors, (557), 553 states have call predecessors, (557), 557 states have call successors, (557) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:22:43,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:22:45,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:22:58,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:58,042 INFO L93 Difference]: Finished difference Result 6316 states and 9134 transitions. [2022-07-20 02:22:58,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:22:58,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 200 [2022-07-20 02:22:58,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:58,083 INFO L225 Difference]: With dead ends: 6316 [2022-07-20 02:22:58,083 INFO L226 Difference]: Without dead ends: 4212 [2022-07-20 02:22:58,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:22:58,099 INFO L413 NwaCegarLoop]: 3118 mSDtfsCounter, 3430 mSDsluCounter, 2923 mSDsCounter, 0 mSdLazyCounter, 2307 mSolverCounterSat, 1607 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3933 SdHoareTripleChecker+Valid, 6041 SdHoareTripleChecker+Invalid, 3916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1607 IncrementalHoareTripleChecker+Valid, 2307 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:22:58,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3933 Valid, 6041 Invalid, 3916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1607 Valid, 2307 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2022-07-20 02:22:58,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4212 states. [2022-07-20 02:22:58,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4212 to 4128. [2022-07-20 02:22:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4128 states, 2846 states have (on average 1.2431482782853127) internal successors, (3538), 2890 states have internal predecessors, (3538), 1070 states have call successors, (1070), 210 states have call predecessors, (1070), 209 states have return successors, (1067), 1059 states have call predecessors, (1067), 1067 states have call successors, (1067) [2022-07-20 02:22:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4128 states to 4128 states and 5675 transitions. [2022-07-20 02:22:58,300 INFO L78 Accepts]: Start accepts. Automaton has 4128 states and 5675 transitions. Word has length 200 [2022-07-20 02:22:58,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:58,302 INFO L495 AbstractCegarLoop]: Abstraction has 4128 states and 5675 transitions. [2022-07-20 02:22:58,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:22:58,303 INFO L276 IsEmpty]: Start isEmpty. Operand 4128 states and 5675 transitions. [2022-07-20 02:22:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-07-20 02:22:58,314 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:58,316 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:22:58,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 02:22:58,317 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:22:58,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:58,317 INFO L85 PathProgramCache]: Analyzing trace with hash -652952373, now seen corresponding path program 1 times [2022-07-20 02:22:58,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:22:58,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112772450] [2022-07-20 02:22:58,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:58,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:22:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:22:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:22:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:22:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:22:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:22:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:22:58,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:22:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:22:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:22:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:22:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:22:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:22:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:22:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:22:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:22:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:22:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:22:58,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:22:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 02:22:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 02:22:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-07-20 02:22:58,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:22:58,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112772450] [2022-07-20 02:22:59,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112772450] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:59,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:59,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:22:59,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769524005] [2022-07-20 02:22:59,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:59,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:22:59,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:22:59,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:22:59,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:22:59,005 INFO L87 Difference]: Start difference. First operand 4128 states and 5675 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-20 02:23:01,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:23:03,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:23:17,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:17,769 INFO L93 Difference]: Finished difference Result 12364 states and 17057 transitions. [2022-07-20 02:23:17,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:23:17,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 212 [2022-07-20 02:23:17,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:17,814 INFO L225 Difference]: With dead ends: 12364 [2022-07-20 02:23:17,814 INFO L226 Difference]: Without dead ends: 8273 [2022-07-20 02:23:17,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:23:17,832 INFO L413 NwaCegarLoop]: 3108 mSDtfsCounter, 3421 mSDsluCounter, 2897 mSDsCounter, 0 mSdLazyCounter, 2308 mSolverCounterSat, 1652 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3924 SdHoareTripleChecker+Valid, 6005 SdHoareTripleChecker+Invalid, 3962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1652 IncrementalHoareTripleChecker+Valid, 2308 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:17,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3924 Valid, 6005 Invalid, 3962 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1652 Valid, 2308 Invalid, 2 Unknown, 0 Unchecked, 18.2s Time] [2022-07-20 02:23:17,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8273 states. [2022-07-20 02:23:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8273 to 8151. [2022-07-20 02:23:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8151 states, 5628 states have (on average 1.2450248756218905) internal successors, (7007), 5726 states have internal predecessors, (7007), 2097 states have call successors, (2097), 418 states have call predecessors, (2097), 423 states have return successors, (2126), 2072 states have call predecessors, (2126), 2094 states have call successors, (2126) [2022-07-20 02:23:18,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8151 states to 8151 states and 11230 transitions. [2022-07-20 02:23:18,071 INFO L78 Accepts]: Start accepts. Automaton has 8151 states and 11230 transitions. Word has length 212 [2022-07-20 02:23:18,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:18,072 INFO L495 AbstractCegarLoop]: Abstraction has 8151 states and 11230 transitions. [2022-07-20 02:23:18,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-20 02:23:18,073 INFO L276 IsEmpty]: Start isEmpty. Operand 8151 states and 11230 transitions. [2022-07-20 02:23:18,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-07-20 02:23:18,075 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:18,075 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:23:18,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 02:23:18,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:23:18,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:18,076 