./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 0f8a17c6 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 0.2.1-dev-0f8a17c [2021-11-17 07:59:58,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 07:59:58,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 07:59:58,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 07:59:58,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 07:59:58,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 07:59:58,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 07:59:58,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 07:59:58,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 07:59:58,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 07:59:58,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 07:59:58,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 07:59:58,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 07:59:58,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 07:59:58,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 07:59:58,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 07:59:58,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 07:59:58,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 07:59:58,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 07:59:58,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 07:59:58,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 07:59:58,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 07:59:58,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 07:59:58,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 07:59:58,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 07:59:58,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 07:59:58,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 07:59:58,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 07:59:58,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 07:59:58,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 07:59:58,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 07:59:58,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 07:59:58,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 07:59:58,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 07:59:58,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 07:59:58,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 07:59:58,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 07:59:58,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 07:59:58,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 07:59:58,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 07:59:58,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 07:59:58,870 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 07:59:58,902 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 07:59:58,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 07:59:58,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 07:59:58,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 07:59:58,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 07:59:58,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 07:59:58,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 07:59:58,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 07:59:58,906 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 07:59:58,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 07:59:58,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 07:59:58,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 07:59:58,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 07:59:58,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 07:59:58,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 07:59:58,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 07:59:58,908 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 07:59:58,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 07:59:58,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 07:59:58,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 07:59:58,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 07:59:58,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 07:59:58,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 07:59:58,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 07:59:58,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 07:59:58,910 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 07:59:58,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 07:59:58,911 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 07:59:58,911 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 07:59:58,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 07:59:58,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 07:59:58,912 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e [2021-11-17 07:59:59,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 07:59:59,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 07:59:59,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 07:59:59,193 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 07:59:59,194 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 07:59:59,195 INFO L432 ainManager$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 [2021-11-17 07:59:59,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/125c417b8/883a19b262b84df5822e2e0700bc3f86/FLAGcb63306c8 [2021-11-17 08:00:00,071 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 08:00:00,073 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 [2021-11-17 08:00:00,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/125c417b8/883a19b262b84df5822e2e0700bc3f86/FLAGcb63306c8 [2021-11-17 08:00:00,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/125c417b8/883a19b262b84df5822e2e0700bc3f86 [2021-11-17 08:00:00,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 08:00:00,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 08:00:00,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 08:00:00,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 08:00:00,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 08:00:00,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:00:00" (1/1) ... [2021-11-17 08:00:00,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c22f19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:00, skipping insertion in model container [2021-11-17 08:00:00,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:00:00" (1/1) ... [2021-11-17 08:00:00,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 08:00:00,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 08:00:04,079 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] [2021-11-17 08:00:04,082 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] [2021-11-17 08:00:04,088 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] [2021-11-17 08:00:04,089 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] [2021-11-17 08:00:04,124 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 08:00:04,182 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 08:00:04,523 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] [2021-11-17 08:00:04,524 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] [2021-11-17 08:00:04,524 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] [2021-11-17 08:00:04,524 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] [2021-11-17 08:00:04,535 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 08:00:04,774 INFO L208 MainTranslator]: Completed translation [2021-11-17 08:00:04,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04 WrapperNode [2021-11-17 08:00:04,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 08:00:04,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 08:00:04,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 08:00:04,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 08:00:04,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04" (1/1) ... [2021-11-17 08:00:04,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04" (1/1) ... [2021-11-17 08:00:05,206 INFO L137 Inliner]: procedures = 541, calls = 2423, calls flagged for inlining = 273, calls inlined = 244, statements flattened = 5575 [2021-11-17 08:00:05,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 08:00:05,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 08:00:05,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 08:00:05,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 08:00:05,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04" (1/1) ... [2021-11-17 08:00:05,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04" (1/1) ... [2021-11-17 08:00:05,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04" (1/1) ... [2021-11-17 08:00:05,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04" (1/1) ... [2021-11-17 08:00:05,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04" (1/1) ... [2021-11-17 08:00:05,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04" (1/1) ... [2021-11-17 08:00:05,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04" (1/1) ... [2021-11-17 08:00:05,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 08:00:05,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 08:00:05,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 08:00:05,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 08:00:05,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04" (1/1) ... [2021-11-17 08:00:05,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 08:00:05,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 08:00:05,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 08:00:05,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 08:00:05,531 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2021-11-17 08:00:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2021-11-17 08:00:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 08:00:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 08:00:05,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 08:00:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 08:00:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 08:00:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 08:00:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 08:00:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 08:00:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2021-11-17 08:00:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2021-11-17 08:00:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 08:00:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 08:00:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2021-11-17 08:00:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2021-11-17 08:00:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 08:00:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 08:00:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 08:00:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 08:00:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2021-11-17 08:00:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2021-11-17 08:00:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 08:00:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 08:00:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 08:00:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 08:00:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 08:00:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 08:00:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 08:00:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 08:00:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 08:00:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 08:00:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 08:00:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 08:00:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 08:00:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 08:00:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 08:00:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2021-11-17 08:00:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2021-11-17 08:00:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2021-11-17 08:00:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2021-11-17 08:00:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 08:00:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 08:00:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-17 08:00:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-17 08:00:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 08:00:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 08:00:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 08:00:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2021-11-17 08:00:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2021-11-17 08:00:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 08:00:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 08:00:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 08:00:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 08:00:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 08:00:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 08:00:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2021-11-17 08:00:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2021-11-17 08:00:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 08:00:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 08:00:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 08:00:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 08:00:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-11-17 08:00:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-11-17 08:00:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 08:00:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 08:00:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 08:00:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 08:00:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2021-11-17 08:00:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2021-11-17 08:00:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 08:00:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 08:00:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 08:00:05,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 08:00:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 08:00:05,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2021-11-17 08:00:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2021-11-17 08:00:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 08:00:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 08:00:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 08:00:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 08:00:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-17 08:00:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-17 08:00:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 08:00:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 08:00:05,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 08:00:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 08:00:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2021-11-17 08:00:05,544 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2021-11-17 08:00:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 08:00:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 08:00:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 08:00:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 08:00:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-17 08:00:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-17 08:00:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 08:00:05,582 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 08:00:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2021-11-17 08:00:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2021-11-17 08:00:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 08:00:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 08:00:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 08:00:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 08:00:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 08:00:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 08:00:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 08:00:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 08:00:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2021-11-17 08:00:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2021-11-17 08:00:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-11-17 08:00:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-11-17 08:00:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-17 08:00:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-17 08:00:05,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 08:00:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 08:00:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2021-11-17 08:00:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2021-11-17 08:00:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2021-11-17 08:00:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2021-11-17 08:00:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 08:00:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 08:00:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 08:00:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 08:00:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2021-11-17 08:00:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2021-11-17 08:00:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 08:00:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 08:00:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 08:00:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 08:00:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2021-11-17 08:00:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2021-11-17 08:00:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2021-11-17 08:00:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2021-11-17 08:00:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-17 08:00:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-17 08:00:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 08:00:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 08:00:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 08:00:05,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 08:00:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-11-17 08:00:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-11-17 08:00:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-17 08:00:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-17 08:00:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-17 08:00:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-17 08:00:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2021-11-17 08:00:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2021-11-17 08:00:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 08:00:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 08:00:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2021-11-17 08:00:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2021-11-17 08:00:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-17 08:00:05,591 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-17 08:00:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 08:00:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 08:00:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 08:00:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 08:00:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2021-11-17 08:00:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2021-11-17 08:00:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-17 08:00:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-17 08:00:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2021-11-17 08:00:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2021-11-17 08:00:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-11-17 08:00:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-11-17 08:00:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2021-11-17 08:00:05,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2021-11-17 08:00:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2021-11-17 08:00:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2021-11-17 08:00:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 08:00:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-17 08:00:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-17 08:00:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 08:00:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 08:00:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 08:00:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 08:00:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 08:00:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 08:00:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 08:00:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 08:00:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2021-11-17 08:00:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2021-11-17 08:00:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2021-11-17 08:00:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2021-11-17 