./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-smsc-epic100.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.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 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:00:42,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:00:42,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:00:42,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:00:42,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:00:42,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:00:42,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:00:42,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:00:42,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:00:42,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:00:42,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:00:42,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:00:42,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:00:42,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:00:42,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:00:42,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:00:42,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:00:42,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:00:42,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:00:42,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:00:42,819 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:00:42,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:00:42,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:00:42,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:00:42,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:00:42,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:00:42,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:00:42,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:00:42,827 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:00:42,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:00:42,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:00:42,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:00:42,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:00:42,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:00:42,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:00:42,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:00:42,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:00:42,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:00:42,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:00:42,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:00:42,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:00:42,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:00:42,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:00:42,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:00:42,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:00:42,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:00:42,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:00:42,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:00:42,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:00:42,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:00:42,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:00:42,869 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:00:42,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:00:42,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:00:42,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:00:42,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:00:42,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:00:42,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:00:42,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:00:42,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:00:42,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:00:42,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:00:42,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:00:42,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:00:42,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:00:42,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:00:42,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:00:42,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:00:42,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:00:42,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:00:42,874 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:00:42,874 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:00:42,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:00:42,875 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08a377ea5583d5b51d35b7880dbbb43c3783bcaabfa79c83938a2c0ac78e3f7a [2022-07-14 03:00:43,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:00:43,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:00:43,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:00:43,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:00:43,186 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:00:43,187 INFO L432 ainManager$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-smsc-epic100.cil.i [2022-07-14 03:00:43,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d1625a1/cc1a7b79328d46e3bb6495b1e0e5934b/FLAG572fa28a2 [2022-07-14 03:00:44,122 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:00:44,123 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-smsc-epic100.cil.i [2022-07-14 03:00:44,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d1625a1/cc1a7b79328d46e3bb6495b1e0e5934b/FLAG572fa28a2 [2022-07-14 03:00:44,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30d1625a1/cc1a7b79328d46e3bb6495b1e0e5934b [2022-07-14 03:00:44,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:00:44,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:00:44,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:00:44,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:00:44,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:00:44,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:00:44" (1/1) ... [2022-07-14 03:00:44,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608d4e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:44, skipping insertion in model container [2022-07-14 03:00:44,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:00:44" (1/1) ... [2022-07-14 03:00:44,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:00:44,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:00:47,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i[331922,331935] [2022-07-14 03:00:47,148 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-smsc-epic100.cil.i[332091,332104] [2022-07-14 03:00:47,149 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-smsc-epic100.cil.i[332258,332271] [2022-07-14 03:00:47,149 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-smsc-epic100.cil.i[332426,332439] [2022-07-14 03:00:47,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:00:47,230 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:00:47,551 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-smsc-epic100.cil.i[331922,331935] [2022-07-14 03:00:47,551 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-smsc-epic100.cil.i[332091,332104] [2022-07-14 03:00:47,552 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-smsc-epic100.cil.i[332258,332271] [2022-07-14 03:00:47,552 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-smsc-epic100.cil.i[332426,332439] [2022-07-14 03:00:47,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:00:47,745 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:00:47,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47 WrapperNode [2022-07-14 03:00:47,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:00:47,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:00:47,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:00:47,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:00:47,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47" (1/1) ... [2022-07-14 03:00:47,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47" (1/1) ... [2022-07-14 03:00:48,039 INFO L137 Inliner]: procedures = 451, calls = 2016, calls flagged for inlining = 220, calls inlined = 194, statements flattened = 4695 [2022-07-14 03:00:48,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:00:48,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:00:48,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:00:48,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:00:48,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47" (1/1) ... [2022-07-14 03:00:48,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47" (1/1) ... [2022-07-14 03:00:48,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47" (1/1) ... [2022-07-14 03:00:48,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47" (1/1) ... [2022-07-14 03:00:48,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47" (1/1) ... [2022-07-14 03:00:48,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47" (1/1) ... [2022-07-14 03:00:48,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47" (1/1) ... [2022-07-14 03:00:48,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:00:48,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:00:48,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:00:48,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:00:48,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47" (1/1) ... [2022-07-14 03:00:48,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:00:48,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:00:48,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 03:00:48,403 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-14 03:00:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-14 03:00:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 03:00:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 03:00:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:00:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:00:48,404 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_begin [2022-07-14 03:00:48,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_begin [2022-07-14 03:00:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 03:00:48,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 03:00:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 03:00:48,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 03:00:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:00:48,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:00:48,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 03:00:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 03:00:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 03:00:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 03:00:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 03:00:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 03:00:48,406 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-14 03:00:48,406 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-14 03:00:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_73 [2022-07-14 03:00:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_73 [2022-07-14 03:00:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 03:00:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 03:00:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 03:00:48,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 03:00:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 03:00:48,407 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 03:00:48,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 03:00:48,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 03:00:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:00:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:00:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 03:00:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 03:00:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 03:00:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 03:00:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 03:00:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 03:00:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:00:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:00:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 03:00:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 03:00:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 03:00:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 03:00:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:00:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 03:00:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 03:00:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 03:00:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 03:00:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 03:00:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 03:00:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 03:00:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 03:00:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:00:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:00:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure epic_open [2022-07-14 03:00:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_open [2022-07-14 03:00:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 03:00:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-14 03:00:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-14 03:00:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 03:00:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 03:00:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:00:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:00:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 03:00:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 03:00:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:00:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:00:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:00:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:00:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 03:00:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 03:00:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 03:00:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 03:00:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure epic_restart [2022-07-14 03:00:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_restart [2022-07-14 03:00:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2022-07-14 03:00:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_epic_cleanup_14_2 [2022-07-14 03:00:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 03:00:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 03:00:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:00:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:00:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:00:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:00:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:00:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:00:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-07-14 03:00:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-07-14 03:00:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:00:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:00:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:00:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:00:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:00:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-14 03:00:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-14 03:00:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:00:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:00:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_epic_private [2022-07-14 03:00:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_epic_private [2022-07-14 03:00:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-14 03:00:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-14 03:00:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-14 03:00:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-14 03:00:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 03:00:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 03:00:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-14 03:00:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-14 03:00:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:00:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:00:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure epic_remove_one [2022-07-14 03:00:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_remove_one [2022-07-14 03:00:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 03:00:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 03:00:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 03:00:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 03:00:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_napi_lock_of_epic_private [2022-07-14 03:00:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_napi_lock_of_epic_private [2022-07-14 03:00:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 03:00:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 03:00:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-14 03:00:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-14 03:00:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:00:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:00:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:00:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:00:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:00:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:00:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 03:00:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 03:00:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure epic_rx [2022-07-14 03:00:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_rx [2022-07-14 03:00:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_complete [2022-07-14 03:00:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_complete [2022-07-14 03:00:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 03:00:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 03:00:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_napi_lock_of_epic_private [2022-07-14 03:00:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_napi_lock_of_epic_private [2022-07-14 03:00:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 03:00:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 03:00:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:00:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:00:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 03:00:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 03:00:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 03:00:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 03:00:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 03:00:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 03:00:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:00:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_72 [2022-07-14 03:00:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_72 [2022-07-14 03:00:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure epic_resume [2022-07-14 03:00:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_resume [2022-07-14 03:00:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 03:00:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 03:00:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:00:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure epic_tx_timeout [2022-07-14 03:00:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_tx_timeout [2022-07-14 03:00:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-14 03:00:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-14 03:00:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:00:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 03:00:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 03:00:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:00:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:00:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 03:00:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 03:00:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 03:00:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 03:00:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 03:00:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 03:00:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure epic_close [2022-07-14 03:00:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_close [2022-07-14 03:00:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 03:00:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 03:00:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 03:00:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:00:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:00:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 03:00:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 03:00:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_epic_private [2022-07-14 03:00:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_epic_private [2022-07-14 03:00:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:00:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:00:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 03:00:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 03:00:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 03:00:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:00:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:00:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure epic_pause [2022-07-14 03:00:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure epic_pause [2022-07-14 03:00:49,250 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:00:49,256 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:00:49,800 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:00:52,121 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:00:52,188 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:00:52,211 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:00:52,211 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 03:00:52,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:00:52 BoogieIcfgContainer [2022-07-14 03:00:52,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:00:52,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:00:52,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:00:52,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:00:52,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:00:44" (1/3) ... [2022-07-14 03:00:52,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a06580f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:00:52, skipping insertion in model container [2022-07-14 03:00:52,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:00:47" (2/3) ... [2022-07-14 03:00:52,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a06580f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:00:52, skipping insertion in model container [2022-07-14 03:00:52,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:00:52" (3/3) ... [2022-07-14 03:00:52,239 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-smsc-epic100.cil.i [2022-07-14 03:00:52,253 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:00:52,253 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 03:00:52,360 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:00:52,367 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5b622491, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@418a134e [2022-07-14 03:00:52,368 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 03:00:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 1716 states, 1186 states have (on average 1.3010118043844856) internal successors, (1543), 1220 states have internal predecessors, (1543), 441 states have call successors, (441), 87 states have call predecessors, (441), 86 states have return successors, (435), 430 states have call predecessors, (435), 435 states have call successors, (435) [2022-07-14 03:00:52,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-14 03:00:52,398 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:00:52,399 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:00:52,399 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:00:52,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:00:52,405 INFO L85 PathProgramCache]: Analyzing trace with hash 314341586, now seen corresponding path program 1 times [2022-07-14 03:00:52,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:00:52,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505360622] [2022-07-14 03:00:52,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:00:52,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:00:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:00:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:00:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:00:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:00:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:00:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:00:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:00:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:00:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:00:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:00:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 03:00:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:53,500 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-14 03:00:53,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:00:53,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505360622] [2022-07-14 03:00:53,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505360622] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:00:53,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:00:53,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:00:53,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377176956] [2022-07-14 03:00:53,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:00:53,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:00:53,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:00:53,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:00:53,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:00:53,552 INFO L87 Difference]: Start difference. First operand has 1716 states, 1186 states have (on average 1.3010118043844856) internal successors, (1543), 1220 states have internal predecessors, (1543), 441 states have call successors, (441), 87 states have call predecessors, (441), 86 states have return successors, (435), 430 states have call predecessors, (435), 435 states have call successors, (435) Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 03:00:57,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:00:57,603 INFO L93 Difference]: Finished difference Result 5035 states and 7251 transitions. [2022-07-14 03:00:57,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:00:57,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 127 [2022-07-14 03:00:57,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:00:57,653 INFO L225 Difference]: With dead ends: 5035 [2022-07-14 03:00:57,654 INFO L226 Difference]: Without dead ends: 3332 [2022-07-14 03:00:57,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:00:57,675 INFO L413 NwaCegarLoop]: 2603 mSDtfsCounter, 2683 mSDsluCounter, 2525 mSDsCounter, 0 mSdLazyCounter, 1764 mSolverCounterSat, 1100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3064 SdHoareTripleChecker+Valid, 5128 SdHoareTripleChecker+Invalid, 2864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1100 IncrementalHoareTripleChecker+Valid, 1764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:00:57,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3064 Valid, 5128 Invalid, 2864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1100 Valid, 1764 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-14 03:00:57,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2022-07-14 03:00:57,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 3300. [2022-07-14 03:00:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 2301 states have (on average 1.2759669708822252) internal successors, (2936), 2368 states have internal predecessors, (2936), 828 states have call successors, (828), 169 states have call predecessors, (828), 168 states have return successors, (824), 814 states have call predecessors, (824), 824 states have call successors, (824) [2022-07-14 03:00:57,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4588 transitions. [2022-07-14 03:00:57,978 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4588 transitions. Word has length 127 [2022-07-14 03:00:57,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:00:57,981 INFO L495 AbstractCegarLoop]: Abstraction has 3300 states and 4588 transitions. [2022-07-14 03:00:57,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 03:00:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4588 transitions. [2022-07-14 03:00:57,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-07-14 03:00:57,994 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:00:57,994 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:00:57,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 03:00:57,995 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:00:57,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:00:57,996 INFO L85 PathProgramCache]: Analyzing trace with hash 2030801047, now seen corresponding path program 1 times [2022-07-14 03:00:57,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:00:57,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955181254] [2022-07-14 03:00:57,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:00:57,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:00:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:00:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:00:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:00:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:00:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:00:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:00:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:00:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:00:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:00:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:00:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:00:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:00:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:00:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-14 03:00:58,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:00:58,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955181254] [2022-07-14 03:00:58,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955181254] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:00:58,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:00:58,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:00:58,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187990812] [2022-07-14 03:00:58,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:00:58,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:00:58,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:00:58,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:00:58,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:00:58,499 INFO L87 Difference]: Start difference. First operand 3300 states and 4588 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 03:01:02,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:02,125 INFO L93 Difference]: Finished difference Result 9372 states and 13067 transitions. [2022-07-14 03:01:02,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:01:02,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 136 [2022-07-14 03:01:02,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:02,169 INFO L225 Difference]: With dead ends: 9372 [2022-07-14 03:01:02,169 INFO L226 Difference]: Without dead ends: 6095 [2022-07-14 03:01:02,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:01:02,188 INFO L413 NwaCegarLoop]: 2554 mSDtfsCounter, 2353 mSDsluCounter, 2483 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 1083 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2698 SdHoareTripleChecker+Valid, 5037 SdHoareTripleChecker+Invalid, 2845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1083 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:02,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2698 Valid, 5037 Invalid, 2845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1083 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-14 03:01:02,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6095 states. [2022-07-14 03:01:02,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6095 to 6013. [2022-07-14 03:01:02,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6013 states, 4176 states have (on average 1.2775383141762453) internal successors, (5335), 4304 states have internal predecessors, (5335), 1515 states have call successors, (1515), 320 states have call predecessors, (1515), 319 states have return successors, (1515), 1484 states have call predecessors, (1515), 1511 states have call successors, (1515) [2022-07-14 03:01:02,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6013 states to 6013 states and 8365 transitions. [2022-07-14 03:01:02,490 INFO L78 Accepts]: Start accepts. Automaton has 6013 states and 8365 transitions. Word has length 136 [2022-07-14 03:01:02,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:02,491 INFO L495 AbstractCegarLoop]: Abstraction has 6013 states and 8365 transitions. [2022-07-14 03:01:02,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-14 03:01:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 6013 states and 8365 transitions. [2022-07-14 03:01:02,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-07-14 03:01:02,496 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:02,496 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:01:02,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 03:01:02,497 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:02,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:02,497 INFO L85 PathProgramCache]: Analyzing trace with hash 887600161, now seen corresponding path program 1 times [2022-07-14 03:01:02,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:02,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792299624] [2022-07-14 03:01:02,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:02,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 03:01:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 03:01:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:01:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-14 03:01:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-07-14 03:01:02,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:02,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792299624] [2022-07-14 03:01:02,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792299624] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:02,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:02,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:01:02,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362829545] [2022-07-14 03:01:02,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:02,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:01:02,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:02,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:01:02,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:01:02,939 INFO L87 Difference]: Start difference. First operand 6013 states and 8365 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-14 03:01:06,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:06,601 INFO L93 Difference]: Finished difference Result 17557 states and 24466 transitions. [2022-07-14 03:01:06,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:01:06,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 142 [2022-07-14 03:01:06,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:06,706 INFO L225 Difference]: With dead ends: 17557 [2022-07-14 03:01:06,706 INFO L226 Difference]: Without dead ends: 11567 [2022-07-14 03:01:06,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:01:06,750 INFO L413 NwaCegarLoop]: 2725 mSDtfsCounter, 2566 mSDsluCounter, 2571 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 1074 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2933 SdHoareTripleChecker+Valid, 5296 SdHoareTripleChecker+Invalid, 2795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1074 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:06,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2933 Valid, 5296 Invalid, 2795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1074 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-14 03:01:06,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11567 states. [2022-07-14 03:01:07,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11567 to 11425. [2022-07-14 03:01:07,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11425 states, 7954 states have (on average 1.2777219009303495) internal successors, (10163), 8198 states have internal predecessors, (10163), 2855 states have call successors, (2855), 622 states have call predecessors, (2855), 613 states have return successors, (2867), 2776 states have call predecessors, (2867), 2851 states have call successors, (2867) [2022-07-14 03:01:07,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11425 states to 11425 states and 15885 transitions. [2022-07-14 03:01:07,445 INFO L78 Accepts]: Start accepts. Automaton has 11425 states and 15885 transitions. Word has length 142 [2022-07-14 03:01:07,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:07,446 INFO L495 AbstractCegarLoop]: Abstraction has 11425 states and 15885 transitions. [2022-07-14 03:01:07,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-14 03:01:07,447 INFO L276 IsEmpty]: Start isEmpty. Operand 11425 states and 15885 transitions. [2022-07-14 03:01:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-14 03:01:07,453 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:07,454 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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] [2022-07-14 03:01:07,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 03:01:07,454 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:07,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:07,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1482421771, now seen corresponding path program 1 times [2022-07-14 03:01:07,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:07,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785723949] [2022-07-14 03:01:07,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:07,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:01:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:01:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:01:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:01:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:01:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:01:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:01:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2022-07-14 03:01:07,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:07,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785723949] [2022-07-14 03:01:07,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785723949] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:07,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:07,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:01:07,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924545222] [2022-07-14 03:01:07,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:07,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:01:07,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:07,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:01:07,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:01:07,908 INFO L87 Difference]: Start difference. First operand 11425 states and 15885 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 03:01:11,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:11,727 INFO L93 Difference]: Finished difference Result 23037 states and 32075 transitions. [2022-07-14 03:01:11,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:01:11,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 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 183 [2022-07-14 03:01:11,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:11,901 INFO L225 Difference]: With dead ends: 23037 [2022-07-14 03:01:11,901 INFO L226 Difference]: Without dead ends: 17169 [2022-07-14 03:01:11,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:01:11,948 INFO L413 NwaCegarLoop]: 4386 mSDtfsCounter, 2222 mSDsluCounter, 3514 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2599 SdHoareTripleChecker+Valid, 7900 SdHoareTripleChecker+Invalid, 2487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:11,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2599 Valid, 7900 Invalid, 2487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [697 Valid, 1790 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-14 03:01:11,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17169 states. [2022-07-14 03:01:12,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17169 to 17003. [2022-07-14 03:01:12,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17003 states, 11847 states have (on average 1.2779606651472948) internal successors, (15140), 12206 states have internal predecessors, (15140), 4236 states have call successors, (4236), 930 states have call predecessors, (4236), 917 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-14 03:01:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17003 states to 17003 states and 23632 transitions. [2022-07-14 03:01:12,766 INFO L78 Accepts]: Start accepts. Automaton has 17003 states and 23632 transitions. Word has length 183 [2022-07-14 03:01:12,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:12,768 INFO L495 AbstractCegarLoop]: Abstraction has 17003 states and 23632 transitions. [2022-07-14 03:01:12,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 03:01:12,769 INFO L276 IsEmpty]: Start isEmpty. Operand 17003 states and 23632 transitions. [2022-07-14 03:01:12,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-14 03:01:12,774 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:12,775 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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] [2022-07-14 03:01:12,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 03:01:12,775 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:12,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:12,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1622970381, now seen corresponding path program 1 times [2022-07-14 03:01:12,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:12,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353377511] [2022-07-14 03:01:12,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:12,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:01:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:01:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:01:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:01:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:01:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:01:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:01:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-07-14 03:01:13,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:13,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353377511] [2022-07-14 03:01:13,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353377511] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:13,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:13,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:01:13,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215602586] [2022-07-14 03:01:13,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:13,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:01:13,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:13,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:01:13,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:01:13,383 INFO L87 Difference]: Start difference. First operand 17003 states and 23632 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 03:01:16,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:16,331 INFO L93 Difference]: Finished difference Result 17171 states and 23916 transitions. [2022-07-14 03:01:16,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:01:16,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 183 [2022-07-14 03:01:16,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:16,441 INFO L225 Difference]: With dead ends: 17171 [2022-07-14 03:01:16,441 INFO L226 Difference]: Without dead ends: 17169 [2022-07-14 03:01:16,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:01:16,458 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 2292 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2584 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 2966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 731 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:16,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2584 Valid, 6275 Invalid, 2966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [731 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 03:01:16,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17169 states. [2022-07-14 03:01:17,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17169 to 17007. [2022-07-14 03:01:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17007 states, 11850 states have (on average 1.2778902953586497) internal successors, (15143), 12209 states have internal predecessors, (15143), 4236 states have call successors, (4236), 931 states have call predecessors, (4236), 918 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-14 03:01:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17007 states to 17007 states and 23635 transitions. [2022-07-14 03:01:17,333 INFO L78 Accepts]: Start accepts. Automaton has 17007 states and 23635 transitions. Word has length 183 [2022-07-14 03:01:17,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:17,334 INFO L495 AbstractCegarLoop]: Abstraction has 17007 states and 23635 transitions. [2022-07-14 03:01:17,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 03:01:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 17007 states and 23635 transitions. [2022-07-14 03:01:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-14 03:01:17,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:17,342 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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] [2022-07-14 03:01:17,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 03:01:17,343 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:17,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:17,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1092258744, now seen corresponding path program 1 times [2022-07-14 03:01:17,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:17,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522022721] [2022-07-14 03:01:17,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:17,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:01:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:01:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:01:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:01:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:01:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:01:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:01:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:01:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:17,821 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-07-14 03:01:17,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:17,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522022721] [2022-07-14 03:01:17,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522022721] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:17,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:17,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:01:17,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352178259] [2022-07-14 03:01:17,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:17,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:01:17,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:17,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:01:17,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:01:17,824 INFO L87 Difference]: Start difference. First operand 17007 states and 23635 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, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-14 03:01:20,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:20,385 INFO L93 Difference]: Finished difference Result 17175 states and 23919 transitions. [2022-07-14 03:01:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:01:20,387 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, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 188 [2022-07-14 03:01:20,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:20,499 INFO L225 Difference]: With dead ends: 17175 [2022-07-14 03:01:20,499 INFO L226 Difference]: Without dead ends: 17173 [2022-07-14 03:01:20,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:01:20,518 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2284 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 730 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 2965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 730 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:20,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6278 Invalid, 2965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [730 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-14 03:01:20,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17173 states. [2022-07-14 03:01:21,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17173 to 17011. [2022-07-14 03:01:21,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17011 states, 11853 states have (on average 1.2778199611912595) internal successors, (15146), 12212 states have internal predecessors, (15146), 4236 states have call successors, (4236), 932 states have call predecessors, (4236), 919 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-14 03:01:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17011 states to 17011 states and 23638 transitions. [2022-07-14 03:01:21,333 INFO L78 Accepts]: Start accepts. Automaton has 17011 states and 23638 transitions. Word has length 188 [2022-07-14 03:01:21,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:21,334 INFO L495 AbstractCegarLoop]: Abstraction has 17011 states and 23638 transitions. [2022-07-14 03:01:21,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-14 03:01:21,335 INFO L276 IsEmpty]: Start isEmpty. Operand 17011 states and 23638 transitions. [2022-07-14 03:01:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-14 03:01:21,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:21,343 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 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] [2022-07-14 03:01:21,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 03:01:21,343 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:21,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:21,344 INFO L85 PathProgramCache]: Analyzing trace with hash -2027210067, now seen corresponding path program 1 times [2022-07-14 03:01:21,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:21,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207026455] [2022-07-14 03:01:21,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:21,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:01:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:01:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:01:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:01:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:01:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:01:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:01:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:01:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 03:01:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:21,848 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2022-07-14 03:01:21,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:21,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207026455] [2022-07-14 03:01:21,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207026455] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:21,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:21,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:01:21,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819392216] [2022-07-14 03:01:21,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:21,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:01:21,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:21,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:01:21,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:01:21,851 INFO L87 Difference]: Start difference. First operand 17011 states and 23638 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, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 03:01:24,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:24,532 INFO L93 Difference]: Finished difference Result 17179 states and 23922 transitions. [2022-07-14 03:01:24,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:01:24,533 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, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 193 [2022-07-14 03:01:24,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:24,648 INFO L225 Difference]: With dead ends: 17179 [2022-07-14 03:01:24,649 INFO L226 Difference]: Without dead ends: 17177 [2022-07-14 03:01:24,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:01:24,669 INFO L413 NwaCegarLoop]: 2261 mSDtfsCounter, 2284 mSDsluCounter, 4025 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 729 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2574 SdHoareTripleChecker+Valid, 6286 SdHoareTripleChecker+Invalid, 2964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:24,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2574 Valid, 6286 Invalid, 2964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [729 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-14 03:01:24,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17177 states. [2022-07-14 03:01:25,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17177 to 17015. [2022-07-14 03:01:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17015 states, 11856 states have (on average 1.2777496626180838) internal successors, (15149), 12215 states have internal predecessors, (15149), 4236 states have call successors, (4236), 933 states have call predecessors, (4236), 920 states have return successors, (4256), 4124 states have call predecessors, (4256), 4232 states have call successors, (4256) [2022-07-14 03:01:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17015 states to 17015 states and 23641 transitions. [2022-07-14 03:01:25,554 INFO L78 Accepts]: Start accepts. Automaton has 17015 states and 23641 transitions. Word has length 193 [2022-07-14 03:01:25,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:25,555 INFO L495 AbstractCegarLoop]: Abstraction has 17015 states and 23641 transitions. [2022-07-14 03:01:25,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 03:01:25,556 INFO L276 IsEmpty]: Start isEmpty. Operand 17015 states and 23641 transitions. [2022-07-14 03:01:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-14 03:01:25,564 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:25,565 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 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] [2022-07-14 03:01:25,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 03:01:25,565 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:25,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:25,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1450199562, now seen corresponding path program 1 times [2022-07-14 03:01:25,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:25,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222641206] [2022-07-14 03:01:25,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:25,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:01:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:01:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:01:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:01:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:01:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:01:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 03:01:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-14 03:01:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 03:01:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 03:01:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 03:01:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:01:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-14 03:01:25,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:25,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222641206] [2022-07-14 03:01:25,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222641206] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:25,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:25,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 03:01:25,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981620844] [2022-07-14 03:01:25,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:25,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:01:25,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:25,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:01:25,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:01:25,935 INFO L87 Difference]: Start difference. First operand 17015 states and 23641 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 03:01:33,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:33,058 INFO L93 Difference]: Finished difference Result 34306 states and 47724 transitions. [2022-07-14 03:01:33,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 03:01:33,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 210 [2022-07-14 03:01:33,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:33,327 INFO L225 Difference]: With dead ends: 34306 [2022-07-14 03:01:33,327 INFO L226 Difference]: Without dead ends: 22848 [2022-07-14 03:01:33,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 03:01:33,389 INFO L413 NwaCegarLoop]: 4116 mSDtfsCounter, 2893 mSDsluCounter, 3254 mSDsCounter, 0 mSdLazyCounter, 4009 mSolverCounterSat, 1917 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3204 SdHoareTripleChecker+Valid, 7370 SdHoareTripleChecker+Invalid, 5926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1917 IncrementalHoareTripleChecker+Valid, 4009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:33,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3204 Valid, 7370 Invalid, 5926 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1917 Valid, 4009 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-14 03:01:33,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22848 states. [2022-07-14 03:01:34,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22848 to 22597. [2022-07-14 03:01:34,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22597 states, 15753 states have (on average 1.2778518377451913) internal successors, (20130), 16227 states have internal predecessors, (20130), 5617 states have call successors, (5617), 1241 states have call predecessors, (5617), 1224 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-14 03:01:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22597 states to 22597 states and 31392 transitions. [2022-07-14 03:01:34,660 INFO L78 Accepts]: Start accepts. Automaton has 22597 states and 31392 transitions. Word has length 210 [2022-07-14 03:01:34,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:34,661 INFO L495 AbstractCegarLoop]: Abstraction has 22597 states and 31392 transitions. [2022-07-14 03:01:34,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 03:01:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 22597 states and 31392 transitions. [2022-07-14 03:01:34,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-07-14 03:01:34,670 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:34,670 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 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] [2022-07-14 03:01:34,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 03:01:34,671 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:34,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:34,671 INFO L85 PathProgramCache]: Analyzing trace with hash 411546776, now seen corresponding path program 1 times [2022-07-14 03:01:34,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:34,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51333485] [2022-07-14 03:01:34,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:34,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:34,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:34,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:34,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:01:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:01:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:01:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:01:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:01:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:01:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:01:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:01:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 03:01:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 03:01:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-07-14 03:01:35,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:35,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51333485] [2022-07-14 03:01:35,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51333485] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:35,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:35,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:01:35,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560335335] [2022-07-14 03:01:35,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:35,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:01:35,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:35,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:01:35,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:01:35,138 INFO L87 Difference]: Start difference. First operand 22597 states and 31392 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, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 03:01:38,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:38,228 INFO L93 Difference]: Finished difference Result 22819 states and 31766 transitions. [2022-07-14 03:01:38,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:01:38,230 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, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 198 [2022-07-14 03:01:38,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:38,365 INFO L225 Difference]: With dead ends: 22819 [2022-07-14 03:01:38,366 INFO L226 Difference]: Without dead ends: 22817 [2022-07-14 03:01:38,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:01:38,392 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2284 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 2963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 728 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:38,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6278 Invalid, 2963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [728 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 03:01:38,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22817 states. [2022-07-14 03:01:39,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22817 to 22601. [2022-07-14 03:01:39,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22601 states, 15756 states have (on average 1.277798933739528) internal successors, (20133), 16230 states have internal predecessors, (20133), 5617 states have call successors, (5617), 1242 states have call predecessors, (5617), 1225 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-14 03:01:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22601 states to 22601 states and 31395 transitions. [2022-07-14 03:01:39,606 INFO L78 Accepts]: Start accepts. Automaton has 22601 states and 31395 transitions. Word has length 198 [2022-07-14 03:01:39,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:39,607 INFO L495 AbstractCegarLoop]: Abstraction has 22601 states and 31395 transitions. [2022-07-14 03:01:39,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 03:01:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 22601 states and 31395 transitions. [2022-07-14 03:01:39,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-14 03:01:39,618 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:39,619 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 4, 4, 4, 4, 4, 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] [2022-07-14 03:01:39,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 03:01:39,619 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:39,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:39,620 INFO L85 PathProgramCache]: Analyzing trace with hash 204393805, now seen corresponding path program 1 times [2022-07-14 03:01:39,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:39,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348613921] [2022-07-14 03:01:39,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:39,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:39,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:39,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:01:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:01:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:01:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:01:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:40,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:01:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:01:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:01:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:01:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 03:01:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 03:01:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 03:01:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:40,304 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2022-07-14 03:01:40,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:40,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348613921] [2022-07-14 03:01:40,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348613921] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:40,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:40,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:01:40,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305057401] [2022-07-14 03:01:40,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:40,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:01:40,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:40,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:01:40,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:01:40,308 INFO L87 Difference]: Start difference. First operand 22601 states and 31395 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, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-14 03:01:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:43,095 INFO L93 Difference]: Finished difference Result 22823 states and 31769 transitions. [2022-07-14 03:01:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:01:43,096 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, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 203 [2022-07-14 03:01:43,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:43,200 INFO L225 Difference]: With dead ends: 22823 [2022-07-14 03:01:43,200 INFO L226 Difference]: Without dead ends: 22821 [2022-07-14 03:01:43,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:01:43,217 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2284 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 727 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 2962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 727 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:43,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6278 Invalid, 2962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [727 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-14 03:01:43,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22821 states. [2022-07-14 03:01:44,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22821 to 22605. [2022-07-14 03:01:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22605 states, 15759 states have (on average 1.2777460498762612) internal successors, (20136), 16233 states have internal predecessors, (20136), 5617 states have call successors, (5617), 1243 states have call predecessors, (5617), 1226 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-14 03:01:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22605 states to 22605 states and 31398 transitions. [2022-07-14 03:01:44,548 INFO L78 Accepts]: Start accepts. Automaton has 22605 states and 31398 transitions. Word has length 203 [2022-07-14 03:01:44,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:44,551 INFO L495 AbstractCegarLoop]: Abstraction has 22605 states and 31398 transitions. [2022-07-14 03:01:44,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-14 03:01:44,551 INFO L276 IsEmpty]: Start isEmpty. Operand 22605 states and 31398 transitions. [2022-07-14 03:01:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-07-14 03:01:44,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:44,576 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 6, 5, 5, 4, 4, 4, 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] [2022-07-14 03:01:44,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 03:01:44,576 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:44,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:44,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1915811192, now seen corresponding path program 1 times [2022-07-14 03:01:44,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:44,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895698148] [2022-07-14 03:01:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:44,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:44,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:01:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:44,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:01:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:01:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:01:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:01:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:01:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:01:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:01:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 03:01:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 03:01:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 03:01:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:01:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:45,118 INFO L134 CoverageAnalysis]: Checked inductivity of 534 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2022-07-14 03:01:45,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:45,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895698148] [2022-07-14 03:01:45,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895698148] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:45,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:45,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:01:45,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934715480] [2022-07-14 03:01:45,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:45,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:01:45,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:45,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:01:45,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:01:45,122 INFO L87 Difference]: Start difference. First operand 22605 states and 31398 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, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 03:01:47,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:47,783 INFO L93 Difference]: Finished difference Result 22827 states and 31772 transitions. [2022-07-14 03:01:47,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:01:47,784 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, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 208 [2022-07-14 03:01:47,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:47,868 INFO L225 Difference]: With dead ends: 22827 [2022-07-14 03:01:47,868 INFO L226 Difference]: Without dead ends: 22825 [2022-07-14 03:01:47,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:01:47,882 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2284 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 726 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 2961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 726 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:47,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6278 Invalid, 2961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [726 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-14 03:01:47,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22825 states. [2022-07-14 03:01:48,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22825 to 22609. [2022-07-14 03:01:48,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22609 states, 15762 states have (on average 1.2776931861438903) internal successors, (20139), 16236 states have internal predecessors, (20139), 5617 states have call successors, (5617), 1244 states have call predecessors, (5617), 1227 states have return successors, (5645), 5472 states have call predecessors, (5645), 5613 states have call successors, (5645) [2022-07-14 03:01:48,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22609 states to 22609 states and 31401 transitions. [2022-07-14 03:01:48,887 INFO L78 Accepts]: Start accepts. Automaton has 22609 states and 31401 transitions. Word has length 208 [2022-07-14 03:01:48,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:48,888 INFO L495 AbstractCegarLoop]: Abstraction has 22609 states and 31401 transitions. [2022-07-14 03:01:48,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 03:01:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 22609 states and 31401 transitions. [2022-07-14 03:01:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-07-14 03:01:48,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:48,901 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 7, 6, 6, 4, 4, 4, 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] [2022-07-14 03:01:48,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 03:01:48,901 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:48,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:48,902 INFO L85 PathProgramCache]: Analyzing trace with hash 147146733, now seen corresponding path program 1 times [2022-07-14 03:01:48,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:48,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557955935] [2022-07-14 03:01:48,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:48,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:01:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:01:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:01:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:01:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:01:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:01:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:01:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:01:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 03:01:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 03:01:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 03:01:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:01:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-14 03:01:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:49,346 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-07-14 03:01:49,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:49,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557955935] [2022-07-14 03:01:49,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557955935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:49,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:49,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:01:49,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480753195] [2022-07-14 03:01:49,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:49,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:01:49,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:49,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:01:49,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:01:49,350 INFO L87 Difference]: Start difference. First operand 22609 states and 31401 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, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-14 03:01:52,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:52,573 INFO L93 Difference]: Finished difference Result 23353 states and 32344 transitions. [2022-07-14 03:01:52,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 03:01:52,574 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, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 213 [2022-07-14 03:01:52,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:52,658 INFO L225 Difference]: With dead ends: 23353 [2022-07-14 03:01:52,658 INFO L226 Difference]: Without dead ends: 23351 [2022-07-14 03:01:52,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:01:52,671 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2291 mSDsluCounter, 4054 mSDsCounter, 0 mSdLazyCounter, 2364 mSolverCounterSat, 732 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2586 SdHoareTripleChecker+Valid, 6313 SdHoareTripleChecker+Invalid, 3096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 732 IncrementalHoareTripleChecker+Valid, 2364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:52,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2586 Valid, 6313 Invalid, 3096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [732 Valid, 2364 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 03:01:52,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23351 states. [2022-07-14 03:01:53,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23351 to 23133. [2022-07-14 03:01:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23133 states, 16113 states have (on average 1.2743747284801092) internal successors, (20534), 16603 states have internal predecessors, (20534), 5705 states have call successors, (5705), 1329 states have call predecessors, (5705), 1312 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-14 03:01:53,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23133 states to 23133 states and 31972 transitions. [2022-07-14 03:01:53,621 INFO L78 Accepts]: Start accepts. Automaton has 23133 states and 31972 transitions. Word has length 213 [2022-07-14 03:01:53,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:53,622 INFO L495 AbstractCegarLoop]: Abstraction has 23133 states and 31972 transitions. [2022-07-14 03:01:53,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-14 03:01:53,622 INFO L276 IsEmpty]: Start isEmpty. Operand 23133 states and 31972 transitions. [2022-07-14 03:01:53,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-14 03:01:53,633 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:53,634 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 8, 7, 7, 4, 4, 4, 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] [2022-07-14 03:01:53,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-14 03:01:53,634 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:53,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:53,635 INFO L85 PathProgramCache]: Analyzing trace with hash 601378392, now seen corresponding path program 1 times [2022-07-14 03:01:53,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:53,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818498182] [2022-07-14 03:01:53,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:53,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:01:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:01:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:01:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:01:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:01:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:01:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:01:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:01:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 03:01:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 03:01:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 03:01:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:01:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-14 03:01:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 03:01:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:54,256 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2022-07-14 03:01:54,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:54,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818498182] [2022-07-14 03:01:54,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818498182] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:54,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:54,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:01:54,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617704528] [2022-07-14 03:01:54,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:54,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:01:54,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:54,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:01:54,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:01:54,260 INFO L87 Difference]: Start difference. First operand 23133 states and 31972 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 03:01:57,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:01:57,576 INFO L93 Difference]: Finished difference Result 23355 states and 32346 transitions. [2022-07-14 03:01:57,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:01:57,577 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 218 [2022-07-14 03:01:57,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:01:57,683 INFO L225 Difference]: With dead ends: 23355 [2022-07-14 03:01:57,683 INFO L226 Difference]: Without dead ends: 23353 [2022-07-14 03:01:57,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:01:57,701 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2284 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 724 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 2959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 724 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:01:57,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6278 Invalid, 2959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [724 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 03:01:57,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23353 states. [2022-07-14 03:01:58,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23353 to 23137. [2022-07-14 03:01:58,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23137 states, 16116 states have (on average 1.2743236535120377) internal successors, (20537), 16606 states have internal predecessors, (20537), 5705 states have call successors, (5705), 1330 states have call predecessors, (5705), 1313 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-14 03:01:58,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23137 states to 23137 states and 31975 transitions. [2022-07-14 03:01:58,965 INFO L78 Accepts]: Start accepts. Automaton has 23137 states and 31975 transitions. Word has length 218 [2022-07-14 03:01:58,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:01:58,966 INFO L495 AbstractCegarLoop]: Abstraction has 23137 states and 31975 transitions. [2022-07-14 03:01:58,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-14 03:01:58,966 INFO L276 IsEmpty]: Start isEmpty. Operand 23137 states and 31975 transitions. [2022-07-14 03:01:58,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-07-14 03:01:58,979 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:01:58,979 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 9, 8, 8, 4, 4, 4, 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] [2022-07-14 03:01:58,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 03:01:58,979 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:01:58,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:01:58,980 INFO L85 PathProgramCache]: Analyzing trace with hash -261313907, now seen corresponding path program 1 times [2022-07-14 03:01:58,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:01:58,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612776412] [2022-07-14 03:01:58,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:01:58,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:01:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:01:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:01:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:01:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:59,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:01:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:01:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:01:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:01:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:01:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:01:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:01:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:01:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:01:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:01:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:01:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:01:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:01:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:01:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:01:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:01:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 03:01:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 03:01:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 03:01:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:01:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-14 03:01:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 03:01:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 03:01:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:01:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-07-14 03:01:59,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:01:59,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612776412] [2022-07-14 03:01:59,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612776412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:01:59,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:01:59,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:01:59,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267624330] [2022-07-14 03:01:59,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:01:59,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:01:59,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:01:59,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:01:59,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:01:59,476 INFO L87 Difference]: Start difference. First operand 23137 states and 31975 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, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 03:02:02,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:02:02,619 INFO L93 Difference]: Finished difference Result 23465 states and 32422 transitions. [2022-07-14 03:02:02,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 03:02:02,619 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, (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 223 [2022-07-14 03:02:02,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:02:02,719 INFO L225 Difference]: With dead ends: 23465 [2022-07-14 03:02:02,719 INFO L226 Difference]: Without dead ends: 23463 [2022-07-14 03:02:02,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:02:02,736 INFO L413 NwaCegarLoop]: 2264 mSDtfsCounter, 2264 mSDsluCounter, 4045 mSDsCounter, 0 mSdLazyCounter, 2269 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2553 SdHoareTripleChecker+Valid, 6309 SdHoareTripleChecker+Invalid, 2988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 2269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:02:02,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2553 Valid, 6309 Invalid, 2988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 2269 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-14 03:02:02,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23463 states. [2022-07-14 03:02:03,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23463 to 23245. [2022-07-14 03:02:03,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23245 states, 16191 states have (on average 1.2730529306404792) internal successors, (20612), 16681 states have internal predecessors, (20612), 5705 states have call successors, (5705), 1363 states have call predecessors, (5705), 1346 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-14 03:02:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23245 states to 23245 states and 32050 transitions. [2022-07-14 03:02:03,816 INFO L78 Accepts]: Start accepts. Automaton has 23245 states and 32050 transitions. Word has length 223 [2022-07-14 03:02:03,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:02:03,817 INFO L495 AbstractCegarLoop]: Abstraction has 23245 states and 32050 transitions. [2022-07-14 03:02:03,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 03:02:03,817 INFO L276 IsEmpty]: Start isEmpty. Operand 23245 states and 32050 transitions. [2022-07-14 03:02:03,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-14 03:02:03,834 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:02:03,835 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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] [2022-07-14 03:02:03,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-14 03:02:03,835 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:02:03,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:02:03,836 INFO L85 PathProgramCache]: Analyzing trace with hash 952090424, now seen corresponding path program 1 times [2022-07-14 03:02:03,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:02:03,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570441469] [2022-07-14 03:02:03,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:02:03,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:02:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:02:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:02:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:02:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:02:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:02:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:02:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:02:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:02:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:02:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:02:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:02:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:02:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:02:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:02:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:02:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:02:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:02:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:02:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 03:02:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 03:02:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 03:02:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:02:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-14 03:02:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 03:02:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 03:02:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-14 03:02:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:04,330 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2022-07-14 03:02:04,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:02:04,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570441469] [2022-07-14 03:02:04,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570441469] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:02:04,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:02:04,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:02:04,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012003659] [2022-07-14 03:02:04,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:02:04,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:02:04,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:02:04,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:02:04,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:02:04,333 INFO L87 Difference]: Start difference. First operand 23245 states and 32050 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, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-14 03:02:07,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:02:07,558 INFO L93 Difference]: Finished difference Result 23467 states and 32424 transitions. [2022-07-14 03:02:07,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:02:07,559 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, (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 228 [2022-07-14 03:02:07,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:02:07,655 INFO L225 Difference]: With dead ends: 23467 [2022-07-14 03:02:07,656 INFO L226 Difference]: Without dead ends: 23465 [2022-07-14 03:02:07,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:02:07,674 INFO L413 NwaCegarLoop]: 2259 mSDtfsCounter, 2284 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2235 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2576 SdHoareTripleChecker+Valid, 6278 SdHoareTripleChecker+Invalid, 2957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 2235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:02:07,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2576 Valid, 6278 Invalid, 2957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [722 Valid, 2235 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 03:02:07,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23465 states. [2022-07-14 03:02:08,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23465 to 23249. [2022-07-14 03:02:08,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23249 states, 16194 states have (on average 1.2730023465481042) internal successors, (20615), 16684 states have internal predecessors, (20615), 5705 states have call successors, (5705), 1364 states have call predecessors, (5705), 1347 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-14 03:02:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23249 states to 23249 states and 32053 transitions. [2022-07-14 03:02:08,741 INFO L78 Accepts]: Start accepts. Automaton has 23249 states and 32053 transitions. Word has length 228 [2022-07-14 03:02:08,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:02:08,741 INFO L495 AbstractCegarLoop]: Abstraction has 23249 states and 32053 transitions. [2022-07-14 03:02:08,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-14 03:02:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 23249 states and 32053 transitions. [2022-07-14 03:02:08,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-14 03:02:08,751 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:02:08,751 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 11, 10, 10, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:02:08,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-14 03:02:08,752 INFO L420 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)] === [2022-07-14 03:02:08,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:02:08,752 INFO L85 PathProgramCache]: Analyzing trace with hash -659609587, now seen corresponding path program 1 times [2022-07-14 03:02:08,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:02:08,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787472226] [2022-07-14 03:02:08,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:02:08,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:02:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:08,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:02:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:02:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:02:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:02:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:02:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:02:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:02:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:02:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:02:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:02:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:02:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:02:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:02:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:02:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:02:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:02:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-14 03:02:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 03:02:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 03:02:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 03:02:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 03:02:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 03:02:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 03:02:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 03:02:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 03:02:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-14 03:02:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 03:02:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 03:02:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:02:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 03:02:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 03:02:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-14 03:02:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2022-07-14 03:02:09,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:02:09,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787472226] [2022-07-14 03:02:09,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787472226] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:02:09,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:02:09,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 03:02:09,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106893381] [2022-07-14 03:02:09,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:02:09,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 03:02:09,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:02:09,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 03:02:09,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:02:09,486 INFO L87 Difference]: Start difference. First operand 23249 states and 32053 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 03:02:14,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:02:14,716 INFO L93 Difference]: Finished difference Result 23471 states and 32427 transitions. [2022-07-14 03:02:14,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:02:14,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 5 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 269 [2022-07-14 03:02:14,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:02:14,841 INFO L225 Difference]: With dead ends: 23471 [2022-07-14 03:02:14,841 INFO L226 Difference]: Without dead ends: 23469 [2022-07-14 03:02:14,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-14 03:02:14,866 INFO L413 NwaCegarLoop]: 2128 mSDtfsCounter, 2934 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 4268 mSolverCounterSat, 1676 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3118 SdHoareTripleChecker+Valid, 5130 SdHoareTripleChecker+Invalid, 5944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1676 IncrementalHoareTripleChecker+Valid, 4268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:02:14,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3118 Valid, 5130 Invalid, 5944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1676 Valid, 4268 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-14 03:02:14,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23469 states. [2022-07-14 03:02:15,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23469 to 23253. [2022-07-14 03:02:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23253 states, 16197 states have (on average 1.2729517811940483) internal successors, (20618), 16687 states have internal predecessors, (20618), 5705 states have call successors, (5705), 1365 states have call predecessors, (5705), 1348 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-14 03:02:16,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23253 states to 23253 states and 32056 transitions. [2022-07-14 03:02:16,115 INFO L78 Accepts]: Start accepts. Automaton has 23253 states and 32056 transitions. Word has length 269 [2022-07-14 03:02:16,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:02:16,116 INFO L495 AbstractCegarLoop]: Abstraction has 23253 states and 32056 transitions. [2022-07-14 03:02:16,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-14 03:02:16,116 INFO L276 IsEmpty]: Start isEmpty. Operand 23253 states and 32056 transitions. [2022-07-14 03:02:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-14 03:02:16,127 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:02:16,128 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:02:16,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-14 03:02:16,128 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:02:16,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:02:16,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1378476344, now seen corresponding path program 1 times [2022-07-14 03:02:16,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:02:16,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826087829] [2022-07-14 03:02:16,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:02:16,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:02:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:02:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:02:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:02:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:02:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:02:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:02:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:02:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:02:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:02:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:02:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:02:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:02:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:02:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:02:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:02:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:02:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-14 03:02:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 03:02:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 03:02:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 03:02:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 03:02:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 03:02:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-14 03:02:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 03:02:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 03:02:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-14 03:02:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 03:02:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-14 03:02:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:02:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 03:02:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 03:02:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-14 03:02:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 03:02:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2022-07-14 03:02:16,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:02:16,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826087829] [2022-07-14 03:02:16,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826087829] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:02:16,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:02:16,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 03:02:16,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156949832] [2022-07-14 03:02:16,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:02:16,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 03:02:16,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:02:16,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 03:02:16,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:02:16,784 INFO L87 Difference]: Start difference. First operand 23253 states and 32056 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 03:02:22,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:02:22,275 INFO L93 Difference]: Finished difference Result 23475 states and 32430 transitions. [2022-07-14 03:02:22,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 03:02:22,275 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 5 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 274 [2022-07-14 03:02:22,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:02:22,368 INFO L225 Difference]: With dead ends: 23475 [2022-07-14 03:02:22,369 INFO L226 Difference]: Without dead ends: 23471 [2022-07-14 03:02:22,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-14 03:02:22,385 INFO L413 NwaCegarLoop]: 2128 mSDtfsCounter, 2934 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 4260 mSolverCounterSat, 1679 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3118 SdHoareTripleChecker+Valid, 5130 SdHoareTripleChecker+Invalid, 5939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 4260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:02:22,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3118 Valid, 5130 Invalid, 5939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 4260 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-14 03:02:22,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23471 states. [2022-07-14 03:02:23,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23471 to 23255. [2022-07-14 03:02:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23255 states, 16199 states have (on average 1.2728563491573555) internal successors, (20619), 16688 states have internal predecessors, (20619), 5705 states have call successors, (5705), 1366 states have call predecessors, (5705), 1348 states have return successors, (5733), 5560 states have call predecessors, (5733), 5701 states have call successors, (5733) [2022-07-14 03:02:23,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23255 states to 23255 states and 32057 transitions. [2022-07-14 03:02:23,417 INFO L78 Accepts]: Start accepts. Automaton has 23255 states and 32057 transitions. Word has length 274 [2022-07-14 03:02:23,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:02:23,418 INFO L495 AbstractCegarLoop]: Abstraction has 23255 states and 32057 transitions. [2022-07-14 03:02:23,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-14 03:02:23,418 INFO L276 IsEmpty]: Start isEmpty. Operand 23255 states and 32057 transitions. [2022-07-14 03:02:23,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-14 03:02:23,429 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:02:23,429 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 12, 12, 9, 9, 9, 9, 9, 9, 4, 4, 4, 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] [2022-07-14 03:02:23,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-14 03:02:23,430 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:02:23,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:02:23,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1399203789, now seen corresponding path program 1 times [2022-07-14 03:02:23,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:02:23,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183938942] [2022-07-14 03:02:23,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:02:23,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:02:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:02:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:02:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:02:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:02:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:02:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:02:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:02:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:02:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:02:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:02:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:02:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:02:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:02:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-14 03:02:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 03:02:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 03:02:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 03:02:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:02:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 03:02:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 03:02:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 03:02:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:02:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-14 03:02:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 03:02:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 03:02:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-14 03:02:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 03:02:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 03:02:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:02:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 772 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 748 trivial. 0 not checked. [2022-07-14 03:02:24,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:02:24,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183938942] [2022-07-14 03:02:24,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183938942] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:02:24,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:02:24,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:02:24,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347170787] [2022-07-14 03:02:24,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:02:24,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:02:24,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:02:24,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:02:24,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:02:24,025 INFO L87 Difference]: Start difference. First operand 23255 states and 32057 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, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 03:02:27,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:02:27,157 INFO L93 Difference]: Finished difference Result 23471 states and 32426 transitions. [2022-07-14 03:02:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:02:27,157 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, (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 243 [2022-07-14 03:02:27,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:02:27,242 INFO L225 Difference]: With dead ends: 23471 [2022-07-14 03:02:27,242 INFO L226 Difference]: Without dead ends: 23311 [2022-07-14 03:02:27,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:02:27,262 INFO L413 NwaCegarLoop]: 2256 mSDtfsCounter, 2278 mSDsluCounter, 4019 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2570 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 2949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 719 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:02:27,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2570 Valid, 6275 Invalid, 2949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [719 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-14 03:02:27,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23311 states. [2022-07-14 03:02:28,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23311 to 23095. [2022-07-14 03:02:28,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23095 states, 16096 states have (on average 1.2736083499005963) internal successors, (20500), 16573 states have internal predecessors, (20500), 5665 states have call successors, (5665), 1348 states have call predecessors, (5665), 1332 states have return successors, (5697), 5533 states have call predecessors, (5697), 5665 states have call successors, (5697) [2022-07-14 03:02:28,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23095 states to 23095 states and 31862 transitions. [2022-07-14 03:02:28,549 INFO L78 Accepts]: Start accepts. Automaton has 23095 states and 31862 transitions. Word has length 243 [2022-07-14 03:02:28,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:02:28,549 INFO L495 AbstractCegarLoop]: Abstraction has 23095 states and 31862 transitions. [2022-07-14 03:02:28,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-14 03:02:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand 23095 states and 31862 transitions. [2022-07-14 03:02:28,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-14 03:02:28,561 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:02:28,562 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 9, 9, 9, 9, 9, 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] [2022-07-14 03:02:28,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-14 03:02:28,562 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:02:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:02:28,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1179250178, now seen corresponding path program 1 times [2022-07-14 03:02:28,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:02:28,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669974157] [2022-07-14 03:02:28,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:02:28,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:02:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:02:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:02:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:02:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:02:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:02:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:02:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:02:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:02:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:02:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:02:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 03:02:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:02:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:02:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 03:02:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 03:02:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 03:02:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-14 03:02:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 03:02:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 03:02:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 03:02:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:02:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:02:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-14 03:02:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:28,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-14 03:02:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:29,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:02:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:29,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 03:02:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 03:02:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:29,027 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-07-14 03:02:29,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:02:29,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669974157] [2022-07-14 03:02:29,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669974157] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:02:29,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:02:29,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 03:02:29,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066998530] [2022-07-14 03:02:29,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:02:29,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:02:29,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:02:29,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:02:29,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:02:29,031 INFO L87 Difference]: Start difference. First operand 23095 states and 31862 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 03:02:36,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:02:36,725 INFO L93 Difference]: Finished difference Result 49130 states and 67756 transitions. [2022-07-14 03:02:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:02:36,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 246 [2022-07-14 03:02:36,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:02:36,870 INFO L225 Difference]: With dead ends: 49130 [2022-07-14 03:02:36,870 INFO L226 Difference]: Without dead ends: 25877 [2022-07-14 03:02:36,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:02:36,962 INFO L413 NwaCegarLoop]: 3057 mSDtfsCounter, 1596 mSDsluCounter, 3520 mSDsCounter, 0 mSdLazyCounter, 2972 mSolverCounterSat, 718 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1843 SdHoareTripleChecker+Valid, 6577 SdHoareTripleChecker+Invalid, 3690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 718 IncrementalHoareTripleChecker+Valid, 2972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:02:36,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1843 Valid, 6577 Invalid, 3690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [718 Valid, 2972 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-14 03:02:36,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25877 states. [2022-07-14 03:02:38,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25877 to 25026. [2022-07-14 03:02:38,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25026 states, 17632 states have (on average 1.2657100725952812) internal successors, (22317), 18114 states have internal predecessors, (22317), 5840 states have call successors, (5840), 1564 states have call predecessors, (5840), 1552 states have return successors, (5864), 5731 states have call predecessors, (5864), 5840 states have call successors, (5864) [2022-07-14 03:02:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25026 states to 25026 states and 34021 transitions. [2022-07-14 03:02:38,630 INFO L78 Accepts]: Start accepts. Automaton has 25026 states and 34021 transitions. Word has length 246 [2022-07-14 03:02:38,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:02:38,631 INFO L495 AbstractCegarLoop]: Abstraction has 25026 states and 34021 transitions. [2022-07-14 03:02:38,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 03:02:38,631 INFO L276 IsEmpty]: Start isEmpty. Operand 25026 states and 34021 transitions. [2022-07-14 03:02:38,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-07-14 03:02:38,645 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:02:38,646 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:02:38,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-14 03:02:38,646 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:02:38,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:02:38,646 INFO L85 PathProgramCache]: Analyzing trace with hash -746072369, now seen corresponding path program 1 times [2022-07-14 03:02:38,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:02:38,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029228932] [2022-07-14 03:02:38,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:02:38,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:02:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:02:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:02:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:02:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:02:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:02:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:02:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:02:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:02:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:02:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:02:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:02:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:02:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:02:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 03:02:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 03:02:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-14 03:02:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:38,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:02:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 03:02:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:02:39,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:02:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 03:02:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 03:02:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 03:02:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-14 03:02:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 03:02:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 03:02:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 03:02:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:02:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:02:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-14 03:02:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-14 03:02:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-14 03:02:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 03:02:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 03:02:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2022-07-14 03:02:39,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:02:39,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029228932] [2022-07-14 03:02:39,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029228932] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:02:39,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:02:39,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 03:02:39,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483997070] [2022-07-14 03:02:39,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:02:39,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:02:39,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:02:39,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:02:39,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:02:39,126 INFO L87 Difference]: Start difference. First operand 25026 states and 34021 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-14 03:02:45,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:02:45,732 INFO L93 Difference]: Finished difference Result 58791 states and 80149 transitions. [2022-07-14 03:02:45,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:02:45,732 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 310 [2022-07-14 03:02:45,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:02:45,870 INFO L225 Difference]: With dead ends: 58791 [2022-07-14 03:02:45,870 INFO L226 Difference]: Without dead ends: 33943 [2022-07-14 03:02:45,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:02:45,949 INFO L413 NwaCegarLoop]: 3425 mSDtfsCounter, 1937 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 1207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 6376 SdHoareTripleChecker+Invalid, 3059 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1207 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:02:45,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2185 Valid, 6376 Invalid, 3059 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1207 Valid, 1852 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-14 03:02:45,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33943 states. [2022-07-14 03:02:47,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33943 to 32747. [2022-07-14 03:02:47,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32747 states, 23178 states have (on average 1.2617999827422557) internal successors, (29246), 23784 states have internal predecessors, (29246), 7454 states have call successors, (7454), 2125 states have call predecessors, (7454), 2113 states have return successors, (7478), 7335 states have call predecessors, (7478), 7454 states have call successors, (7478) [2022-07-14 03:02:48,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32747 states to 32747 states and 44178 transitions. [2022-07-14 03:02:48,016 INFO L78 Accepts]: Start accepts. Automaton has 32747 states and 44178 transitions. Word has length 310 [2022-07-14 03:02:48,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:02:48,017 INFO L495 AbstractCegarLoop]: Abstraction has 32747 states and 44178 transitions. [2022-07-14 03:02:48,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-14 03:02:48,018 INFO L276 IsEmpty]: Start isEmpty. Operand 32747 states and 44178 transitions. [2022-07-14 03:02:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-14 03:02:48,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:02:48,037 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:02:48,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-14 03:02:48,037 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:02:48,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:02:48,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1440619235, now seen corresponding path program 1 times [2022-07-14 03:02:48,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:02:48,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764782545] [2022-07-14 03:02:48,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:02:48,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:02:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:02:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:02:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:02:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:02:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:02:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:02:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:02:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:02:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:02:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:02:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:02:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:02:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:02:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 03:02:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 03:02:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-14 03:02:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:02:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 03:02:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:02:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:02:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 03:02:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:02:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:02:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 03:02:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 03:02:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 03:02:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:02:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:02:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 03:02:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 03:02:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 03:02:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-14 03:02:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 03:02:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 03:02:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 03:02:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:02:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:02:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-14 03:02:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:02:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-14 03:02:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 03:02:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-14 03:02:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:48,556 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-07-14 03:02:48,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:02:48,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764782545] [2022-07-14 03:02:48,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764782545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:02:48,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:02:48,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 03:02:48,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90581454] [2022-07-14 03:02:48,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:02:48,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:02:48,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:02:48,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:02:48,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:02:48,559 INFO L87 Difference]: Start difference. First operand 32747 states and 44178 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 03:02:56,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:02:56,375 INFO L93 Difference]: Finished difference Result 74461 states and 100815 transitions. [2022-07-14 03:02:56,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:02:56,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 384 [2022-07-14 03:02:56,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:02:56,581 INFO L225 Difference]: With dead ends: 74461 [2022-07-14 03:02:56,582 INFO L226 Difference]: Without dead ends: 41719 [2022-07-14 03:02:56,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:02:56,813 INFO L413 NwaCegarLoop]: 3438 mSDtfsCounter, 1529 mSDsluCounter, 3946 mSDsCounter, 0 mSdLazyCounter, 3045 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 7384 SdHoareTripleChecker+Invalid, 3692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 3045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:02:56,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 7384 Invalid, 3692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 3045 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-14 03:02:56,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41719 states. [2022-07-14 03:02:59,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41719 to 40194. [2022-07-14 03:02:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40194 states, 28527 states have (on average 1.2598240263609914) internal successors, (35939), 29256 states have internal predecessors, (35939), 9009 states have call successors, (9009), 2668 states have call predecessors, (9009), 2656 states have return successors, (9033), 8880 states have call predecessors, (9033), 9009 states have call successors, (9033) [2022-07-14 03:02:59,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40194 states to 40194 states and 53981 transitions. [2022-07-14 03:02:59,342 INFO L78 Accepts]: Start accepts. Automaton has 40194 states and 53981 transitions. Word has length 384 [2022-07-14 03:02:59,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:02:59,343 INFO L495 AbstractCegarLoop]: Abstraction has 40194 states and 53981 transitions. [2022-07-14 03:02:59,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 03:02:59,343 INFO L276 IsEmpty]: Start isEmpty. Operand 40194 states and 53981 transitions. [2022-07-14 03:02:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-14 03:02:59,361 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:02:59,361 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:02:59,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-14 03:02:59,362 INFO L420 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)] === [2022-07-14 03:02:59,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:02:59,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1778906785, now seen corresponding path program 1 times [2022-07-14 03:02:59,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:02:59,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477904656] [2022-07-14 03:02:59,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:02:59,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:02:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:02:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:02:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:02:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:02:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:02:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:02:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:02:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:02:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:02:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:02:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:02:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:02:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:02:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 03:02:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 03:02:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-14 03:02:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:02:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 03:02:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:02:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:02:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 03:02:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:02:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:02:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 03:02:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 03:02:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 03:02:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:02:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:02:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:02:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 03:02:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:02:59,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 03:02:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 03:03:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-14 03:03:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 03:03:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 03:03:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 03:03:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:03:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:03:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-14 03:03:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:03:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-14 03:03:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 03:03:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-14 03:03:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-07-14 03:03:00,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:03:00,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477904656] [2022-07-14 03:03:00,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477904656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:03:00,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:03:00,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 03:03:00,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332147799] [2022-07-14 03:03:00,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:03:00,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:03:00,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:03:00,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:03:00,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:03:00,077 INFO L87 Difference]: Start difference. First operand 40194 states and 53981 transitions. Second operand has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 03:03:08,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:03:08,560 INFO L93 Difference]: Finished difference Result 92531 states and 124889 transitions. [2022-07-14 03:03:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:03:08,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 384 [2022-07-14 03:03:08,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:03:08,766 INFO L225 Difference]: With dead ends: 92531 [2022-07-14 03:03:08,766 INFO L226 Difference]: Without dead ends: 52515 [2022-07-14 03:03:08,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:03:08,859 INFO L413 NwaCegarLoop]: 3696 mSDtfsCounter, 2021 mSDsluCounter, 3888 mSDsCounter, 0 mSdLazyCounter, 3096 mSolverCounterSat, 691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2371 SdHoareTripleChecker+Valid, 7584 SdHoareTripleChecker+Invalid, 3787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 3096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:03:08,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2371 Valid, 7584 Invalid, 3787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 3096 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-14 03:03:08,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52515 states. [2022-07-14 03:03:11,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52515 to 50540. [2022-07-14 03:03:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50540 states, 35840 states have (on average 1.2572823660714285) internal successors, (45061), 36738 states have internal predecessors, (45061), 11319 states have call successors, (11319), 3391 states have call predecessors, (11319), 3379 states have return successors, (11343), 11174 states have call predecessors, (11343), 11319 states have call successors, (11343) [2022-07-14 03:03:11,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50540 states to 50540 states and 67723 transitions. [2022-07-14 03:03:11,682 INFO L78 Accepts]: Start accepts. Automaton has 50540 states and 67723 transitions. Word has length 384 [2022-07-14 03:03:11,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:03:11,683 INFO L495 AbstractCegarLoop]: Abstraction has 50540 states and 67723 transitions. [2022-07-14 03:03:11,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 3 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 03:03:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 50540 states and 67723 transitions. [2022-07-14 03:03:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-07-14 03:03:11,707 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:03:11,708 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 9, 9, 9, 9, 9, 9, 5, 5, 5, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:03:11,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-14 03:03:11,708 INFO L420 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)] === [2022-07-14 03:03:11,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:03:11,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1310019458, now seen corresponding path program 1 times [2022-07-14 03:03:11,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:03:11,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669812409] [2022-07-14 03:03:11,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:03:11,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:03:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:03:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:03:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:03:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:03:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:03:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:03:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:03:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:03:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:03:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-14 03:03:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:11,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-14 03:03:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 03:03:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-14 03:03:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 03:03:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 03:03:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-14 03:03:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:03:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 03:03:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:03:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:03:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-14 03:03:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:03:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:03:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 03:03:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 03:03:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-14 03:03:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:03:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 03:03:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 03:03:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2022-07-14 03:03:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:03:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 03:03:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-14 03:03:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-14 03:03:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 03:03:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-14 03:03:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-14 03:03:12,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-14 03:03:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 03:03:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 03:03:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 03:03:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-14 03:03:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-14 03:03:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-14 03:03:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-14 03:03:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-14 03:03:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:12,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2022-07-14 03:03:12,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:03:12,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669812409] [2022-07-14 03:03:12,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669812409] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:03:12,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:03:12,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 03:03:12,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647200309] [2022-07-14 03:03:12,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:03:12,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:03:12,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:03:12,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:03:12,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:03:12,484 INFO L87 Difference]: Start difference. First operand 50540 states and 67723 transitions. Second operand has 5 states, 5 states have (on average 36.2) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46)