INFO L85 PathProgramCache]: Analyzing trace with hash 535017786, now seen corresponding path program 1 times [2022-07-20 02:23:18,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:18,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450770065] [2022-07-20 02:23:18,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:18,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:23:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:23:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:23:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:23:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:23:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:23:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:23:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:23:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 02:23:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-07-20 02:23:18,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:18,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450770065] [2022-07-20 02:23:18,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450770065] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:18,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:18,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:23:18,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313491350] [2022-07-20 02:23:18,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:18,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:23:18,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:18,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:23:18,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:23:18,635 INFO L87 Difference]: Start difference. First operand 8151 states and 11230 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:23:20,673 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:23:22,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:23:35,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:23:35,825 INFO L93 Difference]: Finished difference Result 21655 states and 29666 transitions. [2022-07-20 02:23:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:23:35,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 212 [2022-07-20 02:23:35,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:23:35,898 INFO L225 Difference]: With dead ends: 21655 [2022-07-20 02:23:35,898 INFO L226 Difference]: Without dead ends: 13541 [2022-07-20 02:23:35,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:23:35,932 INFO L413 NwaCegarLoop]: 2942 mSDtfsCounter, 2442 mSDsluCounter, 2827 mSDsCounter, 0 mSdLazyCounter, 2244 mSolverCounterSat, 1456 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2801 SdHoareTripleChecker+Valid, 5769 SdHoareTripleChecker+Invalid, 3702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1456 IncrementalHoareTripleChecker+Valid, 2244 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:23:35,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2801 Valid, 5769 Invalid, 3702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1456 Valid, 2244 Invalid, 2 Unknown, 0 Unchecked, 16.6s Time] [2022-07-20 02:23:35,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13541 states. [2022-07-20 02:23:36,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13541 to 13257. [2022-07-20 02:23:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13257 states, 9010 states have (on average 1.2309655937846837) internal successors, (11091), 9184 states have internal predecessors, (11091), 3447 states have call successors, (3447), 798 states have call predecessors, (3447), 797 states have return successors, (3482), 3384 states have call predecessors, (3482), 3444 states have call successors, (3482) [2022-07-20 02:23:36,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13257 states to 13257 states and 18020 transitions. [2022-07-20 02:23:36,413 INFO L78 Accepts]: Start accepts. Automaton has 13257 states and 18020 transitions. Word has length 212 [2022-07-20 02:23:36,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:23:36,414 INFO L495 AbstractCegarLoop]: Abstraction has 13257 states and 18020 transitions. [2022-07-20 02:23:36,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:23:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 13257 states and 18020 transitions. [2022-07-20 02:23:36,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-07-20 02:23:36,418 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:23:36,419 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:23:36,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 02:23:36,419 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:23:36,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:23:36,420 INFO L85 PathProgramCache]: Analyzing trace with hash -911661048, now seen corresponding path program 1 times [2022-07-20 02:23:36,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:23:36,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155001512] [2022-07-20 02:23:36,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:23:36,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:23:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:23:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:23:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:23:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:23:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:23:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:23:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:23:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:23:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:23:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:23:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:23:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:23:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:23:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:23:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:23:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:23:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:23:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:23:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 02:23:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:23:37,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-07-20 02:23:37,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:23:37,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155001512] [2022-07-20 02:23:37,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155001512] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:23:37,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:23:37,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:23:37,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528827738] [2022-07-20 02:23:37,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:23:37,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:23:37,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:23:37,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:23:37,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:23:37,240 INFO L87 Difference]: Start difference. First operand 13257 states and 18020 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:23:39,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:23:41,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:24:12,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:24:12,349 INFO L93 Difference]: Finished difference Result 28477 states and 38653 transitions. [2022-07-20 02:24:12,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:24:12,350 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 213 [2022-07-20 02:24:12,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:24:12,412 INFO L225 Difference]: With dead ends: 28477 [2022-07-20 02:24:12,413 INFO L226 Difference]: Without dead ends: 15257 [2022-07-20 02:24:12,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:24:12,456 INFO L413 NwaCegarLoop]: 4875 mSDtfsCounter, 7965 mSDsluCounter, 4634 mSDsCounter, 0 mSdLazyCounter, 5648 mSolverCounterSat, 3818 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8905 SdHoareTripleChecker+Valid, 9509 SdHoareTripleChecker+Invalid, 9468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3818 IncrementalHoareTripleChecker+Valid, 5648 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:24:12,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8905 