08:00:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 08:00:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 08:00:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 08:00:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 08:00:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 08:00:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 08:00:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2021-11-17 08:00:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2021-11-17 08:00:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 08:00:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 08:00:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2021-11-17 08:00:05,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2021-11-17 08:00:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 08:00:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 08:00:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 08:00:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2021-11-17 08:00:05,595 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2021-11-17 08:00:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 08:00:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 08:00:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2021-11-17 08:00:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2021-11-17 08:00:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 08:00:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 08:00:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2021-11-17 08:00:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2021-11-17 08:00:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-17 08:00:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-17 08:00:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2021-11-17 08:00:05,599 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2021-11-17 08:00:05,599 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 08:00:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 08:00:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-17 08:00:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-17 08:00:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 08:00:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 08:00:05,600 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 08:00:05,600 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 08:00:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 08:00:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2021-11-17 08:00:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2021-11-17 08:00:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 08:00:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 08:00:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-11-17 08:00:05,601 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-11-17 08:00:05,601 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2021-11-17 08:00:05,602 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2021-11-17 08:00:06,480 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 08:00:06,485 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 08:00:06,655 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 08:00:49,080 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 08:00:49,276 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 08:00:49,293 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 08:00:49,293 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 08:00:49,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 08:00:49 BoogieIcfgContainer [2021-11-17 08:00:49,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 08:00:49,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 08:00:49,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 08:00:49,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 08:00:49,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 08:00:00" (1/3) ... [2021-11-17 08:00:49,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb56e51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 08:00:49, skipping insertion in model container [2021-11-17 08:00:49,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:00:04" (2/3) ... [2021-11-17 08:00:49,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb56e51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 08:00:49, skipping insertion in model container [2021-11-17 08:00:49,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 08:00:49" (3/3) ... [2021-11-17 08:00:49,306 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2021-11-17 08:00:49,311 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 08:00:49,311 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 08:00:49,366 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 08:00:49,371 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 08:00:49,371 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 08:00:49,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 2021 states, 1350 states have (on average 1.24) internal successors, (1674), 1373 states have internal predecessors, (1674), 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) [2021-11-17 08:00:49,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-17 08:00:49,444 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:00:49,445 INFO L514 BasicCegarLoop]: 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] [2021-11-17 08:00:49,446 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:00:49,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:00:49,451 INFO L85 PathProgramCache]: Analyzing trace with hash -392823862, now seen corresponding path program 1 times [2021-11-17 08:00:49,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:00:49,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984439680] [2021-11-17 08:00:49,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:00:49,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:00:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:00:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:00:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:00:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:00:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:00:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:00:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:00:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:00:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:00:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:00:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:00:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:00:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:00:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:00:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:00:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:00:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:00:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:00:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:00:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:00:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 08:00:50,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:00:50,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984439680] [2021-11-17 08:00:50,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984439680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:00:50,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:00:50,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:00:50,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382110497] [2021-11-17 08:00:50,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:00:50,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:00:50,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:00:50,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:00:50,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:00:50,769 INFO L87 Difference]: Start difference. First operand has 2021 states, 1350 states have (on average 1.24) internal successors, (1674), 1373 states have internal predecessors, (1674), 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) [2021-11-17 08:00:52,841 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:00:55,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:01:07,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:07,785 INFO L93 Difference]: Finished difference Result 5992 states and 8498 transitions. [2021-11-17 08:01:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:01:07,788 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 [2021-11-17 08:01:07,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:07,837 INFO L225 Difference]: With dead ends: 5992 [2021-11-17 08:01:07,837 INFO L226 Difference]: Without dead ends: 3996 [2021-11-17 08:01:07,856 INFO L932 BasicCegarLoop]: 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 [2021-11-17 08:01:07,860 INFO L933 BasicCegarLoop]: 2967 mSDtfsCounter, 3199 mSDsluCounter, 3161 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 1607 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3702 SdHoareTripleChecker+Valid, 6128 SdHoareTripleChecker+Invalid, 3419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1607 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:07,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3702 Valid, 6128 Invalid, 3419 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1607 Valid, 1810 Invalid, 2 Unknown, 0 Unchecked, 16.3s Time] [2021-11-17 08:01:07,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2021-11-17 08:01:08,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3912. [2021-11-17 08:01:08,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3912 states, 2630 states have (on average 1.2311787072243345) internal successors, (3238), 2674 states have internal predecessors, (3238), 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) [2021-11-17 08:01:08,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 5375 transitions. [2021-11-17 08:01:08,181 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 5375 transitions. Word has length 200 [2021-11-17 08:01:08,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:08,185 INFO L470 AbstractCegarLoop]: Abstraction has 3912 states and 5375 transitions. [2021-11-17 08:01:08,185 INFO L471 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) [2021-11-17 08:01:08,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 5375 transitions. [2021-11-17 08:01:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-17 08:01:08,203 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:08,205 INFO L514 BasicCegarLoop]: 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] [2021-11-17 08:01:08,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 08:01:08,206 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:01:08,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:08,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1161536545, now seen corresponding path program 1 times [2021-11-17 08:01:08,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:08,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934377816] [2021-11-17 08:01:08,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:08,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:01:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:01:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:01:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:01:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:01:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:01:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-17 08:01:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 08:01:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 08:01:08,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:08,937 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934377816] [2021-11-17 08:01:08,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934377816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:08,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:08,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:01:08,941 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754842715] [2021-11-17 08:01:08,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:08,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:01:08,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:08,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:01:08,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:01:08,945 INFO L87 Difference]: Start difference. First operand 3912 states and 5375 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) [2021-11-17 08:01:10,998 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:01:13,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:01:26,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:26,722 INFO L93 Difference]: Finished difference Result 11716 states and 16157 transitions. [2021-11-17 08:01:26,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:01:26,723 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 [2021-11-17 08:01:26,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:26,785 INFO L225 Difference]: With dead ends: 11716 [2021-11-17 08:01:26,785 INFO L226 Difference]: Without dead ends: 7841 [2021-11-17 08:01:26,807 INFO L932 BasicCegarLoop]: 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 [2021-11-17 08:01:26,809 INFO L933 BasicCegarLoop]: 2956 mSDtfsCounter, 3190 mSDsluCounter, 3129 mSDsCounter, 0 mSdLazyCounter, 1817 mSolverCounterSat, 1654 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3693 SdHoareTripleChecker+Valid, 6085 SdHoareTripleChecker+Invalid, 3473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1654 IncrementalHoareTripleChecker+Valid, 1817 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:26,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3693 Valid, 6085 Invalid, 3473 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1654 Valid, 1817 Invalid, 2 Unknown, 0 Unchecked, 17.1s Time] [2021-11-17 08:01:26,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7841 states. [2021-11-17 08:01:27,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7841 to 7719. [2021-11-17 08:01:27,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7719 states, 5196 states have (on average 1.23306389530408) internal successors, (6407), 5294 states have internal predecessors, (6407), 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) [2021-11-17 08:01:27,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7719 states to 7719 states and 10630 transitions. [2021-11-17 08:01:27,205 INFO L78 Accepts]: Start accepts. Automaton has 7719 states and 10630 transitions. Word has length 212 [2021-11-17 08:01:27,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:27,207 INFO L470 AbstractCegarLoop]: Abstraction has 7719 states and 10630 transitions. [2021-11-17 08:01:27,207 INFO L471 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) [2021-11-17 08:01:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 7719 states and 10630 transitions. [2021-11-17 08:01:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-11-17 08:01:27,211 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:27,211 INFO L514 BasicCegarLoop]: 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] [2021-11-17 08:01:27,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 08:01:27,212 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:01:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:27,213 INFO L85 PathProgramCache]: Analyzing trace with hash -967961670, now seen corresponding path program 1 times [2021-11-17 08:01:27,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:27,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456656667] [2021-11-17 08:01:27,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:27,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:01:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:01:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:01:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:01:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:01:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:01:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-11-17 08:01:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 08:01:27,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:27,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456656667] [2021-11-17 08:01:27,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456656667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:27,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:27,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:01:27,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897866700] [2021-11-17 08:01:27,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:27,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:01:27,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:27,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:01:27,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:01:27,922 INFO L87 Difference]: Start difference. First operand 7719 states and 10630 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) [2021-11-17 08:01:29,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:01:32,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:01:44,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:44,147 INFO L93 Difference]: Finished difference Result 20691 states and 28318 transitions. [2021-11-17 08:01:44,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:01:44,147 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 [2021-11-17 08:01:44,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:44,240 INFO L225 Difference]: With dead ends: 20691 [2021-11-17 08:01:44,241 INFO L226 Difference]: Without dead ends: 13009 [2021-11-17 08:01:44,289 INFO L932 BasicCegarLoop]: 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 [2021-11-17 08:01:44,290 INFO L933 BasicCegarLoop]: 2789 mSDtfsCounter, 2340 mSDsluCounter, 3052 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 1457 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2700 SdHoareTripleChecker+Valid, 5841 SdHoareTripleChecker+Invalid, 3209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1457 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:44,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2700 Valid, 5841 Invalid, 3209 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1457 Valid, 1750 Invalid, 2 Unknown, 0 Unchecked, 15.6s Time] [2021-11-17 08:01:44,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13009 states. [2021-11-17 08:01:44,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13009 to 12725. [2021-11-17 08:01:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12725 states, 8478 states have (on average 1.2199811276244397) internal successors, (10343), 8652 states have internal predecessors, (10343), 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) [2021-11-17 08:01:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12725 states to 12725 states and 17272 transitions. [2021-11-17 08:01:44,916 INFO L78 Accepts]: Start accepts. Automaton has 12725 states and 17272 transitions. Word has length 212 [2021-11-17 08:01:44,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:44,917 INFO L470 AbstractCegarLoop]: Abstraction has 12725 states and 17272 transitions. [2021-11-17 08:01:44,918 INFO L471 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) [2021-11-17 08:01:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 12725 states and 17272 transitions. [2021-11-17 08:01:44,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-17 08:01:44,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:44,922 INFO L514 BasicCegarLoop]: 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] [2021-11-17 08:01:44,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 08:01:44,922 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:01:44,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:44,923 INFO L85 PathProgramCache]: Analyzing trace with hash 93871240, now seen corresponding path program 1 times [2021-11-17 08:01:44,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:44,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186209654] [2021-11-17 08:01:44,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:44,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:01:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:01:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:01:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:01:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:01:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:01:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 08:01:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-11-17 08:01:45,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:45,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186209654] [2021-11-17 08:01:45,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186209654] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:45,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:45,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 08:01:45,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949303983] [2021-11-17 