Valid, 9509 Invalid, 9468 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3818 Valid, 5648 Invalid, 2 Unknown, 0 Unchecked, 34.1s Time] [2022-07-20 02:24:12,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15257 states. [2022-07-20 02:24:12,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15257 to 14863. [2022-07-20 02:24:12,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14863 states, 10251 states have (on average 1.227294898058726) internal successors, (12581), 10426 states have internal predecessors, (12581), 3699 states have call successors, (3699), 915 states have call predecessors, (3699), 910 states have return successors, (3714), 3633 states have call predecessors, (3714), 3696 states have call successors, (3714) [2022-07-20 02:24:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14863 states to 14863 states and 19994 transitions. [2022-07-20 02:24:12,911 INFO L78 Accepts]: Start accepts. Automaton has 14863 states and 19994 transitions. Word has length 213 [2022-07-20 02:24:12,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:24:12,912 INFO L495 AbstractCegarLoop]: Abstraction has 14863 states and 19994 transitions. [2022-07-20 02:24:12,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 02:24:12,912 INFO L276 IsEmpty]: Start isEmpty. Operand 14863 states and 19994 transitions. [2022-07-20 02:24:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-07-20 02:24:12,914 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:24:12,914 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:24:12,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 02:24:12,915 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:24:12,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:24:12,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1354900825, now seen corresponding path program 1 times [2022-07-20 02:24:12,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:24:12,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004299232] [2022-07-20 02:24:12,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:24:12,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:24:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:24:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:24:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:24:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:24:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:24:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:24:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:24:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:24:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:24:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:24:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:24:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:24:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:24:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:24:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:24:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:24:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:24:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 02:24:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 02:24:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 02:24:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:24:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 02:24:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 02:24:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:24:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2022-07-20 02:24:13,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:24:13,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004299232] [2022-07-20 02:24:13,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004299232] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:24:13,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:24:13,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:24:13,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247326269] [2022-07-20 02:24:13,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:24:13,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:24:13,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:24:13,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:24:13,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:24:13,468 INFO L87 Difference]: Start difference. First operand 14863 states and 19994 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 02:24:15,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:24:17,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:24:31,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:24:31,243 INFO L93 Difference]: Finished difference Result 44568 states and 60125 transitions. [2022-07-20 02:24:31,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:24:31,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 252 [2022-07-20 02:24:31,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:24:31,373 INFO L225 Difference]: With dead ends: 44568 [2022-07-20 02:24:31,374 INFO L226 Difference]: Without dead ends: 29783 [2022-07-20 02:24:31,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:24:31,431 INFO L413 NwaCegarLoop]: 3330 mSDtfsCounter, 3400 mSDsluCounter, 3115 mSDsCounter, 0 mSdLazyCounter, 2308 mSolverCounterSat, 1610 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3898 SdHoareTripleChecker+Valid, 6445 SdHoareTripleChecker+Invalid, 3920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1610 IncrementalHoareTripleChecker+Valid, 2308 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:24:31,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3898 Valid, 6445 Invalid, 3920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1610 Valid, 2308 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2022-07-20 02:24:31,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29783 states. [2022-07-20 02:24:32,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29783 to 29110. [2022-07-20 02:24:32,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29110 states, 20104 states have (on average 1.2286112216474334) internal successors, (24700), 20420 states have internal predecessors, (24700), 7220 states have call successors, (7220), 1792 states have call predecessors, (7220), 1783 states have return successors, (7253), 7121 states have call predecessors, (7253), 7217 states have call successors, (7253) [2022-07-20 02:24:32,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29110 states to 29110 states and 39173 transitions. [2022-07-20 02:24:32,243 INFO L78 Accepts]: Start accepts. Automaton has 29110 states and 39173 transitions. Word has length 252 [2022-07-20 02:24:32,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:24:32,244 INFO L495 AbstractCegarLoop]: Abstraction has 29110 states and 39173 transitions. [2022-07-20 02:24:32,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 02:24:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 29110 states and 39173 transitions. [2022-07-20 02:24:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-07-20 02:24:32,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:24:32,247 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:24:32,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 02:24:32,248 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:24:32,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:24:32,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1777602651, now seen corresponding path program 1 times [2022-07-20 02:24:32,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:24:32,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349530970] [2022-07-20 02:24:32,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:24:32,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:24:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:32,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:24:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:32,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:24:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:24:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:24:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:24:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:24:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:24:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:24:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:24:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:24:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:24:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:24:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:24:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:24:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:24:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:24:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:24:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 02:24:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 02:24:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 02:24:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:24:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 02:24:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 02:24:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:24:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:33,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2022-07-20 02:24:33,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:24:33,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349530970] [2022-07-20 02:24:33,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349530970] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:24:33,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:24:33,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:24:33,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444952589] [2022-07-20 02:24:33,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:24:33,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:24:33,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:24:33,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:24:33,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:24:33,267 INFO L87 Difference]: Start difference. First operand 29110 states and 39173 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 02:24:35,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:24:50,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:24:50,075 INFO L93 Difference]: Finished difference Result 29764 states and 40186 transitions. [2022-07-20 02:24:50,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:24:50,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 252 [2022-07-20 02:24:50,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:24:50,189 INFO L225 Difference]: With dead ends: 29764 [2022-07-20 02:24:50,189 INFO L226 Difference]: Without dead ends: 29762 [2022-07-20 02:24:50,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:24:50,209 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 2840 mSDsluCounter, 4648 mSDsCounter, 0 mSdLazyCounter, 2985 mSolverCounterSat, 1114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3163 SdHoareTripleChecker+Valid, 7372 SdHoareTripleChecker+Invalid, 4100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1114 IncrementalHoareTripleChecker+Valid, 2985 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2022-07-20 02:24:50,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3163 Valid, 7372 Invalid, 4100 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1114 Valid, 2985 Invalid, 1 Unknown, 0 Unchecked, 15.7s Time] [2022-07-20 02:24:50,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29762 states. [2022-07-20 02:24:50,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29762 to 29114. [2022-07-20 02:24:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29114 states, 20107 states have (on average 1.228577112448401) internal successors, (24703), 20423 states have internal predecessors, (24703), 7220 states have call successors, (7220), 1793 states have call predecessors, (7220), 1784 states have return successors, (7253), 7121 states have call predecessors, (7253), 7217 states have call successors, (7253) [2022-07-20 02:24:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29114 states to 29114 states and 39176 transitions. [2022-07-20 02:24:51,108 INFO L78 Accepts]: Start accepts. Automaton has 29114 states and 39176 transitions. Word has length 252 [2022-07-20 02:24:51,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:24:51,109 INFO L495 AbstractCegarLoop]: Abstraction has 29114 states and 39176 transitions. [2022-07-20 02:24:51,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 02:24:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29114 states and 39176 transitions. [2022-07-20 02:24:51,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-07-20 02:24:51,112 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:24:51,113 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:24:51,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 02:24:51,113 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:24:51,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:24:51,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2111950781, now seen corresponding path program 1 times [2022-07-20 02:24:51,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:24:51,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660650809] [2022-07-20 02:24:51,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:24:51,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:24:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:24:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:24:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:24:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:24:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:24:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:24:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:24:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:24:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:24:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:24:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:24:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:24:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:24:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:24:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:24:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:24:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:24:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 02:24:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 02:24:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 02:24:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:24:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:24:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 02:24:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 02:24:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:24:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 02:24:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:24:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2022-07-20 02:24:51,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:24:51,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660650809] [2022-07-20 02:24:51,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660650809] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:24:51,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:24:51,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:24:51,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903177027] [2022-07-20 02:24:51,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:24:51,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:24:51,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:24:51,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:24:51,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:24:51,881 INFO L87 Difference]: Start difference. First operand 29114 states and 39176 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 02:24:53,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:25:09,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:25:09,184 INFO L93 Difference]: Finished difference Result 29768 states and 40189 transitions. [2022-07-20 02:25:09,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:25:09,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 257 [2022-07-20 02:25:09,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:25:09,426 INFO L225 Difference]: With dead ends: 29768 [2022-07-20 02:25:09,426 INFO L226 Difference]: Without dead ends: 29766 [2022-07-20 02:25:09,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:25:09,438 INFO L413 NwaCegarLoop]: 2733 