08:01:45,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:45,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 08:01:45,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:45,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 08:01:45,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-17 08:01:45,712 INFO L87 Difference]: Start difference. First operand 12725 states and 17272 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) [2021-11-17 08:01:47,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:01:50,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:21,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:02:21,790 INFO L93 Difference]: Finished difference Result 27229 states and 36907 transitions. [2021-11-17 08:02:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:02:21,791 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 [2021-11-17 08:02:21,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:02:21,877 INFO L225 Difference]: With dead ends: 27229 [2021-11-17 08:02:21,877 INFO L226 Difference]: Without dead ends: 14541 [2021-11-17 08:02:21,942 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:02:21,944 INFO L933 BasicCegarLoop]: 4673 mSDtfsCounter, 8699 mSDsluCounter, 4875 mSDsCounter, 0 mSdLazyCounter, 5210 mSolverCounterSat, 4885 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9623 SdHoareTripleChecker+Valid, 9548 SdHoareTripleChecker+Invalid, 10097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4885 IncrementalHoareTripleChecker+Valid, 5210 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.9s IncrementalHoareTripleChecker+Time [2021-11-17 08:02:21,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9623 Valid, 9548 Invalid, 10097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4885 Valid, 5210 Invalid, 2 Unknown, 0 Unchecked, 34.9s Time] [2021-11-17 08:02:21,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14541 states. [2021-11-17 08:02:22,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14541 to 14147. [2021-11-17 08:02:22,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14147 states, 9535 states have (on average 1.2147876245411642) internal successors, (11583), 9710 states have internal predecessors, (11583), 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) [2021-11-17 08:02:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14147 states to 14147 states and 18996 transitions. [2021-11-17 08:02:22,557 INFO L78 Accepts]: Start accepts. Automaton has 14147 states and 18996 transitions. Word has length 213 [2021-11-17 08:02:22,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:22,558 INFO L470 AbstractCegarLoop]: Abstraction has 14147 states and 18996 transitions. [2021-11-17 08:02:22,558 INFO L471 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) [2021-11-17 08:02:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 14147 states and 18996 transitions. [2021-11-17 08:02:22,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-17 08:02:22,562 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:22,563 INFO L514 BasicCegarLoop]: 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] [2021-11-17 08:02:22,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 08:02:22,563 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:02:22,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:22,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1582282347, now seen corresponding path program 1 times [2021-11-17 08:02:22,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:22,564 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261767943] [2021-11-17 08:02:22,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:22,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:22,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:02:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:02:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:02:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:02:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:02:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:02:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:02:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:02:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:02:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:02:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:02:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:02:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:02:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-11-17 08:02:23,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:23,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261767943] [2021-11-17 08:02:23,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261767943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:23,228 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:23,228 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:02:23,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952685725] [2021-11-17 08:02:23,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:23,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:02:23,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:23,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:02:23,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:02:23,230 INFO L87 Difference]: Start difference. First operand 14147 states and 18996 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) [2021-11-17 08:02:25,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:27,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:39,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:02:39,934 INFO L93 Difference]: Finished difference Result 42420 states and 57131 transitions. [2021-11-17 08:02:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:02:39,935 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 [2021-11-17 08:02:39,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:02:40,122 INFO L225 Difference]: With dead ends: 42420 [2021-11-17 08:02:40,122 INFO L226 Difference]: Without dead ends: 28351 [2021-11-17 08:02:40,196 INFO L932 BasicCegarLoop]: 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 [2021-11-17 08:02:40,197 INFO L933 BasicCegarLoop]: 3012 mSDtfsCounter, 3178 mSDsluCounter, 3212 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 1637 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3676 SdHoareTripleChecker+Valid, 6224 SdHoareTripleChecker+Invalid, 3449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1637 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2021-11-17 08:02:40,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3676 Valid, 6224 Invalid, 3449 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1637 Valid, 1810 Invalid, 2 Unknown, 0 Unchecked, 15.8s Time] [2021-11-17 08:02:40,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28351 states. [2021-11-17 08:02:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28351 to 27678. [2021-11-17 08:02:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27678 states, 18672 states have (on average 1.2159383033419022) internal successors, (22704), 18988 states have internal predecessors, (22704), 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) [2021-11-17 08:02:41,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27678 states to 27678 states and 37177 transitions. [2021-11-17 08:02:41,512 INFO L78 Accepts]: Start accepts. Automaton has 27678 states and 37177 transitions. Word has length 252 [2021-11-17 08:02:41,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:41,513 INFO L470 AbstractCegarLoop]: Abstraction has 27678 states and 37177 transitions. [2021-11-17 08:02:41,513 INFO L471 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) [2021-11-17 08:02:41,514 INFO L276 IsEmpty]: Start isEmpty. Operand 27678 states and 37177 transitions. [2021-11-17 08:02:41,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-17 08:02:41,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:41,518 INFO L514 BasicCegarLoop]: 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] [2021-11-17 08:02:41,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 08:02:41,519 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:02:41,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:41,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1159580521, now seen corresponding path program 1 times [2021-11-17 08:02:41,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:41,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140017750] [2021-11-17 08:02:41,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:41,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:02:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:02:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:02:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:02:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:02:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:02:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:02:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:02:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:02:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:02:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:02:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:02:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:02:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:42,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2021-11-17 08:02:42,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:42,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140017750] [2021-11-17 08:02:42,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140017750] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:42,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:42,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:02:42,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794592452] [2021-11-17 08:02:42,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:42,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:02:42,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:42,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:02:42,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:02:42,731 INFO L87 Difference]: Start difference. First operand 27678 states and 37177 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) [2021-11-17 08:02:44,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:57,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:02:57,008 INFO L93 Difference]: Finished difference Result 28332 states and 38190 transitions. [2021-11-17 08:02:57,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:02:57,008 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 [2021-11-17 08:02:57,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:02:57,173 INFO L225 Difference]: With dead ends: 28332 [2021-11-17 08:02:57,173 INFO L226 Difference]: Without dead ends: 28330 [2021-11-17 08:02:57,195 INFO L932 BasicCegarLoop]: 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 [2021-11-17 08:02:57,197 INFO L933 BasicCegarLoop]: 2581 mSDtfsCounter, 2644 mSDsluCounter, 5237 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1112 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 7818 SdHoareTripleChecker+Invalid, 3115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1112 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:02:57,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2966 Valid, 7818 Invalid, 3115 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1112 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2021-11-17 08:02:57,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28330 states. [2021-11-17 08:02:58,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28330 to 27682. [2021-11-17 08:02:58,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27682 states, 18675 states have (on average 1.2159036144578312) internal successors, (22707), 18991 states have internal predecessors, (22707), 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) [2021-11-17 08:02:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27682 states to 27682 states and 37180 transitions. [2021-11-17 08:02:58,500 INFO L78 Accepts]: Start accepts. Automaton has 27682 states and 37180 transitions. Word has length 252 [2021-11-17 08:02:58,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:58,501 INFO L470 AbstractCegarLoop]: Abstraction has 27682 states and 37180 transitions. [2021-11-17 08:02:58,501 INFO L471 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) [2021-11-17 08:02:58,501 INFO L276 IsEmpty]: Start isEmpty. Operand 27682 states and 37180 transitions. [2021-11-17 08:02:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-11-17 08:02:58,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:58,508 INFO L514 BasicCegarLoop]: 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] [2021-11-17 08:02:58,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 08:02:58,509 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:02:58,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:58,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1284416519, now seen corresponding path program 1 times [2021-11-17 08:02:58,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:58,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554276308] [2021-11-17 08:02:58,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:58,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:02:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:02:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:02:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:02:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:02:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:02:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:02:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:02:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:02:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:02:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:02:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:02:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:02:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:02:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2021-11-17 08:02:59,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:59,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554276308] [2021-11-17 08:02:59,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554276308] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:59,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:59,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:02:59,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580170335] [2021-11-17 08:02:59,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:59,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:02:59,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:59,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:02:59,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:02:59,578 INFO L87 Difference]: Start difference. First operand 27682 states and 37180 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) [2021-11-17 08:03:01,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:13,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:13,184 INFO L93 Difference]: Finished difference Result 28336 states and 38193 transitions. [2021-11-17 08:03:13,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:13,185 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 [2021-11-17 08:03:13,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:13,337 INFO L225 Difference]: With dead ends: 28336 [2021-11-17 08:03:13,337 INFO L226 Difference]: Without dead ends: 28334 [2021-11-17 08:03:13,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:03:13,363 INFO L933 BasicCegarLoop]: 2584 mSDtfsCounter, 2636 mSDsluCounter, 5237 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1111 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2958 SdHoareTripleChecker+Valid, 7821 SdHoareTripleChecker+Invalid, 3114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1111 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:13,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2958 Valid, 7821 Invalid, 3114 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1111 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 12.4s Time] [2021-11-17 08:03:13,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28334 states. [2021-11-17 08:03:14,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28334 to 27686. [2021-11-17 08:03:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27686 states, 18678 states have (on average 1.2158689367169933) internal successors, (22710), 18994 states have internal predecessors, (22710), 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) [2021-11-17 08:03:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27686 states to 27686 states and 37183 transitions. [2021-11-17 08:03:14,569 INFO L78 Accepts]: Start accepts. Automaton has 27686 states and 37183 transitions. Word has length 257 [2021-11-17 08:03:14,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:14,570 INFO L470 AbstractCegarLoop]: Abstraction has 27686 states and 37183 transitions. [2021-11-17 08:03:14,571 INFO L471 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) [2021-11-17 08:03:14,571 INFO L276 IsEmpty]: Start isEmpty. Operand 27686 states and 37183 transitions. [2021-11-17 08:03:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-17 08:03:14,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:14,576 INFO L514 BasicCegarLoop]: 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] [2021-11-17 08:03:14,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 08:03:14,576 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:03:14,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:14,577 INFO L85 PathProgramCache]: Analyzing trace with hash 260797015, now seen corresponding path program 1 times [2021-11-17 08:03:14,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:14,577 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788838130] [2021-11-17 08:03:14,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:14,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:03:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:03:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:03:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:03:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:03:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:03:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:03:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:03:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:03:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:03:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:03:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:03:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:03:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:03:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2021-11-17 08:03:15,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:15,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788838130] [2021-11-17 08:03:15,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788838130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:15,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:15,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:15,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685382204] [2021-11-17 08:03:15,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:15,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:15,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:15,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:15,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:15,626 INFO L87 Difference]: Start difference. First operand 27686 states and 37183 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) [2021-11-17 08:03:17,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:29,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:29,643 INFO L93 Difference]: Finished difference Result 28340 states and 38196 transitions. [2021-11-17 08:03:29,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:29,643 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 [2021-11-17 08:03:29,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:29,751 INFO L225 Difference]: With dead ends: 28340 [2021-11-17 08:03:29,752 INFO L226 Difference]: Without dead ends: 28338 [2021-11-17 08:03:29,772 INFO L932 BasicCegarLoop]: 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 [2021-11-17 08:03:29,772 INFO L933 BasicCegarLoop]: 2574 mSDtfsCounter, 2643 mSDsluCounter, 5216 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 7790 SdHoareTripleChecker+Invalid, 3117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1114 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:29,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2966 Valid, 7790 Invalid, 3117 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1114 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2021-11-17 08:03:29,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28338 states. [2021-11-17 08:03:30,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28338 to 27690. [2021-11-17 08:03:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27690 states, 18681 states have (on average 1.2158342701140197) internal successors, (22713), 18997 states have internal predecessors, (22713), 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) [2021-11-17 08:03:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27690 states to 27690 states and 37186 transitions. [2021-11-17 08:03:30,820 INFO L78 Accepts]: Start accepts. Automaton has 27690 states and 37186 transitions. Word has length 262 [2021-11-17 08:03:30,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:30,821 INFO L470 AbstractCegarLoop]: Abstraction has 27690 states and 37186 transitions. [2021-11-17 08:03:30,821 INFO L471 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) [2021-11-17 08:03:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 27690 states and 37186 transitions. [2021-11-17 08:03:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-17 08:03:30,825 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:30,825 INFO L514 BasicCegarLoop]: 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] [2021-11-17 08:03:30,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 08:03:30,826 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:03:30,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:30,826 INFO L85 PathProgramCache]: Analyzing trace with hash -654299705, now seen corresponding path program 1 times [2021-11-17 08:03:30,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:30,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001073866] [2021-11-17 08:03:30,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:30,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:03:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:03:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:03:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:03:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:03:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:03:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:03:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:03:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:03:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:03:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:03:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:03:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:03:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:03:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 08:03:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:31,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1332 trivial. 0 not checked. [2021-11-17 08:03:31,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:31,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001073866] [2021-11-17 08:03:31,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001073866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:31,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:31,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:31,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792537858] [2021-11-17 08:03:31,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:31,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:31,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:31,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:31,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:31,623 INFO L87 Difference]: Start difference. First operand 27690 states and 37186 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) [2021-11-17 08:03:33,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:45,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:45,957 INFO L93 Difference]: Finished difference Result 28344 states and 38199 transitions. [2021-11-17 08:03:45,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:03:45,957 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 [2021-11-17 08:03:45,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:46,058 INFO L225 Difference]: With dead ends: 28344 [2021-11-17 08:03:46,058 INFO L226 Difference]: Without dead ends: 28342 [2021-11-17 08:03:46,079 INFO L932 BasicCegarLoop]: 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 [2021-11-17 08:03:46,079 INFO L933 BasicCegarLoop]: 2577 mSDtfsCounter, 2642 mSDsluCounter, 5223 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1111 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2964 SdHoareTripleChecker+Valid, 7800 SdHoareTripleChecker+Invalid, 3114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1111 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:46,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2964 Valid, 7800 Invalid, 3114 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1111 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2021-11-17 08:03:46,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28342 states. [2021-11-17 08:03:47,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28342 to 27694. [2021-11-17 08:03:47,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27694 states, 18684 states have (on average 1.2157996146435452) internal successors, (22716), 19000 states have internal predecessors, (22716), 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) [2021-11-17 08:03:47,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27694 states to 27694 states and 37189 transitions. [2021-11-17 08:03:47,202 INFO L78 Accepts]: Start accepts. Automaton has 27694 states and 37189 transitions. Word has length 267 [2021-11-17 08:03:47,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:03:47,203 INFO L470 AbstractCegarLoop]: Abstraction has 27694 states and 37189 transitions. [2021-11-17 08:03:47,203 INFO L471 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) [2021-11-17 08:03:47,203 INFO L276 IsEmpty]: Start isEmpty. Operand 27694 states and 37189 transitions. [2021-11-17 08:03:47,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-17 08:03:47,207 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:03:47,208 INFO L514 BasicCegarLoop]: 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] [2021-11-17 08:03:47,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 08:03:47,208 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:03:47,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:03:47,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1316737001, now seen corresponding path program 1 times [2021-11-17 08:03:47,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:03:47,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251777367] [2021-11-17 08:03:47,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:03:47,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:03:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:03:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:03:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:03:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:03:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:03:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:03:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:03:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:03:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:03:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:03:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:03:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:03:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:03:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:03:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:03:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:03:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:03:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:03:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:03:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:03:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:03:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:03:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:03:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:03:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:03:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:48,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:03:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:03:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:48,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 08:03:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:48,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 08:03:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:03:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2021-11-17 08:03:48,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:03:48,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251777367] [2021-11-17 08:03:48,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251777367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:03:48,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:03:48,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:03:48,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680093072] [2021-11-17 08:03:48,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:03:48,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:03:48,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:03:48,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:03:48,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:03:48,041 INFO L87 Difference]: Start difference. First operand 27694 states and 37189 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) [2021-11-17 08:03:50,087 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:04:02,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:04:02,239 INFO L93 Difference]: Finished difference Result 28348 states and 38202 transitions. [2021-11-17 08:04:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:04:02,240 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, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 272 [2021-11-17 08:04:02,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:04:02,354 INFO L225 Difference]: With dead ends: 28348 [2021-11-17 08:04:02,354 INFO L226 Difference]: Without dead ends: 28346 [2021-11-17 08:04:02,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:04:02,373 INFO L933 BasicCegarLoop]: 2577 mSDtfsCounter, 2642 mSDsluCounter, 5223 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1110 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2964 SdHoareTripleChecker+Valid, 7800 SdHoareTripleChecker+Invalid, 3113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1110 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-11-17 08:04:02,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2964 Valid, 7800 Invalid, 3113 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1110 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 12.8s Time] [2021-11-17 08:04:02,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28346 states. [2021-11-17 08:04:03,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28346 to 27698. [2021-11-17 08:04:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27698 states, 18687 states have (on average 1.2157649703002087) internal successors, (22719), 19003 states have internal predecessors, (22719), 7220 states have call successors, (7220), 1797 states have call predecessors, (7220), 1788 states have return successors, (7253), 7121 states have call predecessors, (7253), 7217 states have call successors, (7253) [2021-11-17 08:04:03,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27698 states to 27698 states and 37192 transitions. [2021-11-17 08:04:03,540 INFO L78 Accepts]: Start accepts. Automaton has 27698 states and 37192 transitions. Word has length 272 [2021-11-17 08:04:03,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:04:03,541 INFO L470 AbstractCegarLoop]: Abstraction has 27698 states and 37192 transitions. [2021-11-17 08:04:03,541 INFO L471 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, (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) [2021-11-17 08:04:03,542 INFO L276 IsEmpty]: Start isEmpty. Operand 27698 states and 37192 transitions. [2021-11-17 08:04:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-17 08:04:03,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:03,547 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 6, 5, 5, 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, 1, 1] [2021-11-17 08:04:03,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 08:04:03,547 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:04:03,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:03,548 INFO L85 PathProgramCache]: Analyzing trace with hash 2110928775, now seen corresponding path program 1 times [2021-11-17 08:04:03,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:03,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226656381] [2021-11-17 08:04:03,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:03,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:04:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:04:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:04:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:04:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:04:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:04:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:04:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:04:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:04:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:04:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:04:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:04:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:04:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:04:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:04:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:04:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:04:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:04:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:04:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:04:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:04:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:04:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:04:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:04:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:04:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:04:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:04:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 08:04:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 08:04:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 08:04:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1370 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1360 trivial. 0 not checked. [2021-11-17 08:04:04,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:04:04,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226656381] [2021-11-17 08:04:04,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226656381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:04:04,469 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:04:04,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:04:04,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396850805] [2021-11-17 08:04:04,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:04:04,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:04:04,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:04:04,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:04:04,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:04:04,472 INFO L87 Difference]: Start difference. First operand 27698 states and 37192 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, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 08:04:06,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:04:18,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:04:18,805 INFO L93 Difference]: Finished difference Result 28352 states and 38205 transitions. [2021-11-17 08:04:18,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:04:18,806 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, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 277 [2021-11-17 08:04:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:04:18,881 INFO L225 Difference]: With dead ends: 28352 [2021-11-17 08:04:18,882 INFO L226 Difference]: Without dead ends: 28350 [2021-11-17 08:04:18,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:04:18,894 INFO L933 BasicCegarLoop]: 2576 mSDtfsCounter, 2642 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1109 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2965 SdHoareTripleChecker+Valid, 7796 SdHoareTripleChecker+Invalid, 3112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1109 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2021-11-17 08:04:18,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2965 Valid, 7796 Invalid, 3112 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1109 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 12.8s Time] [2021-11-17 08:04:18,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28350 states. [2021-11-17 08:04:19,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28350 to 27702. [2021-11-17 08:04:19,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27702 states, 18690 states have (on average 1.2157303370786516) internal successors, (22722), 19006 states have internal predecessors, (22722), 7220 states have call successors, (7220), 1798 states have call predecessors, (7220), 1789 states have return successors, (7253), 7121 states have call predecessors, (7253), 7217 states have call successors, (7253) [2021-11-17 08:04:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27702 states to 27702 states and 37195 transitions. [2021-11-17 08:04:19,745 INFO L78 Accepts]: Start accepts. Automaton has 27702 states and 37195 transitions. Word has length 277 [2021-11-17 08:04:19,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:04:19,746 INFO L470 AbstractCegarLoop]: Abstraction has 27702 states and 37195 transitions. [2021-11-17 08:04:19,746 INFO L471 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, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 08:04:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 27702 states and 37195 transitions. [2021-11-17 08:04:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-17 08:04:19,749 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:19,750 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:04:19,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 08:04:19,750 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:04:19,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:19,751 INFO L85 PathProgramCache]: Analyzing trace with hash -688118824, now seen corresponding path program 1 times [2021-11-17 08:04:19,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:19,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236409877] [2021-11-17 08:04:19,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:19,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:04:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:04:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:04:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:04:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:04:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:04:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:04:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:04:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:04:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:04:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:04:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:04:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:04:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:04:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:04:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:04:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:04:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:04:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:04:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:04:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:04:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 08:04:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:04:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:04:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:04:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 08:04:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-11-17 08:04:20,414 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:04:20,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236409877] [2021-11-17 08:04:20,414 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236409877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:04:20,414 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:04:20,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:04:20,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020109654] [2021-11-17 08:04:20,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:04:20,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:04:20,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:04:20,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:04:20,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:04:20,416 INFO L87 Difference]: Start difference. First operand 27702 states and 37195 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 08:04:22,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:04:24,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:04:37,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:04:37,321 INFO L93 Difference]: Finished difference Result 62873 states and 84684 transitions. [2021-11-17 08:04:37,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:04:37,322 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 278 [2021-11-17 08:04:37,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:04:37,433 INFO L225 Difference]: With dead ends: 62873 [2021-11-17 08:04:37,433 INFO L226 Difference]: Without dead ends: 35249 [2021-11-17 08:04:37,505 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:04:37,506 INFO L933 BasicCegarLoop]: 4513 mSDtfsCounter, 2189 mSDsluCounter, 3874 mSDsCounter, 0 mSdLazyCounter, 1816 mSolverCounterSat, 1114 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2616 SdHoareTripleChecker+Valid, 8387 SdHoareTripleChecker+Invalid, 2932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1114 IncrementalHoareTripleChecker+Valid, 1816 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-11-17 08:04:37,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2616 Valid, 8387 Invalid, 2932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1114 Valid, 1816 Invalid, 2 Unknown, 0 Unchecked, 15.6s Time] [2021-11-17 08:04:37,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35249 states. [2021-11-17 08:04:38,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35249 to 34402. [2021-11-17 08:04:38,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34402 states, 23300 states have (on average 1.2165665236051502) internal successors, (28346), 23676 states have internal predecessors, (28346), 8904 states have call successors, (8904), 2204 states have call predecessors, (8904), 2195 states have return successors, (8939), 8791 states have call predecessors, (8939), 8901 states have call successors, (8939) [2021-11-17 08:04:38,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34402 states to 34402 states and 46189 transitions. [2021-11-17 08:04:38,799 INFO L78 Accepts]: Start accepts. Automaton has 34402 states and 46189 transitions. Word has length 278 [2021-11-17 08:04:38,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:04:38,799 INFO L470 AbstractCegarLoop]: Abstraction has 34402 states and 46189 transitions. [2021-11-17 08:04:38,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 08:04:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 34402 states and 46189 transitions. [2021-11-17 08:04:38,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-17 08:04:38,802 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:38,802 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 7, 6, 6, 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, 1, 1, 1, 1] [2021-11-17 08:04:38,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 08:04:38,802 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:04:38,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:38,803 INFO L85 PathProgramCache]: Analyzing trace with hash -479433257, now seen corresponding path program 1 times [2021-11-17 08:04:38,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:38,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761174327] [2021-11-17 08:04:38,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:38,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:04:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:04:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:04:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:04:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:04:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:04:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:04:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:04:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:04:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:04:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:04:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:04:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:04:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:04:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:04:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:04:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:04:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:04:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:04:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:04:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:04:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:04:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:04:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:04:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:04:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:04:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:04:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 08:04:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 08:04:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 08:04:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 08:04:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:39,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1380 trivial. 0 not checked. [2021-11-17 08:04:39,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:04:39,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761174327] [2021-11-17 08:04:39,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761174327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:04:39,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:04:39,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:04:39,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600766292] [2021-11-17 08:04:39,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:04:39,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:04:39,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:04:39,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:04:39,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:04:39,562 INFO L87 Difference]: Start difference. First operand 34402 states and 46189 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, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 08:04:41,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:04:58,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:04:58,083 INFO L93 Difference]: Finished difference Result 40803 states and 53914 transitions. [2021-11-17 08:04:58,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:04:58,084 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, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 282 [2021-11-17 08:04:58,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:04:58,207 INFO L225 Difference]: With dead ends: 40803 [2021-11-17 08:04:58,207 INFO L226 Difference]: Without dead ends: 40801 [2021-11-17 08:04:58,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:04:58,222 INFO L933 BasicCegarLoop]: 2739 mSDtfsCounter, 2264 mSDsluCounter, 6228 mSDsCounter, 0 mSdLazyCounter, 2774 mSolverCounterSat, 1099 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2547 SdHoareTripleChecker+Valid, 8967 SdHoareTripleChecker+Invalid, 3874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1099 IncrementalHoareTripleChecker+Valid, 2774 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-11-17 08:04:58,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2547 Valid, 8967 Invalid, 3874 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1099 Valid, 2774 Invalid, 1 Unknown, 0 Unchecked, 16.8s Time] [2021-11-17 08:04:58,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40801 states. [2021-11-17 08:04:59,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40801 to 39717. [2021-11-17 08:04:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39717 states, 26665 states have (on average 1.2024001500093755) internal successors, (32062), 27085 states have internal predecessors, (32062), 10084 states have call successors, (10084), 2974 states have call predecessors, (10084), 2965 states have return successors, (10119), 9971 states have call predecessors, (10119), 10081 states have call successors, (10119) [2021-11-17 08:04:59,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39717 states to 39717 states and 52265 transitions. [2021-11-17 08:04:59,701 INFO L78 Accepts]: Start accepts. Automaton has 39717 states and 52265 transitions. Word has length 282 [2021-11-17 08:04:59,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:04:59,702 INFO L470 AbstractCegarLoop]: Abstraction has 39717 states and 52265 transitions. [2021-11-17 08:04:59,702 INFO L471 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, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-11-17 08:04:59,702 INFO L276 IsEmpty]: Start isEmpty. Operand 39717 states and 52265 transitions. [2021-11-17 08:04:59,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-17 08:04:59,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:59,705 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:04:59,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 08:04:59,705 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:04:59,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:59,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1671118521, now seen corresponding path program 1 times [2021-11-17 08:04:59,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:59,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732758361] [2021-11-17 08:04:59,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:59,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:04:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:05:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:05:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:05:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:05:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:05:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:05:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:05:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:05:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:05:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:05:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 08:05:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 08:05:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 08:05:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 08:05:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1418 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2021-11-17 08:05:00,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:00,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732758361] [2021-11-17 08:05:00,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732758361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:00,450 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:00,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:00,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800740299] [2021-11-17 08:05:00,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:00,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:00,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:00,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:00,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:00,452 INFO L87 Difference]: Start difference. First operand 39717 states and 52265 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, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-17 08:05:02,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:05:14,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:14,955 INFO L93 Difference]: Finished difference Result 40807 states and 53917 transitions. [2021-11-17 08:05:14,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:14,956 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, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 287 [2021-11-17 08:05:14,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:15,065 INFO L225 Difference]: With dead ends: 40807 [2021-11-17 08:05:15,066 INFO L226 Difference]: Without dead ends: 40805 [2021-11-17 08:05:15,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:05:15,083 INFO L933 BasicCegarLoop]: 2576 mSDtfsCounter, 2642 mSDsluCounter, 5221 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1109 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2964 SdHoareTripleChecker+Valid, 7797 SdHoareTripleChecker+Invalid, 3112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1109 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:15,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2964 Valid, 7797 Invalid, 3112 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1109 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 12.7s Time] [2021-11-17 08:05:15,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40805 states. [2021-11-17 08:05:16,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40805 to 39721. [2021-11-17 08:05:16,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39721 states, 26668 states have (on average 1.2023773811309435) internal successors, (32065), 27088 states have internal predecessors, (32065), 10084 states have call successors, (10084), 2975 states have call predecessors, (10084), 2966 states have return successors, (10119), 9971 states have call predecessors, (10119), 10081 states have call successors, (10119) [2021-11-17 08:05:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39721 states to 39721 states and 52268 transitions. [2021-11-17 08:05:16,566 INFO L78 Accepts]: Start accepts. Automaton has 39721 states and 52268 transitions. Word has length 287 [2021-11-17 08:05:16,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:16,567 INFO L470 AbstractCegarLoop]: Abstraction has 39721 states and 52268 transitions. [2021-11-17 08:05:16,567 INFO L471 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, (34), 4 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-17 08:05:16,567 INFO L276 IsEmpty]: Start isEmpty. Operand 39721 states and 52268 transitions. [2021-11-17 08:05:16,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-17 08:05:16,569 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:16,569 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 9, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:16,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 08:05:16,570 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:05:16,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:16,570 INFO L85 PathProgramCache]: Analyzing trace with hash 535047063, now seen corresponding path program 1 times [2021-11-17 08:05:16,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:16,570 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361340543] [2021-11-17 08:05:16,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:16,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:16,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:16,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:16,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:16,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:05:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:05:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:05:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:05:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:05:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:05:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:05:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:05:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:05:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:05:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 08:05:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 08:05:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 08:05:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 08:05:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 08:05:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:17,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1448 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1432 trivial. 0 not checked. [2021-11-17 08:05:17,260 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:17,260 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361340543] [2021-11-17 08:05:17,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361340543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:17,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:17,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:17,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394237635] [2021-11-17 08:05:17,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:17,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:17,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:17,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:17,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:17,262 INFO L87 Difference]: Start difference. First operand 39721 states and 52268 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, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-17 08:05:19,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:05:31,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:31,999 INFO L93 Difference]: Finished difference Result 40811 states and 53920 transitions. [2021-11-17 08:05:32,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:32,000 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, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 292 [2021-11-17 08:05:32,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:32,132 INFO L225 Difference]: With dead ends: 40811 [2021-11-17 08:05:32,133 INFO L226 Difference]: Without dead ends: 40809 [2021-11-17 08:05:32,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:05:32,159 INFO L933 BasicCegarLoop]: 2576 mSDtfsCounter, 2642 mSDsluCounter, 5221 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1108 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2964 SdHoareTripleChecker+Valid, 7797 SdHoareTripleChecker+Invalid, 3111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1108 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:32,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2964 Valid, 7797 Invalid, 3111 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1108 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2021-11-17 08:05:32,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40809 states. [2021-11-17 08:05:33,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40809 to 39725. [2021-11-17 08:05:33,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39725 states, 26671 states have (on average 1.2023546173746766) internal successors, (32068), 27091 states have internal predecessors, (32068), 10084 states have call successors, (10084), 2976 states have call predecessors, (10084), 2967 states have return successors, (10119), 9971 states have call predecessors, (10119), 10081 states have call successors, (10119) [2021-11-17 08:05:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39725 states to 39725 states and 52271 transitions. [2021-11-17 08:05:33,574 INFO L78 Accepts]: Start accepts. Automaton has 39725 states and 52271 transitions. Word has length 292 [2021-11-17 08:05:33,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:33,575 INFO L470 AbstractCegarLoop]: Abstraction has 39725 states and 52271 transitions. [2021-11-17 08:05:33,575 INFO L471 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, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-11-17 08:05:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 39725 states and 52271 transitions. [2021-11-17 08:05:33,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-17 08:05:33,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:33,578 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 10, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:33,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 08:05:33,579 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:05:33,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:33,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1578617607, now seen corresponding path program 1 times [2021-11-17 08:05:33,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:33,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117205240] [2021-11-17 08:05:33,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:33,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:05:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:05:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:05:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:05:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:05:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:05:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:05:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:05:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:05:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:05:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 08:05:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 08:05:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 08:05:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 08:05:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 08:05:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-17 08:05:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:34,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 1464 trivial. 0 not checked. [2021-11-17 08:05:34,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:34,520 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117205240] [2021-11-17 08:05:34,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117205240] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:34,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:34,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:34,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429306795] [2021-11-17 08:05:34,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:34,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:34,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:34,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:34,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:34,525 INFO L87 Difference]: Start difference. First operand 39725 states and 52271 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, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 08:05:36,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:05:49,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:49,398 INFO L93 Difference]: Finished difference Result 40815 states and 53923 transitions. [2021-11-17 08:05:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:49,399 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, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 297 [2021-11-17 08:05:49,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:49,562 INFO L225 Difference]: With dead ends: 40815 [2021-11-17 08:05:49,563 INFO L226 Difference]: Without dead ends: 40813 [2021-11-17 08:05:49,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:05:49,591 INFO L933 BasicCegarLoop]: 2574 mSDtfsCounter, 2643 mSDsluCounter, 5216 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1107 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 7790 SdHoareTripleChecker+Invalid, 3110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1107 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:49,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2966 Valid, 7790 Invalid, 3110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1107 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2021-11-17 08:05:49,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40813 states. [2021-11-17 08:05:51,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40813 to 39729. [2021-11-17 08:05:51,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39729 states, 26674 states have (on average 1.2023318587388467) internal successors, (32071), 27094 states have internal predecessors, (32071), 10084 states have call successors, (10084), 2977 states have call predecessors, (10084), 2968 states have return successors, (10119), 9971 states have call predecessors, (10119), 10081 states have call successors, (10119) [2021-11-17 08:05:51,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39729 states to 39729 states and 52274 transitions. [2021-11-17 08:05:51,588 INFO L78 Accepts]: Start accepts. Automaton has 39729 states and 52274 transitions. Word has length 297 [2021-11-17 08:05:51,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:51,589 INFO L470 AbstractCegarLoop]: Abstraction has 39729 states and 52274 transitions. [2021-11-17 08:05:51,589 INFO L471 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, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 08:05:51,590 INFO L276 IsEmpty]: Start isEmpty. Operand 39729 states and 52274 transitions. [2021-11-17 08:05:51,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-17 08:05:51,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:51,593 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 11, 10, 10, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:51,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 08:05:51,593 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:05:51,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:51,594 INFO L85 PathProgramCache]: Analyzing trace with hash 428566871, now seen corresponding path program 1 times [2021-11-17 08:05:51,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:51,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472608205] [2021-11-17 08:05:51,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:51,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:51,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:51,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:05:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:05:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:05:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:05:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:05:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:05:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:05:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 08:05:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 08:05:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:05:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 08:05:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-17 08:05:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 08:05:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 08:05:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 08:05:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-17 08:05:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-11-17 08:05:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:52,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2021-11-17 08:05:52,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:52,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472608205] [2021-11-17 08:05:52,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472608205] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:52,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:52,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:52,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937801503] [2021-11-17 08:05:52,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:52,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:52,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:52,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:52,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:52,257 INFO L87 Difference]: Start difference. First operand 39729 states and 52274 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, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 08:05:54,295 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:06:07,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:07,252 INFO L93 Difference]: Finished difference Result 40819 states and 53926 transitions. [2021-11-17 08:06:07,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:06:07,253 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, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 302 [2021-11-17 08:06:07,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:07,396 INFO L225 Difference]: With dead ends: 40819 [2021-11-17 08:06:07,396 INFO L226 Difference]: Without dead ends: 40817 [2021-11-17 08:06:07,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:06:07,418 INFO L933 BasicCegarLoop]: 2574 mSDtfsCounter, 2643 mSDsluCounter, 5216 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1106 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2966 SdHoareTripleChecker+Valid, 7790 SdHoareTripleChecker+Invalid, 3109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1106 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:07,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2966 Valid, 7790 Invalid, 3109 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1106 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2021-11-17 08:06:07,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40817 states. [2021-11-17 08:06:08,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40817 to 39733. [2021-11-17 08:06:08,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39733 states, 26677 states have (on average 1.2023091052217265) internal successors, (32074), 27097 states have internal predecessors, (32074), 10084 states have call successors, (10084), 2978 states have call predecessors, (10084), 2969 states have return successors, (10119), 9971 states have call predecessors, (10119), 10081 states have call successors, (10119) [2021-11-17 08:06:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39733 states to 39733 states and 52277 transitions. [2021-11-17 08:06:09,059 INFO L78 Accepts]: Start accepts. Automaton has 39733 states and 52277 transitions. Word has length 302 [2021-11-17 08:06:09,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:09,060 INFO L470 AbstractCegarLoop]: Abstraction has 39733 states and 52277 transitions. [2021-11-17 08:06:09,060 INFO L471 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, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 08:06:09,060 INFO L276 IsEmpty]: Start isEmpty. Operand 39733 states and 52277 transitions. [2021-11-17 08:06:09,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-17 08:06:09,062 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:09,062 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 12, 11, 11, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:06:09,062 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 08:06:09,063 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:06:09,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:09,063 INFO L85 PathProgramCache]: Analyzing trace with hash -97636598, now seen corresponding path program 1 times [2021-11-17 08:06:09,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:09,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644972741] [2021-11-17 08:06:09,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:09,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:06:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:06:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:06:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:06:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:06:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:06:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:06:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:06:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:06:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:06:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 08:06:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 08:06:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:06:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 08:06:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 08:06:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 08:06:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 08:06:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:06:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 08:06:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 08:06:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 08:06:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 1575 trivial. 0 not checked. [2021-11-17 08:06:09,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:09,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644972741] [2021-11-17 08:06:09,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644972741] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:09,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:09,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:06:09,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442717151] [2021-11-17 08:06:09,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:09,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:06:09,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:09,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:06:09,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:06:09,716 INFO L87 Difference]: Start difference. First operand 39733 states and 52277 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 08:06:11,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:06:24,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:24,593 INFO L93 Difference]: Finished difference Result 40823 states and 53929 transitions. [2021-11-17 08:06:24,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:06:24,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 325 [2021-11-17 08:06:24,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:24,727 INFO L225 Difference]: With dead ends: 40823 [2021-11-17 08:06:24,727 INFO L226 Difference]: Without dead ends: 40821 [2021-11-17 08:06:24,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:06:24,750 INFO L933 BasicCegarLoop]: 2582 mSDtfsCounter, 2628 mSDsluCounter, 5233 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1103 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 7815 SdHoareTripleChecker+Invalid, 3106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1103 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:24,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2948 Valid, 7815 Invalid, 3106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1103 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 13.0s Time] [2021-11-17 08:06:24,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40821 states. [2021-11-17 08:06:26,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40821 to 39737. [2021-11-17 08:06:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39737 states, 26680 states have (on average 1.2022863568215891) internal successors, (32077), 27100 states have internal predecessors, (32077), 10084 states have call successors, (10084), 2979 states have call predecessors, (10084), 2970 states have return successors, (10119), 9971 states have call predecessors, (10119), 10081 states have call successors, (10119) [2021-11-17 08:06:26,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39737 states to 39737 states and 52280 transitions. [2021-11-17 08:06:26,381 INFO L78 Accepts]: Start accepts. Automaton has 39737 states and 52280 transitions. Word has length 325 [2021-11-17 08:06:26,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:26,381 INFO L470 AbstractCegarLoop]: Abstraction has 39737 states and 52280 transitions. [2021-11-17 08:06:26,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 08:06:26,382 INFO L276 IsEmpty]: Start isEmpty. Operand 39737 states and 52280 transitions. [2021-11-17 08:06:26,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-17 08:06:26,384 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:26,384 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 13, 12, 12, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:06:26,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 08:06:26,385 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:06:26,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:26,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1160527540, now seen corresponding path program 1 times [2021-11-17 08:06:26,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:26,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857283] [2021-11-17 08:06:26,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:26,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:06:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:06:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:06:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:06:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:06:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:06:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:06:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:06:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:06:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:06:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 08:06:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 08:06:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:06:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 08:06:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 08:06:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 08:06:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 08:06:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:06:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 08:06:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 08:06:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 08:06:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 08:06:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1619 trivial. 0 not checked. [2021-11-17 08:06:27,122 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:27,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857283] [2021-11-17 08:06:27,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:27,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:27,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:06:27,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881221392] [2021-11-17 08:06:27,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:27,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:06:27,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:27,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:06:27,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:06:27,125 INFO L87 Difference]: Start difference. First operand 39737 states and 52280 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-17 08:06:29,162 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:06:42,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:42,436 INFO L93 Difference]: Finished difference Result 40827 states and 53932 transitions. [2021-11-17 08:06:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:06:42,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 330 [2021-11-17 08:06:42,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:42,555 INFO L225 Difference]: With dead ends: 40827 [2021-11-17 08:06:42,555 INFO L226 Difference]: Without dead ends: 40825 [2021-11-17 08:06:42,573 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:06:42,574 INFO L933 BasicCegarLoop]: 2575 mSDtfsCounter, 2634 mSDsluCounter, 5219 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1104 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 7794 SdHoareTripleChecker+Invalid, 3107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1104 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:42,574 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2954 Valid, 7794 Invalid, 3107 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1104 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2021-11-17 08:06:42,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40825 states. [2021-11-17 08:06:44,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40825 to 39741. [2021-11-17 08:06:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39741 states, 26683 states have (on average 1.2022636135367089) internal successors, (32080), 27103 states have internal predecessors, (32080), 10084 states have call successors, (10084), 2980 states have call predecessors, (10084), 2971 states have return successors, (10119), 9971 states have call predecessors, (10119), 10081 states have call successors, (10119) [2021-11-17 08:06:44,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39741 states to 39741 states and 52283 transitions. [2021-11-17 08:06:44,150 INFO L78 Accepts]: Start accepts. Automaton has 39741 states and 52283 transitions. Word has length 330 [2021-11-17 08:06:44,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:44,151 INFO L470 AbstractCegarLoop]: Abstraction has 39741 states and 52283 transitions. [2021-11-17 08:06:44,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-17 08:06:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 39741 states and 52283 transitions. [2021-11-17 08:06:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-11-17 08:06:44,153 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:44,153 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 14, 13, 13, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:06:44,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-17 08:06:44,153 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:06:44,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:44,154 INFO L85 PathProgramCache]: Analyzing trace with hash -472612598, now seen corresponding path program 1 times [2021-11-17 08:06:44,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:44,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254387160] [2021-11-17 08:06:44,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:44,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:06:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:06:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:06:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:06:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:06:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:06:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:06:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:06:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:06:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:06:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 08:06:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 08:06:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:06:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 08:06:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 08:06:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 08:06:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 08:06:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:06:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 08:06:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 08:06:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 08:06:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 08:06:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 08:06:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1693 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 1667 trivial. 0 not checked. [2021-11-17 08:06:44,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:44,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254387160] [2021-11-17 08:06:44,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254387160] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:44,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:44,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:06:44,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495299475] [2021-11-17 08:06:44,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:44,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:06:44,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:44,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:06:44,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:06:44,821 INFO L87 Difference]: Start difference. First operand 39741 states and 52283 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-17 08:06:46,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:07:00,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:07:00,176 INFO L93 Difference]: Finished difference Result 40831 states and 53935 transitions. [2021-11-17 08:07:00,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:07:00,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 335 [2021-11-17 08:07:00,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:07:00,324 INFO L225 Difference]: With dead ends: 40831 [2021-11-17 08:07:00,325 INFO L226 Difference]: Without dead ends: 40827 [2021-11-17 08:07:00,348 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:07:00,349 INFO L933 BasicCegarLoop]: 2575 mSDtfsCounter, 2633 mSDsluCounter, 5218 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1103 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2954 SdHoareTripleChecker+Valid, 7793 SdHoareTripleChecker+Invalid, 3106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1103 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:07:00,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2954 Valid, 7793 Invalid, 3106 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1103 Valid, 2002 Invalid, 1 Unknown, 0 Unchecked, 13.2s Time] [2021-11-17 08:07:00,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40827 states. [2021-11-17 08:07:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40827 to 39743. [2021-11-17 08:07:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39743 states, 26685 states have (on average 1.2022109799512835) internal successors, (32081), 27104 states have internal predecessors, (32081), 10084 states have call successors, (10084), 2981 states have call predecessors, (10084), 2971 states have return successors, (10119), 9971 states have call predecessors, (10119), 10081 states have call successors, (10119) [2021-11-17 08:07:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39743 states to 39743 states and 52284 transitions. [2021-11-17 08:07:02,102 INFO L78 Accepts]: Start accepts. Automaton has 39743 states and 52284 transitions. Word has length 335 [2021-11-17 08:07:02,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:07:02,103 INFO L470 AbstractCegarLoop]: Abstraction has 39743 states and 52284 transitions. [2021-11-17 08:07:02,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-17 08:07:02,103 INFO L276 IsEmpty]: Start isEmpty. Operand 39743 states and 52284 transitions. [2021-11-17 08:07:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-11-17 08:07:02,105 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:07:02,105 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 15, 14, 14, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:07:02,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-17 08:07:02,105 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:07:02,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:07:02,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1625513012, now seen corresponding path program 1 times [2021-11-17 08:07:02,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:07:02,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316700001] [2021-11-17 08:07:02,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:07:02,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:07:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:07:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:07:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:07:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:07:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:07:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:07:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:07:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:07:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:07:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:07:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:07:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:07:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:07:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:07:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:07:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:07:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:07:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:07:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:07:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:07:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 08:07:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 08:07:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 08:07:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:07:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 08:07:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 08:07:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 08:07:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 08:07:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 08:07:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 08:07:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 08:07:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-11-17 08:07:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 08:07:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 08:07:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 08:07:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 08:07:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 08:07:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 08:07:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 08:07:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 08:07:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1747 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 1719 trivial. 0 not checked. [2021-11-17 08:07:02,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:07:02,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316700001] [2021-11-17 08:07:02,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316700001] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:07:02,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:07:02,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:07:02,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957693672] [2021-11-17 08:07:02,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:07:02,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:07:02,982 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:07:02,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:07:02,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:07:02,982 INFO L87 Difference]: Start difference. First operand 39743 states and 52284 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 08:07:05,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:07:18,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:07:18,046 INFO L93 Difference]: Finished difference Result 40827 states and 53931 transitions. [2021-11-17 08:07:18,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:07:18,047 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 340 [2021-11-17 08:07:18,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:07:18,168 INFO L225 Difference]: With dead ends: 40827 [2021-11-17 08:07:18,169 INFO L226 Difference]: Without dead ends: 40556 [2021-11-17 08:07:18,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:07:18,188 INFO L933 BasicCegarLoop]: 2572 mSDtfsCounter, 2627 mSDsluCounter, 5218 mSDsCounter, 0 mSdLazyCounter, 1997 mSolverCounterSat, 1102 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 7790 SdHoareTripleChecker+Invalid, 3100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1102 IncrementalHoareTripleChecker+Valid, 1997 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-17 08:07:18,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2948 Valid, 7790 Invalid, 3100 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1102 Valid, 1997 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2021-11-17 08:07:18,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40556 states. [2021-11-17 08:07:19,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40556 to 39472. [2021-11-17 08:07:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39472 states, 26518 states have (on average 1.2012972320687834) internal successors, (31856), 26905 states have internal predecessors, (31856), 9998 states have call successors, (9998), 2962 states have call predecessors, (9998), 2954 states have return successors, (10036), 9918 states have call predecessors, (10036), 9998 states have call successors, (10036) [2021-11-17 08:07:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39472 states to 39472 states and 51890 transitions. [2021-11-17 08:07:19,990 INFO L78 Accepts]: Start accepts. Automaton has 39472 states and 51890 transitions. Word has length 340 [2021-11-17 08:07:19,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:07:19,990 INFO L470 AbstractCegarLoop]: Abstraction has 39472 states and 51890 transitions. [2021-11-17 08:07:19,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 08:07:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 39472 states and 51890 transitions. [2021-11-17 08:07:19,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-17 08:07:19,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:07:19,994 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:07:19,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-17 08:07:19,995 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:07:19,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:07:19,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1039777437, now seen corresponding path program 1 times [2021-11-17 08:07:19,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:07:19,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630264572] [2021-11-17 08:07:19,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:07:19,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:07:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:07:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:07:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:07:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:07:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:07:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:07:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:07:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:07:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:07:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:07:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:07:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:07:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:07:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:07:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:07:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:07:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:07:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:07:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:07:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:07:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 08:07:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:07:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:07:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:07:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 08:07:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 08:07:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 08:07:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 08:07:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 08:07:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-17 08:07:20,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:07:20,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630264572] [2021-11-17 08:07:20,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630264572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:07:20,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:07:20,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:07:20,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826026049] [2021-11-17 08:07:20,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:07:20,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:07:20,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:07:20,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:07:20,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:07:20,618 INFO L87 Difference]: Start difference. First operand 39472 states and 51890 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 08:07:22,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:07:24,934 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:07:38,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:07:38,399 INFO L93 Difference]: Finished difference Result 87738 states and 115671 transitions. [2021-11-17 08:07:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:07:38,400 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 352 [2021-11-17 08:07:38,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:07:38,539 INFO L225 Difference]: With dead ends: 87738 [2021-11-17 08:07:38,539 INFO L226 Difference]: Without dead ends: 48312 [2021-11-17 08:07:38,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:07:38,687 INFO L933 BasicCegarLoop]: 4486 mSDtfsCounter, 2166 mSDsluCounter, 3851 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 1022 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 8337 SdHoareTripleChecker+Invalid, 2774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1022 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:07:38,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2576 Valid, 8337 Invalid, 2774 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1022 Valid, 1750 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2021-11-17 08:07:38,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48312 states. [2021-11-17 08:07:40,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48312 to 47018. [2021-11-17 08:07:40,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47018 states, 31663 states have (on average 1.2019707545084168) internal successors, (38058), 32108 states have internal predecessors, (38058), 11853 states have call successors, (11853), 3508 states have call predecessors, (11853), 3500 states have return successors, (11893), 11767 states have call predecessors, (11893), 11853 states have call successors, (11893) [2021-11-17 08:07:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47018 states to 47018 states and 61804 transitions. [2021-11-17 08:07:40,871 INFO L78 Accepts]: Start accepts. Automaton has 47018 states and 61804 transitions. Word has length 352 [2021-11-17 08:07:40,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:07:40,872 INFO L470 AbstractCegarLoop]: Abstraction has 47018 states and 61804 transitions. [2021-11-17 08:07:40,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 08:07:40,872 INFO L276 IsEmpty]: Start isEmpty. Operand 47018 states and 61804 transitions. [2021-11-17 08:07:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2021-11-17 08:07:40,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:07:40,876 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:07:40,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-17 08:07:40,876 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:07:40,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:07:40,877 INFO L85 PathProgramCache]: Analyzing trace with hash -805589729, now seen corresponding path program 1 times [2021-11-17 08:07:40,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:07:40,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723893142] [2021-11-17 08:07:40,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:07:40,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:07:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:07:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:07:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:07:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:07:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:07:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:07:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:07:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:07:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:07:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:07:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:07:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:07:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:07:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:07:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:07:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:07:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:07:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:07:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:07:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:07:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 08:07:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:07:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:07:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:07:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 08:07:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 08:07:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 08:07:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 08:07:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 08:07:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2021-11-17 08:07:41,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:07:41,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723893142] [2021-11-17 08:07:41,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723893142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:07:41,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:07:41,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:07:41,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018725185] [2021-11-17 08:07:41,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:07:41,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:07:41,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:07:41,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:07:41,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:07:41,424 INFO L87 Difference]: Start difference. First operand 47018 states and 61804 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 08:07:43,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:07:45,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:07:59,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:07:59,480 INFO L93 Difference]: Finished difference Result 105683 states and 139183 transitions. [2021-11-17 08:07:59,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:07:59,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 352 [2021-11-17 08:07:59,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:07:59,724 INFO L225 Difference]: With dead ends: 105683 [2021-11-17 08:07:59,724 INFO L226 Difference]: Without dead ends: 58754 [2021-11-17 08:07:59,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:07:59,856 INFO L933 BasicCegarLoop]: 4452 mSDtfsCounter, 2396 mSDsluCounter, 3645 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 1039 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2840 SdHoareTripleChecker+Valid, 8097 SdHoareTripleChecker+Invalid, 2790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1039 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:07:59,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2840 Valid, 8097 Invalid, 2790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1039 Valid, 1749 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2021-11-17 08:07:59,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58754 states. [2021-11-17 08:08:02,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58754 to 57084. [2021-11-17 08:08:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57084 states, 38437 states have (on average 1.1993131617972266) internal successors, (46098), 38960 states have internal predecessors, (46098), 14367 states have call successors, (14367), 4288 states have call predecessors, (14367), 4278 states have return successors, (14409), 14271 states have call predecessors, (14409), 14367 states have call successors, (14409) [2021-11-17 08:08:02,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57084 states to 57084 states and 74874 transitions. [2021-11-17 08:08:02,755 INFO L78 Accepts]: Start accepts. Automaton has 57084 states and 74874 transitions. Word has length 352 [2021-11-17 08:08:02,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:08:02,756 INFO L470 AbstractCegarLoop]: Abstraction has 57084 states and 74874 transitions. [2021-11-17 08:08:02,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 08:08:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 57084 states and 74874 transitions. [2021-11-17 08:08:02,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-11-17 08:08:02,761 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:08:02,762 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:08:02,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-17 08:08:02,762 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:08:02,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:08:02,763 INFO L85 PathProgramCache]: Analyzing trace with hash 801204420, now seen corresponding path program 1 times [2021-11-17 08:08:02,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:08:02,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754505031] [2021-11-17 08:08:02,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:08:02,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:08:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:08:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:08:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:08:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:08:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:08:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:08:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:08:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:08:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:08:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:08:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:08:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:08:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:08:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:08:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:08:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:08:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:08:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:08:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:08:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:08:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 08:08:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:08:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:08:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:08:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 08:08:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:08:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:08:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 08:08:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:08:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:08:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 08:08:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 08:08:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 08:08:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 08:08:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:08:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:08:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 08:08:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:03,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1801 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2021-11-17 08:08:03,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:08:03,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754505031] [2021-11-17 08:08:03,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754505031] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:08:03,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:08:03,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:08:03,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905471062] [2021-11-17 08:08:03,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:08:03,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:08:03,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:08:03,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:08:03,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:08:03,359 INFO L87 Difference]: Start difference. First operand 57084 states and 74874 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-17 08:08:05,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:08:07,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:08:21,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:08:21,602 INFO L93 Difference]: Finished difference Result 123547 states and 162517 transitions. [2021-11-17 08:08:21,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:08:21,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 406 [2021-11-17 08:08:21,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:08:21,831 INFO L225 Difference]: With dead ends: 123547 [2021-11-17 08:08:21,831 INFO L226 Difference]: Without dead ends: 66552 [2021-11-17 08:08:21,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:08:21,958 INFO L933 BasicCegarLoop]: 3839 mSDtfsCounter, 2194 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 1187 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2606 SdHoareTripleChecker+Valid, 7239 SdHoareTripleChecker+Invalid, 2940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1187 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2021-11-17 08:08:21,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2606 Valid, 7239 Invalid, 2940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1187 Valid, 1751 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2021-11-17 08:08:22,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66552 states. [2021-11-17 08:08:24,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66552 to 64680. [2021-11-17 08:08:24,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64680 states, 43629 states have (on average 1.200073345710422) internal successors, (52358), 44210 states have internal predecessors, (52358), 16225 states have call successors, (16225), 4834 states have call predecessors, (16225), 4824 states have return successors, (16269), 16123 states have call predecessors, (16269), 16225 states have call successors, (16269) [2021-11-17 08:08:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64680 states to 64680 states and 84852 transitions. [2021-11-17 08:08:25,164 INFO L78 Accepts]: Start accepts. Automaton has 64680 states and 84852 transitions. Word has length 406 [2021-11-17 08:08:25,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:08:25,165 INFO L470 AbstractCegarLoop]: Abstraction has 64680 states and 84852 transitions. [2021-11-17 08:08:25,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-17 08:08:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 64680 states and 84852 transitions. [2021-11-17 08:08:25,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-11-17 08:08:25,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:08:25,169 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 16, 16, 16, 16, 16, 16, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:08:25,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-17 08:08:25,169 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:08:25,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:08:25,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1044162746, now seen corresponding path program 1 times [2021-11-17 08:08:25,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:08:25,170 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943942458] [2021-11-17 08:08:25,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:08:25,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:08:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:08:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:08:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:08:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:08:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:08:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:08:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:08:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:08:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:08:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:08:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:08:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:08:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:08:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:08:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:08:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:08:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:08:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:08:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:08:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:08:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 08:08:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:08:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:08:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:08:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 08:08:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:08:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:08:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 08:08:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:08:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:08:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 08:08:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 08:08:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 08:08:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 08:08:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:25,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:08:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:08:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 08:08:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1801 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2021-11-17 08:08:26,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:08:26,022 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943942458] [2021-11-17 08:08:26,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943942458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:08:26,022 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:08:26,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:08:26,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054884180] [2021-11-17 08:08:26,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:08:26,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:08:26,023 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:08:26,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:08:26,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:08:26,024 INFO L87 Difference]: Start difference. First operand 64680 states and 84852 transitions. Second operand has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-17 08:08:28,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:08:30,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:08:44,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:08:44,191 INFO L93 Difference]: Finished difference Result 139037 states and 182895 transitions. [2021-11-17 08:08:44,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:08:44,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 406 [2021-11-17 08:08:44,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:08:44,609 INFO L225 Difference]: With dead ends: 139037 [2021-11-17 08:08:44,609 INFO L226 Difference]: Without dead ends: 74446 [2021-11-17 08:08:44,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:08:44,773 INFO L933 BasicCegarLoop]: 4481 mSDtfsCounter, 2188 mSDsluCounter, 3845 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 1027 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2599 SdHoareTripleChecker+Valid, 8326 SdHoareTripleChecker+Invalid, 2789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1027 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2021-11-17 08:08:44,773 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2599 Valid, 8326 Invalid, 2789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1027 Valid, 1760 Invalid, 2 Unknown, 0 Unchecked, 14.7s Time] [2021-11-17 08:08:44,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74446 states. [2021-11-17 08:08:47,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74446 to 72372. [2021-11-17 08:08:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72372 states, 48901 states have (on average 1.2006707429295924) internal successors, (58714), 49540 states have internal predecessors, (58714), 18091 states have call successors, (18091), 5388 states have call predecessors, (18091), 5378 states have return successors, (18137), 17983 states have call predecessors, (18137), 18091 states have call successors, (18137) [2021-11-17 08:08:48,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72372 states to 72372 states and 94942 transitions. [2021-11-17 08:08:48,476 INFO L78 Accepts]: Start accepts. Automaton has 72372 states and 94942 transitions. Word has length 406 [2021-11-17 08:08:48,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:08:48,477 INFO L470 AbstractCegarLoop]: Abstraction has 72372 states and 94942 transitions. [2021-11-17 08:08:48,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.5) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-17 08:08:48,477 INFO L276 IsEmpty]: Start isEmpty. Operand 72372 states and 94942 transitions. [2021-11-17 08:08:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-11-17 08:08:48,482 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:08:48,483 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 16, 16, 16, 16, 16, 16, 11, 11, 11, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:08:48,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-17 08:08:48,483 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:08:48,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:08:48,483 INFO L85 PathProgramCache]: Analyzing trace with hash 896819240, now seen corresponding path program 1 times [2021-11-17 08:08:48,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:08:48,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985518798] [2021-11-17 08:08:48,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:08:48,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:08:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:48,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:08:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:08:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:48,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:48,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:08:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:48,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:08:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:08:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:08:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:08:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:08:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:08:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:08:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:08:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:08:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:08:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:08:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:08:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:08:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 08:08:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-11-17 08:08:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 08:08:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 08:08:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 08:08:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-17 08:08:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:08:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 08:08:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 08:08:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:08:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:08:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 08:08:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:08:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:08:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 08:08:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 08:08:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 08:08:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 08:08:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:08:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:08:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 08:08:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 08:08:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:08:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 08:08:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 08:08:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:08:49,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2037 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2037 trivial. 0 not checked. [2021-11-17 08:08:49,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:08:49,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985518798] [2021-11-17 08:08:49,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985518798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:08:49,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:08:49,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:08:49,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405156076] [2021-11-17 08:08:49,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:08:49,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:08:49,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:08:49,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:08:49,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:08:49,366 INFO L87 Difference]: Start difference. First operand 72372 states and 94942 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 08:08:51,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:09:09,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:09:09,501 INFO L93 Difference]: Finished difference Result 74438 states and 98055 transitions. [2021-11-17 08:09:09,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:09:09,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 4 states have internal predecessors, (119), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 442 [2021-11-17 08:09:09,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:09:09,746 INFO L225 Difference]: With dead ends: 74438 [2021-11-17 08:09:09,746 INFO L226 Difference]: Without dead ends: 74436 [2021-11-17 08:09:09,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 08:09:09,782 INFO L933 BasicCegarLoop]: 2663 mSDtfsCounter, 2201 mSDsluCounter, 6122 mSDsCounter, 0 mSdLazyCounter, 2674 mSolverCounterSat, 1050 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2473 SdHoareTripleChecker+Valid, 8785 SdHoareTripleChecker+Invalid, 3725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1050 IncrementalHoareTripleChecker+Valid, 2674 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2021-11-17 08:09:09,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2473 Valid, 8785 Invalid, 3725 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1050 Valid, 2674 Invalid, 1 Unknown, 0 Unchecked, 16.7s Time] [2021-11-17 08:09:09,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74436 states.