mSDtfsCounter, 2827 mSDsluCounter, 4660 mSDsCounter, 0 mSdLazyCounter, 2985 mSolverCounterSat, 1111 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3150 SdHoareTripleChecker+Valid, 7393 SdHoareTripleChecker+Invalid, 4097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1111 IncrementalHoareTripleChecker+Valid, 2985 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:25:09,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3150 Valid, 7393 Invalid, 4097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1111 Valid, 2985 Invalid, 1 Unknown, 0 Unchecked, 16.1s Time] [2022-07-20 02:25:09,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29766 states. [2022-07-20 02:25:10,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29766 to 29118. [2022-07-20 02:25:10,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29118 states, 20110 states have (on average 1.2285430134261561) internal successors, (24706), 20426 states have internal predecessors, (24706), 7220 states have call successors, (7220), 1794 states have call predecessors, (7220), 1785 states have return successors, (7253), 7121 states have call predecessors, (7253), 7217 states have call successors, (7253) [2022-07-20 02:25:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29118 states to 29118 states and 39179 transitions. [2022-07-20 02:25:10,184 INFO L78 Accepts]: Start accepts. Automaton has 29118 states and 39179 transitions. Word has length 257 [2022-07-20 02:25:10,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:25:10,185 INFO L495 AbstractCegarLoop]: Abstraction has 29118 states and 39179 transitions. [2022-07-20 02:25:10,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 02:25:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 29118 states and 39179 transitions. [2022-07-20 02:25:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-20 02:25:10,188 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:25:10,188 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:25:10,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 02:25:10,188 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:25:10,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:25:10,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1718671643, now seen corresponding path program 1 times [2022-07-20 02:25:10,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:25:10,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488002710] [2022-07-20 02:25:10,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:25:10,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:25:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:25:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:25:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:25:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:25:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:25:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:25:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:25:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:25:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:25:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:25:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:25:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:25:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:25:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:25:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:25:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:25:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:25:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 02:25:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 02:25:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 02:25:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:25:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 02:25:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 02:25:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:25:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 02:25:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 02:25:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2022-07-20 02:25:10,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:25:10,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488002710] [2022-07-20 02:25:10,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488002710] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:25:10,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:25:10,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:25:10,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635210471] [2022-07-20 02:25:10,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:25:10,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:25:10,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:25:10,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:25:10,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:25:10,885 INFO L87 Difference]: Start difference. First operand 29118 states and 39179 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 02:25:12,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:25:28,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:25:28,918 INFO L93 Difference]: Finished difference Result 29772 states and 40192 transitions. [2022-07-20 02:25:28,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:25:28,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 262 [2022-07-20 02:25:28,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:25:29,019 INFO L225 Difference]: With dead ends: 29772 [2022-07-20 02:25:29,019 INFO L226 Difference]: Without dead ends: 29770 [2022-07-20 02:25:29,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:25:29,040 INFO L413 NwaCegarLoop]: 2724 mSDtfsCounter, 2834 mSDsluCounter, 4642 mSDsCounter, 0 mSdLazyCounter, 2985 mSolverCounterSat, 1114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3157 SdHoareTripleChecker+Valid, 7366 SdHoareTripleChecker+Invalid, 4100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1114 IncrementalHoareTripleChecker+Valid, 2985 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:25:29,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3157 Valid, 7366 Invalid, 4100 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1114 Valid, 2985 Invalid, 1 Unknown, 0 Unchecked, 16.8s Time] [2022-07-20 02:25:29,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29770 states. [2022-07-20 02:25:29,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29770 to 29122. [2022-07-20 02:25:29,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29122 states, 20113 states have (on average 1.2285089245761447) internal successors, (24709), 20429 states have internal predecessors, (24709), 7220 states have call successors, (7220), 1795 states have call predecessors, (7220), 1786 states have return successors, (7253), 7121 states have call predecessors, (7253), 7217 states have call successors, (7253) [2022-07-20 02:25:29,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29122 states to 29122 states and 39182 transitions. [2022-07-20 02:25:29,823 INFO L78 Accepts]: Start accepts. Automaton has 29122 states and 39182 transitions. Word has length 262 [2022-07-20 02:25:29,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:25:29,824 INFO L495 AbstractCegarLoop]: Abstraction has 29122 states and 39182 transitions. [2022-07-20 02:25:29,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 02:25:29,824 INFO L276 IsEmpty]: Start isEmpty. Operand 29122 states and 39182 transitions. [2022-07-20 02:25:29,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-20 02:25:29,826 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:25:29,826 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:25:29,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 02:25:29,826 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:25:29,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:25:29,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2076504317, now seen corresponding path program 1 times [2022-07-20 02:25:29,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:25:29,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286577753] [2022-07-20 02:25:29,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:25:29,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:25:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:25:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:25:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:25:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:25:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:25:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:25:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:25:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:25:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:25:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:25:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:25:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:25:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:25:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:25:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:25:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:25:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:25:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 02:25:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 02:25:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 02:25:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:25:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 02:25:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 02:25:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:25:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 02:25:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 02:25:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 02:25:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:30,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2022-07-20 02:25:30,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:25:30,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286577753] [2022-07-20 02:25:30,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286577753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:25:30,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:25:30,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:25:30,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175661116] [2022-07-20 02:25:30,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:25:30,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:25:30,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:25:30,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:25:30,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:25:30,602 INFO L87 Difference]: Start difference. First operand 29122 states and 39182 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 02:25:32,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:25:48,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:25:48,823 INFO L93 Difference]: Finished difference Result 29776 states and 40195 transitions. [2022-07-20 02:25:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:25:48,824 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 267 [2022-07-20 02:25:48,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:25:48,928 INFO L225 Difference]: With dead ends: 29776 [2022-07-20 02:25:48,929 INFO L226 Difference]: Without dead ends: 29774 [2022-07-20 02:25:48,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:25:48,951 INFO L413 NwaCegarLoop]: 2727 mSDtfsCounter, 2833 mSDsluCounter, 4649 mSDsCounter, 0 mSdLazyCounter, 2985 mSolverCounterSat, 1111 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3155 SdHoareTripleChecker+Valid, 7376 SdHoareTripleChecker+Invalid, 4097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1111 IncrementalHoareTripleChecker+Valid, 2985 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:25:48,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3155 Valid, 7376 Invalid, 4097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1111 Valid, 2985 Invalid, 1 Unknown, 0 Unchecked, 16.9s Time] [2022-07-20 02:25:48,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29774 states. [2022-07-20 02:25:49,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29774 to 29126. [2022-07-20 02:25:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29126 states, 20116 states have (on average 1.228474845893816) internal successors, (24712), 20432 states have internal predecessors, (24712), 7220 states have call successors, (7220), 1796 states have call predecessors, (7220), 1787 states have return successors, (7253), 7121 states have call predecessors, (7253), 7217 states have call successors, (7253) [2022-07-20 02:25:49,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29126 states to 29126 states and 39185 transitions. [2022-07-20 02:25:49,874 INFO L78 Accepts]: Start accepts. Automaton has 29126 states and 39185 transitions. Word has length 267 [2022-07-20 02:25:49,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:25:49,875 INFO L495 AbstractCegarLoop]: Abstraction has 29126 states and 39185 transitions. [2022-07-20 02:25:49,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 02:25:49,875 INFO L276 IsEmpty]: Start isEmpty. Operand 29126 states and 39185 transitions. [2022-07-20 02:25:49,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-20 02:25:49,877 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:25:49,877 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:25:49,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 02:25:49,878 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:25:49,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:25:49,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1904959963, now seen corresponding path program 1 times [2022-07-20 02:25:49,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:25:49,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695154155] [2022-07-20 02:25:49,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:25:49,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:25:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:25:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:25:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:25:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:25:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:25:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:25:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:25:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:25:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:25:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:25:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:25:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:25:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:25:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:25:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:25:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:25:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 02:25:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 02:25:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-20 02:25:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 02:25:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 02:25:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 02:25:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 02:25:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:25:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 02:25:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 02:25:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 02:25:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-20 02:25:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2022-07-20 02:25:50,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:25:50,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695154155] [2022-07-20 02:25:50,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695154155] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:25:50,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:25:50,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:25:50,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981799988] [2022-07-20 02:25:50,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:25:50,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:25:50,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:25:50,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:25:50,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:25:50,559 INFO L87 Difference]: Start difference. First operand 29126 states and 39185 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-20 02:25:52,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []