./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-8390-axnet_cs.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-8390-axnet_cs.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 6b81be647295ba0700d02fa1d093d31284b02ba80deefc4d677fbd988693200b --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:30:18,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:30:18,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:30:18,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:30:18,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:30:18,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:30:18,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:30:18,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:30:18,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:30:18,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:30:18,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:30:18,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:30:18,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:30:18,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:30:18,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:30:18,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:30:18,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:30:18,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:30:18,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:30:18,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:30:18,839 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:30:18,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:30:18,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:30:18,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:30:18,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:30:18,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:30:18,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:30:18,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:30:18,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:30:18,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:30:18,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:30:18,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:30:18,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:30:18,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:30:18,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:30:18,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:30:18,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:30:18,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:30:18,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:30:18,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:30:18,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:30:18,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:30:18,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:30:18,893 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:30:18,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:30:18,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:30:18,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:30:18,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:30:18,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:30:18,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:30:18,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:30:18,896 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:30:18,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:30:18,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:30:18,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:30:18,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:30:18,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:30:18,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:30:18,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:30:18,898 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:30:18,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:30:18,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:30:18,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:30:18,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:30:18,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:30:18,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:30:18,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:30:18,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:30:18,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:30:18,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:30:18,902 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:30:18,902 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:30:18,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:30:18,902 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b81be647295ba0700d02fa1d093d31284b02ba80deefc4d677fbd988693200b [2022-07-23 02:30:19,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:30:19,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:30:19,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:30:19,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:30:19,205 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:30:19,206 INFO L432 ainManager$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-8390-axnet_cs.cil.i [2022-07-23 02:30:19,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998240a92/da199e0dff61440e9bc89975835669b7/FLAG68d56cbb4 [2022-07-23 02:30:20,071 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:30:20,072 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-8390-axnet_cs.cil.i [2022-07-23 02:30:20,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998240a92/da199e0dff61440e9bc89975835669b7/FLAG68d56cbb4 [2022-07-23 02:30:20,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/998240a92/da199e0dff61440e9bc89975835669b7 [2022-07-23 02:30:20,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:30:20,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:30:20,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:30:20,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:30:20,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:30:20,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:30:20" (1/1) ... [2022-07-23 02:30:20,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c58a2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:20, skipping insertion in model container [2022-07-23 02:30:20,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:30:20" (1/1) ... [2022-07-23 02:30:20,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:30:20,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:30:22,899 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-8390-axnet_cs.cil.i[315060,315073] [2022-07-23 02:30:22,902 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-8390-axnet_cs.cil.i[315229,315242] [2022-07-23 02:30:22,903 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-8390-axnet_cs.cil.i[315396,315409] [2022-07-23 02:30:22,903 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-8390-axnet_cs.cil.i[315564,315577] [2022-07-23 02:30:22,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:30:22,979 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:30:23,336 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-8390-axnet_cs.cil.i[315060,315073] [2022-07-23 02:30:23,336 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-8390-axnet_cs.cil.i[315229,315242] [2022-07-23 02:30:23,337 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-8390-axnet_cs.cil.i[315396,315409] [2022-07-23 02:30:23,337 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-8390-axnet_cs.cil.i[315564,315577] [2022-07-23 02:30:23,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:30:23,505 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:30:23,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23 WrapperNode [2022-07-23 02:30:23,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:30:23,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:30:23,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:30:23,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:30:23,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23" (1/1) ... [2022-07-23 02:30:23,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23" (1/1) ... [2022-07-23 02:30:23,782 INFO L137 Inliner]: procedures = 370, calls = 2171, calls flagged for inlining = 172, calls inlined = 152, statements flattened = 4103 [2022-07-23 02:30:23,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:30:23,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:30:23,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:30:23,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:30:23,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23" (1/1) ... [2022-07-23 02:30:23,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23" (1/1) ... [2022-07-23 02:30:23,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23" (1/1) ... [2022-07-23 02:30:23,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23" (1/1) ... [2022-07-23 02:30:23,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23" (1/1) ... [2022-07-23 02:30:23,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23" (1/1) ... [2022-07-23 02:30:23,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23" (1/1) ... [2022-07-23 02:30:23,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:30:23,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:30:23,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:30:23,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:30:23,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23" (1/1) ... [2022-07-23 02:30:24,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:30:24,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:30:24,029 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) [2022-07-23 02:30:24,038 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 [2022-07-23 02:30:24,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_page_lock_of_ei_device [2022-07-23 02:30:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_page_lock_of_ei_device [2022-07-23 02:30:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:30:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:30:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_detach [2022-07-23 02:30:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_detach [2022-07-23 02:30:24,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:30:24,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:30:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:30:24,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:30:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:30:24,071 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:30:24,071 INFO L130 BoogieDeclarations]: Found specification of procedure AX88190_init [2022-07-23 02:30:24,071 INFO L138 BoogieDeclarations]: Found implementation of procedure AX88190_init [2022-07-23 02:30:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-07-23 02:30:24,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-07-23 02:30:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:30:24,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:30:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-23 02:30:24,072 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-23 02:30:24,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:30:24,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:30:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_70 [2022-07-23 02:30:24,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_70 [2022-07-23 02:30:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:30:24,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:30:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2022-07-23 02:30:24,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2022-07-23 02:30:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:30:24,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:30:24,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2022-07-23 02:30:24,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2022-07-23 02:30:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:30:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:30:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_release [2022-07-23 02:30:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_release [2022-07-23 02:30:24,075 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_config_byte [2022-07-23 02:30:24,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_config_byte [2022-07-23 02:30:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-07-23 02:30:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-07-23 02:30:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2022-07-23 02:30:24,076 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2022-07-23 02:30:24,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 02:30:24,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 02:30:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:30:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:30:24,077 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:30:24,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:30:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:30:24,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:30:24,078 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 02:30:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 02:30:24,079 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-23 02:30:24,079 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-23 02:30:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:30:24,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:30:24,080 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2022-07-23 02:30:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2022-07-23 02:30:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2022-07-23 02:30:24,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2022-07-23 02:30:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:30:24,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:30:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:30:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:30:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-23 02:30:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-23 02:30:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:30:24,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:30:24,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:30:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:30:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 02:30:24,083 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-23 02:30:24,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-23 02:30:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 02:30:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:30:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:30:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 02:30:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:30:24,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:30:24,084 INFO L130 BoogieDeclarations]: Found specification of procedure ei_irq_wrapper [2022-07-23 02:30:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_irq_wrapper [2022-07-23 02:30:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:30:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:30:24,085 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:30:24,085 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:30:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:30:24,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:30:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 02:30:24,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:30:24,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:30:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_reset_8390 [2022-07-23 02:30:24,087 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_reset_8390 [2022-07-23 02:30:24,087 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_tx_timeout [2022-07-23 02:30:24,087 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_tx_timeout [2022-07-23 02:30:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:30:24,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:30:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:30:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-23 02:30:24,088 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-23 02:30:24,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:30:24,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:30:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_cs_driver_exit [2022-07-23 02:30:24,089 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_cs_driver_exit [2022-07-23 02:30:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:30:24,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:30:24,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:30:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:30:24,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:30:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:30:24,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:30:24,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:30:24,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:30:24,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:30:24,094 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 02:30:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 02:30:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-23 02:30:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-23 02:30:24,095 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 02:30:24,095 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 02:30:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2022-07-23 02:30:24,096 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2022-07-23 02:30:24,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 02:30:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:30:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:30:24,097 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-23 02:30:24,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-23 02:30:24,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:30:24,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:30:24,723 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:30:24,725 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:30:25,017 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:30:29,975 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:30:30,044 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:30:30,066 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:30:30,067 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 02:30:30,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:30:30 BoogieIcfgContainer [2022-07-23 02:30:30,070 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:30:30,073 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:30:30,073 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:30:30,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:30:30,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:30:20" (1/3) ... [2022-07-23 02:30:30,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4d34fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:30:30, skipping insertion in model container [2022-07-23 02:30:30,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:30:23" (2/3) ... [2022-07-23 02:30:30,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d4d34fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:30:30, skipping insertion in model container [2022-07-23 02:30:30,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:30:30" (3/3) ... [2022-07-23 02:30:30,078 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2022-07-23 02:30:30,090 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:30:30,090 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 02:30:30,189 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:30:30,197 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@ef1e2c4, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2bee7cda [2022-07-23 02:30:30,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 02:30:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 1270 states, 845 states have (on average 1.3076923076923077) internal successors, (1105), 869 states have internal predecessors, (1105), 368 states have call successors, (368), 56 states have call predecessors, (368), 55 states have return successors, (362), 354 states have call predecessors, (362), 362 states have call successors, (362) [2022-07-23 02:30:30,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-23 02:30:30,231 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:30:30,231 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:30:30,232 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)] === [2022-07-23 02:30:30,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:30:30,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1278675397, now seen corresponding path program 1 times [2022-07-23 02:30:30,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:30:30,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629325986] [2022-07-23 02:30:30,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:30:30,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:30:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:30,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:30:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:30,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:30:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:30:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:30:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:30:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:30:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:30:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:30:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 02:30:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:31,119 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-23 02:30:31,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:30:31,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629325986] [2022-07-23 02:30:31,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629325986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:30:31,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:30:31,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:30:31,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716889439] [2022-07-23 02:30:31,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:30:31,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:30:31,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:30:31,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:30:31,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:30:31,164 INFO L87 Difference]: Start difference. First operand has 1270 states, 845 states have (on average 1.3076923076923077) internal successors, (1105), 869 states have internal predecessors, (1105), 368 states have call successors, (368), 56 states have call predecessors, (368), 55 states have return successors, (362), 354 states have call predecessors, (362), 362 states have call successors, (362) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-23 02:30:34,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:30:37,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:30:38,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:30:38,626 INFO L93 Difference]: Finished difference Result 3687 states and 5415 transitions. [2022-07-23 02:30:38,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:30:38,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 105 [2022-07-23 02:30:38,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:30:38,666 INFO L225 Difference]: With dead ends: 3687 [2022-07-23 02:30:38,666 INFO L226 Difference]: Without dead ends: 2426 [2022-07-23 02:30:38,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:30:38,685 INFO L413 NwaCegarLoop]: 1930 mSDtfsCounter, 1853 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 988 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2180 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 2458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 988 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:30:38,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2180 Valid, 3736 Invalid, 2458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [988 Valid, 1468 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-07-23 02:30:38,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2022-07-23 02:30:38,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 2414. [2022-07-23 02:30:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 1622 states have (on average 1.2928483353884093) internal successors, (2097), 1667 states have internal predecessors, (2097), 683 states have call successors, (683), 107 states have call predecessors, (683), 106 states have return successors, (679), 663 states have call predecessors, (679), 679 states have call successors, (679) [2022-07-23 02:30:38,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3459 transitions. [2022-07-23 02:30:38,924 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3459 transitions. Word has length 105 [2022-07-23 02:30:38,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:30:38,926 INFO L495 AbstractCegarLoop]: Abstraction has 2414 states and 3459 transitions. [2022-07-23 02:30:38,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-23 02:30:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3459 transitions. [2022-07-23 02:30:38,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-23 02:30:38,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:30:38,938 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:30:38,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 02:30:38,939 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)] === [2022-07-23 02:30:38,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:30:38,940 INFO L85 PathProgramCache]: Analyzing trace with hash 600412112, now seen corresponding path program 1 times [2022-07-23 02:30:38,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:30:38,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047183574] [2022-07-23 02:30:38,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:30:38,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:30:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:30:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:30:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:30:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:30:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:30:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:30:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:30:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:30:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:30:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-23 02:30:39,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:30:39,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047183574] [2022-07-23 02:30:39,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047183574] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:30:39,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:30:39,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:30:39,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781982762] [2022-07-23 02:30:39,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:30:39,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:30:39,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:30:39,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:30:39,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:30:39,277 INFO L87 Difference]: Start difference. First operand 2414 states and 3459 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-23 02:30:41,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:30:45,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:30:46,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:30:46,365 INFO L93 Difference]: Finished difference Result 6774 states and 9700 transitions. [2022-07-23 02:30:46,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:30:46,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 114 [2022-07-23 02:30:46,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:30:46,398 INFO L225 Difference]: With dead ends: 6774 [2022-07-23 02:30:46,398 INFO L226 Difference]: Without dead ends: 4379 [2022-07-23 02:30:46,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:30:46,412 INFO L413 NwaCegarLoop]: 1946 mSDtfsCounter, 1569 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 943 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 3735 SdHoareTripleChecker+Invalid, 2393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 943 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:30:46,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 3735 Invalid, 2393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [943 Valid, 1448 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-07-23 02:30:46,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4379 states. [2022-07-23 02:30:46,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4379 to 4336. [2022-07-23 02:30:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4336 states, 2904 states have (on average 1.2882231404958677) internal successors, (3741), 2986 states have internal predecessors, (3741), 1222 states have call successors, (1222), 206 states have call predecessors, (1222), 207 states have return successors, (1224), 1189 states have call predecessors, (1224), 1218 states have call successors, (1224) [2022-07-23 02:30:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 6187 transitions. [2022-07-23 02:30:46,616 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 6187 transitions. Word has length 114 [2022-07-23 02:30:46,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:30:46,617 INFO L495 AbstractCegarLoop]: Abstraction has 4336 states and 6187 transitions. [2022-07-23 02:30:46,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-23 02:30:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 6187 transitions. [2022-07-23 02:30:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-23 02:30:46,624 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:30:46,625 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 02:30:46,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 02:30:46,625 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)] === [2022-07-23 02:30:46,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:30:46,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1955466161, now seen corresponding path program 1 times [2022-07-23 02:30:46,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:30:46,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053804430] [2022-07-23 02:30:46,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:30:46,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:30:46,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:30:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:30:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:30:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:30:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:30:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:30:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:30:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:46,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:47,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:30:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:47,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:30:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:47,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-23 02:30:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:47,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:30:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-07-23 02:30:47,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:30:47,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053804430] [2022-07-23 02:30:47,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053804430] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:30:47,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:30:47,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:30:47,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485599888] [2022-07-23 02:30:47,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:30:47,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:30:47,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:30:47,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:30:47,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:30:47,046 INFO L87 Difference]: Start difference. First operand 4336 states and 6187 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-23 02:30:49,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:30:51,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:30:51,967 INFO L93 Difference]: Finished difference Result 11896 states and 16902 transitions. [2022-07-23 02:30:51,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:30:51,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 119 [2022-07-23 02:30:51,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:30:52,014 INFO L225 Difference]: With dead ends: 11896 [2022-07-23 02:30:52,015 INFO L226 Difference]: Without dead ends: 7579 [2022-07-23 02:30:52,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:30:52,038 INFO L413 NwaCegarLoop]: 1889 mSDtfsCounter, 1554 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 956 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 3685 SdHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:30:52,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1834 Valid, 3685 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 1405 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-07-23 02:30:52,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7579 states. [2022-07-23 02:30:52,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7579 to 7522. [2022-07-23 02:30:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7522 states, 5026 states have (on average 1.2759649820931158) internal successors, (6413), 5164 states have internal predecessors, (6413), 2108 states have call successors, (2108), 388 states have call predecessors, (2108), 385 states have return successors, (2116), 2035 states have call predecessors, (2116), 2104 states have call successors, (2116) [2022-07-23 02:30:52,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7522 states to 7522 states and 10637 transitions. [2022-07-23 02:30:52,423 INFO L78 Accepts]: Start accepts. Automaton has 7522 states and 10637 transitions. Word has length 119 [2022-07-23 02:30:52,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:30:52,423 INFO L495 AbstractCegarLoop]: Abstraction has 7522 states and 10637 transitions. [2022-07-23 02:30:52,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-23 02:30:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 7522 states and 10637 transitions. [2022-07-23 02:30:52,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-07-23 02:30:52,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:30:52,428 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 02:30:52,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 02:30:52,428 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:30:52,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:30:52,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1794271588, now seen corresponding path program 1 times [2022-07-23 02:30:52,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:30:52,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201217002] [2022-07-23 02:30:52,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:30:52,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:30:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:30:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:30:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:30:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:30:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:30:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:30:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:30:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:30:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 02:30:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:30:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:30:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:30:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:30:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 02:30:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-23 02:30:52,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:30:52,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201217002] [2022-07-23 02:30:52,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201217002] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:30:52,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:30:52,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:30:52,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458155272] [2022-07-23 02:30:52,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:30:52,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:30:52,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:30:52,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:30:52,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:30:52,854 INFO L87 Difference]: Start difference. First operand 7522 states and 10637 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 02:30:55,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:30:57,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:30:57,239 INFO L93 Difference]: Finished difference Result 13360 states and 18856 transitions. [2022-07-23 02:30:57,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:30:57,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 143 [2022-07-23 02:30:57,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:30:57,280 INFO L225 Difference]: With dead ends: 13360 [2022-07-23 02:30:57,280 INFO L226 Difference]: Without dead ends: 5857 [2022-07-23 02:30:57,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:30:57,316 INFO L413 NwaCegarLoop]: 2305 mSDtfsCounter, 1482 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 821 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1666 SdHoareTripleChecker+Valid, 3912 SdHoareTripleChecker+Invalid, 1814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:30:57,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1666 Valid, 3912 Invalid, 1814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 992 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-07-23 02:30:57,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2022-07-23 02:30:57,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 5786. [2022-07-23 02:30:57,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5786 states, 3916 states have (on average 1.2617466802860062) internal successors, (4941), 4060 states have internal predecessors, (4941), 1551 states have call successors, (1551), 355 states have call predecessors, (1551), 316 states have return successors, (1583), 1405 states have call predecessors, (1583), 1547 states have call successors, (1583) [2022-07-23 02:30:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 8075 transitions. [2022-07-23 02:30:57,680 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 8075 transitions. Word has length 143 [2022-07-23 02:30:57,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:30:57,682 INFO L495 AbstractCegarLoop]: Abstraction has 5786 states and 8075 transitions. [2022-07-23 02:30:57,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 02:30:57,682 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 8075 transitions. [2022-07-23 02:30:57,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-23 02:30:57,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:30:57,685 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 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] [2022-07-23 02:30:57,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 02:30:57,685 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)] === [2022-07-23 02:30:57,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:30:57,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1489403305, now seen corresponding path program 1 times [2022-07-23 02:30:57,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:30:57,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995318931] [2022-07-23 02:30:57,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:30:57,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:30:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:30:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:57,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:30:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:57,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:30:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:30:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:57,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:57,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:30:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:57,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:30:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:30:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:30:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:30:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:30:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:30:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:30:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:30:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:30:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:30:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:30:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:30:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-23 02:30:58,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:30:58,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995318931] [2022-07-23 02:30:58,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995318931] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:30:58,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:30:58,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:30:58,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497536403] [2022-07-23 02:30:58,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:30:58,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:30:58,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:30:58,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:30:58,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:30:58,082 INFO L87 Difference]: Start difference. First operand 5786 states and 8075 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 02:31:00,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:31:02,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:31:04,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:04,879 INFO L93 Difference]: Finished difference Result 16747 states and 23435 transitions. [2022-07-23 02:31:04,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:31:04,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 161 [2022-07-23 02:31:04,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:04,954 INFO L225 Difference]: With dead ends: 16747 [2022-07-23 02:31:04,954 INFO L226 Difference]: Without dead ends: 11050 [2022-07-23 02:31:04,984 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 [2022-07-23 02:31:04,985 INFO L413 NwaCegarLoop]: 2990 mSDtfsCounter, 1634 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 732 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 5437 SdHoareTripleChecker+Invalid, 2222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 732 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:04,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 5437 Invalid, 2222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [732 Valid, 1488 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-07-23 02:31:04,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11050 states. [2022-07-23 02:31:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11050 to 11006. [2022-07-23 02:31:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11006 states, 7470 states have (on average 1.2621151271753681) internal successors, (9428), 7728 states have internal predecessors, (9428), 2932 states have call successors, (2932), 674 states have call predecessors, (2932), 601 states have return successors, (3000), 2673 states have call predecessors, (3000), 2928 states have call successors, (3000) [2022-07-23 02:31:05,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11006 states to 11006 states and 15360 transitions. [2022-07-23 02:31:05,588 INFO L78 Accepts]: Start accepts. Automaton has 11006 states and 15360 transitions. Word has length 161 [2022-07-23 02:31:05,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:05,589 INFO L495 AbstractCegarLoop]: Abstraction has 11006 states and 15360 transitions. [2022-07-23 02:31:05,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-23 02:31:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 11006 states and 15360 transitions. [2022-07-23 02:31:05,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-23 02:31:05,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:05,593 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 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] [2022-07-23 02:31:05,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 02:31:05,607 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)] === [2022-07-23 02:31:05,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:05,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1629951915, now seen corresponding path program 1 times [2022-07-23 02:31:05,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:31:05,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003399804] [2022-07-23 02:31:05,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:05,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:31:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:31:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:31:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:31:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:31:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:31:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:31:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:31:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:06,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:31:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:06,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:31:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:06,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:31:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:31:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:31:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:31:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:06,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:31:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:31:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-07-23 02:31:06,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:31:06,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003399804] [2022-07-23 02:31:06,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003399804] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:06,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:06,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:31:06,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966458758] [2022-07-23 02:31:06,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:06,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:31:06,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:31:06,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:31:06,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:31:06,096 INFO L87 Difference]: Start difference. First operand 11006 states and 15360 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 02:31:08,835 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:31:10,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:10,545 INFO L93 Difference]: Finished difference Result 11052 states and 15432 transitions. [2022-07-23 02:31:10,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:31:10,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2022-07-23 02:31:10,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:10,586 INFO L225 Difference]: With dead ends: 11052 [2022-07-23 02:31:10,587 INFO L226 Difference]: Without dead ends: 11050 [2022-07-23 02:31:10,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:31:10,592 INFO L413 NwaCegarLoop]: 1674 mSDtfsCounter, 1604 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 691 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:10,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 4578 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-07-23 02:31:10,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11050 states. [2022-07-23 02:31:10,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11050 to 11010. [2022-07-23 02:31:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11010 states, 7473 states have (on average 1.2620099023150007) internal successors, (9431), 7731 states have internal predecessors, (9431), 2932 states have call successors, (2932), 675 states have call predecessors, (2932), 602 states have return successors, (3000), 2673 states have call predecessors, (3000), 2928 states have call successors, (3000) [2022-07-23 02:31:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11010 states to 11010 states and 15363 transitions. [2022-07-23 02:31:11,038 INFO L78 Accepts]: Start accepts. Automaton has 11010 states and 15363 transitions. Word has length 161 [2022-07-23 02:31:11,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:11,039 INFO L495 AbstractCegarLoop]: Abstraction has 11010 states and 15363 transitions. [2022-07-23 02:31:11,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 02:31:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 11010 states and 15363 transitions. [2022-07-23 02:31:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-23 02:31:11,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:11,044 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 02:31:11,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 02:31:11,044 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)] === [2022-07-23 02:31:11,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:11,045 INFO L85 PathProgramCache]: Analyzing trace with hash 708494784, now seen corresponding path program 1 times [2022-07-23 02:31:11,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:31:11,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674532621] [2022-07-23 02:31:11,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:11,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:31:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:31:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:31:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:31:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:31:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:31:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:31:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:31:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:31:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:31:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:31:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:31:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:31:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:31:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:31:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:31:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:31:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-07-23 02:31:11,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:31:11,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674532621] [2022-07-23 02:31:11,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674532621] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:11,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:11,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:31:11,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513625825] [2022-07-23 02:31:11,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:11,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:31:11,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:31:11,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:31:11,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:31:11,503 INFO L87 Difference]: Start difference. First operand 11010 states and 15363 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 02:31:14,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:31:15,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:15,700 INFO L93 Difference]: Finished difference Result 11056 states and 15435 transitions. [2022-07-23 02:31:15,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:31:15,701 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 166 [2022-07-23 02:31:15,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:15,827 INFO L225 Difference]: With dead ends: 11056 [2022-07-23 02:31:15,827 INFO L226 Difference]: Without dead ends: 11054 [2022-07-23 02:31:15,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:31:15,835 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 690 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 690 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:15,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [690 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:31:15,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11054 states. [2022-07-23 02:31:16,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11054 to 11014. [2022-07-23 02:31:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11014 states, 7476 states have (on average 1.2619047619047619) internal successors, (9434), 7734 states have internal predecessors, (9434), 2932 states have call successors, (2932), 676 states have call predecessors, (2932), 603 states have return successors, (3000), 2673 states have call predecessors, (3000), 2928 states have call successors, (3000) [2022-07-23 02:31:16,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11014 states to 11014 states and 15366 transitions. [2022-07-23 02:31:16,280 INFO L78 Accepts]: Start accepts. Automaton has 11014 states and 15366 transitions. Word has length 166 [2022-07-23 02:31:16,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:16,281 INFO L495 AbstractCegarLoop]: Abstraction has 11014 states and 15366 transitions. [2022-07-23 02:31:16,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-23 02:31:16,282 INFO L276 IsEmpty]: Start isEmpty. Operand 11014 states and 15366 transitions. [2022-07-23 02:31:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-23 02:31:16,284 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:16,285 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 02:31:16,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 02:31:16,285 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)] === [2022-07-23 02:31:16,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:16,285 INFO L85 PathProgramCache]: Analyzing trace with hash 607564939, now seen corresponding path program 1 times [2022-07-23 02:31:16,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:31:16,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134293370] [2022-07-23 02:31:16,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:16,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:31:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:31:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:31:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:31:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:31:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:31:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:31:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:31:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:31:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:31:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:31:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:31:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:31:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:31:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:31:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:31:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:31:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:31:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-23 02:31:16,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:31:16,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134293370] [2022-07-23 02:31:16,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134293370] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:16,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:16,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:31:16,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952659159] [2022-07-23 02:31:16,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:16,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:31:16,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:31:16,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:31:16,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:31:16,739 INFO L87 Difference]: Start difference. First operand 11014 states and 15366 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:19,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:31:20,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:20,977 INFO L93 Difference]: Finished difference Result 11060 states and 15438 transitions. [2022-07-23 02:31:20,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:31:20,978 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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 171 [2022-07-23 02:31:20,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:21,032 INFO L225 Difference]: With dead ends: 11060 [2022-07-23 02:31:21,033 INFO L226 Difference]: Without dead ends: 11058 [2022-07-23 02:31:21,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:31:21,043 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 689 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 689 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:21,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [689 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:31:21,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11058 states. [2022-07-23 02:31:21,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11058 to 11018. [2022-07-23 02:31:21,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11018 states, 7479 states have (on average 1.2617997058430273) internal successors, (9437), 7737 states have internal predecessors, (9437), 2932 states have call successors, (2932), 677 states have call predecessors, (2932), 604 states have return successors, (3000), 2673 states have call predecessors, (3000), 2928 states have call successors, (3000) [2022-07-23 02:31:21,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11018 states to 11018 states and 15369 transitions. [2022-07-23 02:31:21,541 INFO L78 Accepts]: Start accepts. Automaton has 11018 states and 15369 transitions. Word has length 171 [2022-07-23 02:31:21,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:21,542 INFO L495 AbstractCegarLoop]: Abstraction has 11018 states and 15369 transitions. [2022-07-23 02:31:21,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:21,542 INFO L276 IsEmpty]: Start isEmpty. Operand 11018 states and 15369 transitions. [2022-07-23 02:31:21,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-23 02:31:21,546 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:21,546 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 02:31:21,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 02:31:21,546 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)] === [2022-07-23 02:31:21,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:21,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1425775520, now seen corresponding path program 1 times [2022-07-23 02:31:21,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:31:21,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471296972] [2022-07-23 02:31:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:21,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:31:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:31:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:31:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:31:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:31:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:31:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:31:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:31:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:31:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:31:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:31:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:31:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:31:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:31:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:31:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:31:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:31:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:31:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 02:31:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:21,904 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-07-23 02:31:21,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:31:21,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471296972] [2022-07-23 02:31:21,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471296972] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:21,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:21,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:31:21,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589905142] [2022-07-23 02:31:21,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:21,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:31:21,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:31:21,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:31:21,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:31:21,908 INFO L87 Difference]: Start difference. First operand 11018 states and 15369 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:24,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:31:26,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:26,165 INFO L93 Difference]: Finished difference Result 11064 states and 15441 transitions. [2022-07-23 02:31:26,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:31:26,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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 176 [2022-07-23 02:31:26,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:26,213 INFO L225 Difference]: With dead ends: 11064 [2022-07-23 02:31:26,213 INFO L226 Difference]: Without dead ends: 11062 [2022-07-23 02:31:26,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:31:26,225 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 688 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:26,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 02:31:26,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11062 states. [2022-07-23 02:31:26,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11062 to 11022. [2022-07-23 02:31:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11022 states, 7482 states have (on average 1.2616947340283347) internal successors, (9440), 7740 states have internal predecessors, (9440), 2932 states have call successors, (2932), 678 states have call predecessors, (2932), 605 states have return successors, (3000), 2673 states have call predecessors, (3000), 2928 states have call successors, (3000) [2022-07-23 02:31:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11022 states to 11022 states and 15372 transitions. [2022-07-23 02:31:26,778 INFO L78 Accepts]: Start accepts. Automaton has 11022 states and 15372 transitions. Word has length 176 [2022-07-23 02:31:26,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:26,779 INFO L495 AbstractCegarLoop]: Abstraction has 11022 states and 15372 transitions. [2022-07-23 02:31:26,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 11022 states and 15372 transitions. [2022-07-23 02:31:26,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-23 02:31:26,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:26,783 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:31:26,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 02:31:26,784 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)] === [2022-07-23 02:31:26,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:26,785 INFO L85 PathProgramCache]: Analyzing trace with hash -626302863, now seen corresponding path program 1 times [2022-07-23 02:31:26,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:31:26,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330106475] [2022-07-23 02:31:26,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:26,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:31:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:31:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:31:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:31:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:31:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:31:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:31:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:31:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:31:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:31:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:31:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:31:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:31:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:31:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:31:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 02:31:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 02:31:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:31:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 02:31:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 02:31:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:31:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 02:31:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2022-07-23 02:31:27,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:31:27,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330106475] [2022-07-23 02:31:27,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330106475] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:27,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:27,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:31:27,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810694129] [2022-07-23 02:31:27,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:27,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:31:27,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:31:27,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:31:27,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:31:27,092 INFO L87 Difference]: Start difference. First operand 11022 states and 15372 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 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) [2022-07-23 02:31:30,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:31:33,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:33,304 INFO L93 Difference]: Finished difference Result 27539 states and 38583 transitions. [2022-07-23 02:31:33,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:31:33,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 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 196 [2022-07-23 02:31:33,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:33,368 INFO L225 Difference]: With dead ends: 27539 [2022-07-23 02:31:33,369 INFO L226 Difference]: Without dead ends: 16606 [2022-07-23 02:31:33,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 02:31:33,417 INFO L413 NwaCegarLoop]: 3003 mSDtfsCounter, 1935 mSDsluCounter, 3570 mSDsCounter, 0 mSdLazyCounter, 2511 mSolverCounterSat, 1453 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 6573 SdHoareTripleChecker+Invalid, 3965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1453 IncrementalHoareTripleChecker+Valid, 2511 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:33,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 6573 Invalid, 3965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1453 Valid, 2511 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-07-23 02:31:33,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16606 states. [2022-07-23 02:31:34,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16606 to 16346. [2022-07-23 02:31:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16346 states, 11116 states have (on average 1.263314141777618) internal successors, (14043), 11500 states have internal predecessors, (14043), 4313 states have call successors, (4313), 997 states have call predecessors, (4313), 914 states have return successors, (4489), 3953 states have call predecessors, (4489), 4309 states have call successors, (4489) [2022-07-23 02:31:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16346 states to 16346 states and 22845 transitions. [2022-07-23 02:31:34,263 INFO L78 Accepts]: Start accepts. Automaton has 16346 states and 22845 transitions. Word has length 196 [2022-07-23 02:31:34,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:34,264 INFO L495 AbstractCegarLoop]: Abstraction has 16346 states and 22845 transitions. [2022-07-23 02:31:34,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 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) [2022-07-23 02:31:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 16346 states and 22845 transitions. [2022-07-23 02:31:34,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-23 02:31:34,267 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:34,267 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 02:31:34,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 02:31:34,268 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)] === [2022-07-23 02:31:34,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:34,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1744922987, now seen corresponding path program 1 times [2022-07-23 02:31:34,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:31:34,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259449400] [2022-07-23 02:31:34,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:34,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:31:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:31:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:31:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:31:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:31:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:31:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:31:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:31:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:31:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:31:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:31:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:31:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:31:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:31:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:31:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:31:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:31:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:31:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 02:31:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 02:31:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:34,705 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-07-23 02:31:34,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:31:34,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259449400] [2022-07-23 02:31:34,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259449400] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:34,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:34,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:31:34,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209529071] [2022-07-23 02:31:34,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:34,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:31:34,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:31:34,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:31:34,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:31:34,708 INFO L87 Difference]: Start difference. First operand 16346 states and 22845 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:37,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:31:39,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:39,038 INFO L93 Difference]: Finished difference Result 16412 states and 22947 transitions. [2022-07-23 02:31:39,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:31:39,039 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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 181 [2022-07-23 02:31:39,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:39,104 INFO L225 Difference]: With dead ends: 16412 [2022-07-23 02:31:39,105 INFO L226 Difference]: Without dead ends: 16410 [2022-07-23 02:31:39,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:31:39,121 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 687 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 687 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:39,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:31:39,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16410 states. [2022-07-23 02:31:39,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16410 to 16350. [2022-07-23 02:31:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16350 states, 11119 states have (on average 1.2632430974008455) internal successors, (14046), 11503 states have internal predecessors, (14046), 4313 states have call successors, (4313), 998 states have call predecessors, (4313), 915 states have return successors, (4489), 3953 states have call predecessors, (4489), 4309 states have call successors, (4489) [2022-07-23 02:31:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16350 states to 16350 states and 22848 transitions. [2022-07-23 02:31:39,894 INFO L78 Accepts]: Start accepts. Automaton has 16350 states and 22848 transitions. Word has length 181 [2022-07-23 02:31:39,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:39,895 INFO L495 AbstractCegarLoop]: Abstraction has 16350 states and 22848 transitions. [2022-07-23 02:31:39,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand 16350 states and 22848 transitions. [2022-07-23 02:31:39,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-23 02:31:39,899 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:39,899 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 02:31:39,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 02:31:39,899 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)] === [2022-07-23 02:31:39,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:39,900 INFO L85 PathProgramCache]: Analyzing trace with hash -599659776, now seen corresponding path program 1 times [2022-07-23 02:31:39,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:31:39,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676686228] [2022-07-23 02:31:39,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:39,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:31:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:31:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:31:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:31:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:31:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:31:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:31:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:31:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:31:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:31:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:31:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:31:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:31:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:31:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:31:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:31:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:31:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:31:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 02:31:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 02:31:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 02:31:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:40,301 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2022-07-23 02:31:40,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:31:40,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676686228] [2022-07-23 02:31:40,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676686228] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:40,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:40,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:31:40,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815477834] [2022-07-23 02:31:40,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:40,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:31:40,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:31:40,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:31:40,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:31:40,305 INFO L87 Difference]: Start difference. First operand 16350 states and 22848 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:43,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:31:44,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:44,775 INFO L93 Difference]: Finished difference Result 16416 states and 22950 transitions. [2022-07-23 02:31:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:31:44,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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 186 [2022-07-23 02:31:44,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:44,828 INFO L225 Difference]: With dead ends: 16416 [2022-07-23 02:31:44,828 INFO L226 Difference]: Without dead ends: 16414 [2022-07-23 02:31:44,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:31:44,833 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 686 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 686 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:44,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [686 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:31:44,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16414 states. [2022-07-23 02:31:45,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16414 to 16354. [2022-07-23 02:31:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16354 states, 11122 states have (on average 1.2631720913504765) internal successors, (14049), 11506 states have internal predecessors, (14049), 4313 states have call successors, (4313), 999 states have call predecessors, (4313), 916 states have return successors, (4489), 3953 states have call predecessors, (4489), 4309 states have call successors, (4489) [2022-07-23 02:31:45,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16354 states to 16354 states and 22851 transitions. [2022-07-23 02:31:45,466 INFO L78 Accepts]: Start accepts. Automaton has 16354 states and 22851 transitions. Word has length 186 [2022-07-23 02:31:45,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:45,467 INFO L495 AbstractCegarLoop]: Abstraction has 16354 states and 22851 transitions. [2022-07-23 02:31:45,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 16354 states and 22851 transitions. [2022-07-23 02:31:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-23 02:31:45,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:45,472 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 02:31:45,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 02:31:45,472 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)] === [2022-07-23 02:31:45,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:45,473 INFO L85 PathProgramCache]: Analyzing trace with hash 797521483, now seen corresponding path program 1 times [2022-07-23 02:31:45,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:31:45,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971157968] [2022-07-23 02:31:45,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:45,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:31:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:31:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:31:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:31:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:31:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:31:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:31:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:31:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:31:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:31:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:31:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:31:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:31:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:31:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:31:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:31:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:31:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:31:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 02:31:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 02:31:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 02:31:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:31:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:45,881 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2022-07-23 02:31:45,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:31:45,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971157968] [2022-07-23 02:31:45,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971157968] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:45,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:45,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:31:45,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303368259] [2022-07-23 02:31:45,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:45,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:31:45,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:31:45,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:31:45,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:31:45,884 INFO L87 Difference]: Start difference. First operand 16354 states and 22851 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:48,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:31:50,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:50,287 INFO L93 Difference]: Finished difference Result 16420 states and 22953 transitions. [2022-07-23 02:31:50,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:31:50,288 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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 191 [2022-07-23 02:31:50,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:50,338 INFO L225 Difference]: With dead ends: 16420 [2022-07-23 02:31:50,338 INFO L226 Difference]: Without dead ends: 16418 [2022-07-23 02:31:50,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:31:50,348 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 685 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:50,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:31:50,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16418 states. [2022-07-23 02:31:51,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16418 to 16358. [2022-07-23 02:31:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16358 states, 11125 states have (on average 1.2631011235955056) internal successors, (14052), 11509 states have internal predecessors, (14052), 4313 states have call successors, (4313), 1000 states have call predecessors, (4313), 917 states have return successors, (4489), 3953 states have call predecessors, (4489), 4309 states have call successors, (4489) [2022-07-23 02:31:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16358 states to 16358 states and 22854 transitions. [2022-07-23 02:31:51,113 INFO L78 Accepts]: Start accepts. Automaton has 16358 states and 22854 transitions. Word has length 191 [2022-07-23 02:31:51,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:51,113 INFO L495 AbstractCegarLoop]: Abstraction has 16358 states and 22854 transitions. [2022-07-23 02:31:51,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 16358 states and 22854 transitions. [2022-07-23 02:31:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-23 02:31:51,119 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:51,119 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 8, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 02:31:51,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 02:31:51,119 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)] === [2022-07-23 02:31:51,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:51,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1278302624, now seen corresponding path program 1 times [2022-07-23 02:31:51,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:31:51,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545936974] [2022-07-23 02:31:51,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:51,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:31:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:31:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:31:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:31:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:31:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:31:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:31:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:31:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:31:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:31:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:31:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:31:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:31:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:31:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:31:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:31:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:31:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:31:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 02:31:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 02:31:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 02:31:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:31:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 02:31:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:51,452 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-07-23 02:31:51,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:31:51,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545936974] [2022-07-23 02:31:51,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545936974] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:51,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:51,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:31:51,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369121701] [2022-07-23 02:31:51,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:51,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:31:51,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:31:51,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:31:51,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:31:51,455 INFO L87 Difference]: Start difference. First operand 16358 states and 22854 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:54,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:31:55,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:31:55,868 INFO L93 Difference]: Finished difference Result 16424 states and 22956 transitions. [2022-07-23 02:31:55,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:31:55,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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 196 [2022-07-23 02:31:55,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:31:55,922 INFO L225 Difference]: With dead ends: 16424 [2022-07-23 02:31:55,922 INFO L226 Difference]: Without dead ends: 16422 [2022-07-23 02:31:55,932 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 [2022-07-23 02:31:55,933 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 684 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:31:55,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [684 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:31:55,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16422 states. [2022-07-23 02:31:56,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16422 to 16362. [2022-07-23 02:31:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16362 states, 11128 states have (on average 1.2630301941049604) internal successors, (14055), 11512 states have internal predecessors, (14055), 4313 states have call successors, (4313), 1001 states have call predecessors, (4313), 918 states have return successors, (4489), 3953 states have call predecessors, (4489), 4309 states have call successors, (4489) [2022-07-23 02:31:56,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16362 states to 16362 states and 22857 transitions. [2022-07-23 02:31:56,560 INFO L78 Accepts]: Start accepts. Automaton has 16362 states and 22857 transitions. Word has length 196 [2022-07-23 02:31:56,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:31:56,561 INFO L495 AbstractCegarLoop]: Abstraction has 16362 states and 22857 transitions. [2022-07-23 02:31:56,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 16362 states and 22857 transitions. [2022-07-23 02:31:56,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-23 02:31:56,566 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:31:56,566 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 8, 8, 7, 7, 7, 7, 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] [2022-07-23 02:31:56,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 02:31:56,567 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)] === [2022-07-23 02:31:56,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:31:56,567 INFO L85 PathProgramCache]: Analyzing trace with hash 592452395, now seen corresponding path program 1 times [2022-07-23 02:31:56,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:31:56,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281829969] [2022-07-23 02:31:56,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:31:56,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:31:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:31:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:31:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:31:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:31:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:31:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:31:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:31:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:31:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:31:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:31:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:31:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:31:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:31:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:31:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:31:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:31:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:31:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:31:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 02:31:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 02:31:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 02:31:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:31:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 02:31:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 02:31:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:31:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-23 02:31:57,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:31:57,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281829969] [2022-07-23 02:31:57,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281829969] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:31:57,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:31:57,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:31:57,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640490488] [2022-07-23 02:31:57,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:31:57,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:31:57,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:31:57,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:31:57,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:31:57,010 INFO L87 Difference]: Start difference. First operand 16362 states and 22857 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:31:59,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:32:02,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:02,162 INFO L93 Difference]: Finished difference Result 19330 states and 26615 transitions. [2022-07-23 02:32:02,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 02:32:02,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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 201 [2022-07-23 02:32:02,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:02,226 INFO L225 Difference]: With dead ends: 19330 [2022-07-23 02:32:02,227 INFO L226 Difference]: Without dead ends: 19328 [2022-07-23 02:32:02,240 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 [2022-07-23 02:32:02,240 INFO L413 NwaCegarLoop]: 1821 mSDtfsCounter, 1271 mSDsluCounter, 3302 mSDsCounter, 0 mSdLazyCounter, 2813 mSolverCounterSat, 678 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 5123 SdHoareTripleChecker+Invalid, 3492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 2813 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:02,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 5123 Invalid, 3492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 2813 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-07-23 02:32:02,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19328 states. [2022-07-23 02:32:02,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19328 to 19231. [2022-07-23 02:32:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19231 states, 12817 states have (on average 1.246391511274089) internal successors, (15975), 13252 states have internal predecessors, (15975), 5162 states have call successors, (5162), 1413 states have call predecessors, (5162), 1249 states have return successors, (5350), 4697 states have call predecessors, (5350), 5158 states have call successors, (5350) [2022-07-23 02:32:03,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19231 states to 19231 states and 26487 transitions. [2022-07-23 02:32:03,037 INFO L78 Accepts]: Start accepts. Automaton has 19231 states and 26487 transitions. Word has length 201 [2022-07-23 02:32:03,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:03,037 INFO L495 AbstractCegarLoop]: Abstraction has 19231 states and 26487 transitions. [2022-07-23 02:32:03,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:32:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 19231 states and 26487 transitions. [2022-07-23 02:32:03,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-23 02:32:03,042 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:03,042 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 9, 9, 7, 7, 7, 7, 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] [2022-07-23 02:32:03,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-23 02:32:03,043 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)] === [2022-07-23 02:32:03,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:03,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1401991232, now seen corresponding path program 1 times [2022-07-23 02:32:03,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:32:03,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745472487] [2022-07-23 02:32:03,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:03,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:32:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:32:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:32:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:32:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:32:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:32:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:32:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:32:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:32:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:32:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:32:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:32:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:32:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:32:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:32:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:32:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:32:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:32:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 02:32:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 02:32:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 02:32:03,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:32:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 02:32:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 02:32:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:32:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2022-07-23 02:32:03,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:32:03,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745472487] [2022-07-23 02:32:03,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745472487] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:03,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:03,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:32:03,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263478700] [2022-07-23 02:32:03,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:03,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:32:03,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:32:03,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:32:03,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:32:03,412 INFO L87 Difference]: Start difference. First operand 19231 states and 26487 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:32:06,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:32:07,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:07,868 INFO L93 Difference]: Finished difference Result 19309 states and 26595 transitions. [2022-07-23 02:32:07,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:32:07,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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 206 [2022-07-23 02:32:07,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:07,921 INFO L225 Difference]: With dead ends: 19309 [2022-07-23 02:32:07,922 INFO L226 Difference]: Without dead ends: 19307 [2022-07-23 02:32:07,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:32:07,930 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 682 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:07,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [682 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-23 02:32:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19307 states. [2022-07-23 02:32:08,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19307 to 19235. [2022-07-23 02:32:08,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19235 states, 12820 states have (on average 1.2463338533541342) internal successors, (15978), 13255 states have internal predecessors, (15978), 5162 states have call successors, (5162), 1414 states have call predecessors, (5162), 1250 states have return successors, (5350), 4697 states have call predecessors, (5350), 5158 states have call successors, (5350) [2022-07-23 02:32:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19235 states to 19235 states and 26490 transitions. [2022-07-23 02:32:08,644 INFO L78 Accepts]: Start accepts. Automaton has 19235 states and 26490 transitions. Word has length 206 [2022-07-23 02:32:08,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:08,644 INFO L495 AbstractCegarLoop]: Abstraction has 19235 states and 26490 transitions. [2022-07-23 02:32:08,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:32:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 19235 states and 26490 transitions. [2022-07-23 02:32:08,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-23 02:32:08,649 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:08,649 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 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] [2022-07-23 02:32:08,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-23 02:32:08,649 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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)] === [2022-07-23 02:32:08,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:08,650 INFO L85 PathProgramCache]: Analyzing trace with hash -1520994585, now seen corresponding path program 1 times [2022-07-23 02:32:08,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:32:08,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629614757] [2022-07-23 02:32:08,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:08,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:32:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:32:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:32:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:32:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:32:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:32:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:32:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:32:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:32:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:32:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:32:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:32:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:32:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:32:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 02:32:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:32:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:32:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 02:32:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 02:32:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 02:32:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:32:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:32:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-23 02:32:08,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:32:08,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629614757] [2022-07-23 02:32:08,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629614757] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:08,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:08,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:32:08,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666081392] [2022-07-23 02:32:08,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:08,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:32:08,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:32:08,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:32:08,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:32:08,945 INFO L87 Difference]: Start difference. First operand 19235 states and 26490 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:32:11,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:32:13,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:13,819 INFO L93 Difference]: Finished difference Result 42030 states and 57830 transitions. [2022-07-23 02:32:13,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:32:13,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 207 [2022-07-23 02:32:13,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:13,895 INFO L225 Difference]: With dead ends: 42030 [2022-07-23 02:32:13,895 INFO L226 Difference]: Without dead ends: 22884 [2022-07-23 02:32:13,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:32:13,951 INFO L413 NwaCegarLoop]: 2199 mSDtfsCounter, 755 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 538 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 1880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 538 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:13,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 4214 Invalid, 1880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [538 Valid, 1341 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 02:32:13,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22884 states. [2022-07-23 02:32:14,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22884 to 22623. [2022-07-23 02:32:14,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22623 states, 15228 states have (on average 1.2429078014184398) internal successors, (18927), 15763 states have internal predecessors, (18927), 5905 states have call successors, (5905), 1765 states have call predecessors, (5905), 1487 states have return successors, (6135), 5226 states have call predecessors, (6135), 5901 states have call successors, (6135) [2022-07-23 02:32:14,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22623 states to 22623 states and 30967 transitions. [2022-07-23 02:32:14,930 INFO L78 Accepts]: Start accepts. Automaton has 22623 states and 30967 transitions. Word has length 207 [2022-07-23 02:32:14,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:14,930 INFO L495 AbstractCegarLoop]: Abstraction has 22623 states and 30967 transitions. [2022-07-23 02:32:14,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:32:14,931 INFO L276 IsEmpty]: Start isEmpty. Operand 22623 states and 30967 transitions. [2022-07-23 02:32:14,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-23 02:32:14,933 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:14,934 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 7, 7, 7, 7, 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] [2022-07-23 02:32:14,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-23 02:32:14,934 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)] === [2022-07-23 02:32:14,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:14,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1319626741, now seen corresponding path program 1 times [2022-07-23 02:32:14,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:32:14,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754203382] [2022-07-23 02:32:14,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:14,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:32:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:32:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:32:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:32:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:32:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:32:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:32:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:32:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:32:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:32:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:32:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:32:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:32:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:32:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:32:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:32:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:32:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:32:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 02:32:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-23 02:32:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 02:32:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 02:32:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 02:32:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-23 02:32:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:32:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 02:32:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:15,266 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2022-07-23 02:32:15,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:32:15,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754203382] [2022-07-23 02:32:15,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754203382] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:15,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:15,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:32:15,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971226048] [2022-07-23 02:32:15,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:15,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:32:15,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:32:15,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:32:15,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:32:15,268 INFO L87 Difference]: Start difference. First operand 22623 states and 30967 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:32:18,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:32:20,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:20,009 INFO L93 Difference]: Finished difference Result 22701 states and 31081 transitions. [2022-07-23 02:32:20,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:32:20,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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 211 [2022-07-23 02:32:20,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:20,072 INFO L225 Difference]: With dead ends: 22701 [2022-07-23 02:32:20,072 INFO L226 Difference]: Without dead ends: 22697 [2022-07-23 02:32:20,081 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 [2022-07-23 02:32:20,082 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 681 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:20,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [681 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:32:20,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22697 states. [2022-07-23 02:32:20,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22697 to 22625. [2022-07-23 02:32:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22625 states, 15230 states have (on average 1.2428102429415626) internal successors, (18928), 15764 states have internal predecessors, (18928), 5905 states have call successors, (5905), 1766 states have call predecessors, (5905), 1487 states have return successors, (6135), 5226 states have call predecessors, (6135), 5901 states have call successors, (6135) [2022-07-23 02:32:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22625 states to 22625 states and 30968 transitions. [2022-07-23 02:32:20,970 INFO L78 Accepts]: Start accepts. Automaton has 22625 states and 30968 transitions. Word has length 211 [2022-07-23 02:32:20,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:20,971 INFO L495 AbstractCegarLoop]: Abstraction has 22625 states and 30968 transitions. [2022-07-23 02:32:20,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-07-23 02:32:20,971 INFO L276 IsEmpty]: Start isEmpty. Operand 22625 states and 30968 transitions. [2022-07-23 02:32:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-23 02:32:20,974 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:20,975 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 11, 11, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 02:32:20,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-23 02:32:20,975 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:32:20,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:20,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1578147651, now seen corresponding path program 1 times [2022-07-23 02:32:20,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:32:20,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303943482] [2022-07-23 02:32:20,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:20,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:32:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:32:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:32:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:32:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:32:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:32:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:32:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:32:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:32:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:32:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:32:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:32:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:32:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 02:32:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:32:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 02:32:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 02:32:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:32:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-23 02:32:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 02:32:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:32:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 02:32:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:32:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 02:32:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-23 02:32:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 02:32:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:32:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 02:32:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:32:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-23 02:32:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-23 02:32:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-23 02:32:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2022-07-23 02:32:21,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:32:21,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303943482] [2022-07-23 02:32:21,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303943482] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:21,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:21,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:32:21,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016503792] [2022-07-23 02:32:21,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:21,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:32:21,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:32:21,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:32:21,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:32:21,376 INFO L87 Difference]: Start difference. First operand 22625 states and 30968 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-07-23 02:32:24,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:32:26,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:26,630 INFO L93 Difference]: Finished difference Result 22859 states and 31365 transitions. [2022-07-23 02:32:26,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:32:26,630 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 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 255 [2022-07-23 02:32:26,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:26,712 INFO L225 Difference]: With dead ends: 22859 [2022-07-23 02:32:26,712 INFO L226 Difference]: Without dead ends: 22539 [2022-07-23 02:32:26,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-23 02:32:26,735 INFO L413 NwaCegarLoop]: 1638 mSDtfsCounter, 1881 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 2411 mSolverCounterSat, 1227 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 5129 SdHoareTripleChecker+Invalid, 3639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1227 IncrementalHoareTripleChecker+Valid, 2411 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:26,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 5129 Invalid, 3639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1227 Valid, 2411 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 02:32:26,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22539 states. [2022-07-23 02:32:27,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22539 to 22305. [2022-07-23 02:32:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22305 states, 15025 states have (on average 1.241730449251248) internal successors, (18657), 15523 states have internal predecessors, (18657), 5809 states have call successors, (5809), 1736 states have call predecessors, (5809), 1469 states have return successors, (6043), 5177 states have call predecessors, (6043), 5809 states have call successors, (6043) [2022-07-23 02:32:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22305 states to 22305 states and 30509 transitions. [2022-07-23 02:32:27,898 INFO L78 Accepts]: Start accepts. Automaton has 22305 states and 30509 transitions. Word has length 255 [2022-07-23 02:32:27,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:27,899 INFO L495 AbstractCegarLoop]: Abstraction has 22305 states and 30509 transitions. [2022-07-23 02:32:27,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 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) [2022-07-23 02:32:27,899 INFO L276 IsEmpty]: Start isEmpty. Operand 22305 states and 30509 transitions. [2022-07-23 02:32:27,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-23 02:32:27,904 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:27,904 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 8, 8, 8, 7, 7, 7, 7, 7, 7, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:27,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-23 02:32:27,905 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)] === [2022-07-23 02:32:27,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:27,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1491207294, now seen corresponding path program 1 times [2022-07-23 02:32:27,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:32:27,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948517460] [2022-07-23 02:32:27,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:27,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:32:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:32:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:32:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:32:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:32:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:32:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:32:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:32:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:32:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:32:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:32:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:32:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:32:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:32:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 02:32:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:32:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:32:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:32:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:32:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:32:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:32:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 02:32:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 02:32:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:32:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:32:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-23 02:32:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 02:32:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-07-23 02:32:28,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:32:28,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948517460] [2022-07-23 02:32:28,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948517460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:28,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:28,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:32:28,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825714577] [2022-07-23 02:32:28,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:28,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:32:28,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:32:28,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:32:28,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:32:28,252 INFO L87 Difference]: Start difference. First operand 22305 states and 30509 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 02:32:30,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:32:33,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:33,005 INFO L93 Difference]: Finished difference Result 47879 states and 65480 transitions. [2022-07-23 02:32:33,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:32:33,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 258 [2022-07-23 02:32:33,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:33,098 INFO L225 Difference]: With dead ends: 47879 [2022-07-23 02:32:33,098 INFO L226 Difference]: Without dead ends: 25591 [2022-07-23 02:32:33,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:32:33,145 INFO L413 NwaCegarLoop]: 2143 mSDtfsCounter, 726 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 461 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 871 SdHoareTripleChecker+Valid, 4148 SdHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:33,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [871 Valid, 4148 Invalid, 1719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 1257 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-23 02:32:33,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25591 states. [2022-07-23 02:32:34,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25591 to 25379. [2022-07-23 02:32:34,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25379 states, 17221 states have (on average 1.2402880204401603) internal successors, (21359), 17807 states have internal predecessors, (21359), 6481 states have call successors, (6481), 2050 states have call predecessors, (6481), 1675 states have return successors, (6757), 5653 states have call predecessors, (6757), 6481 states have call successors, (6757) [2022-07-23 02:32:34,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25379 states to 25379 states and 34597 transitions. [2022-07-23 02:32:34,139 INFO L78 Accepts]: Start accepts. Automaton has 25379 states and 34597 transitions. Word has length 258 [2022-07-23 02:32:34,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:34,139 INFO L495 AbstractCegarLoop]: Abstraction has 25379 states and 34597 transitions. [2022-07-23 02:32:34,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 02:32:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 25379 states and 34597 transitions. [2022-07-23 02:32:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-23 02:32:34,143 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:34,144 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 8, 8, 8, 7, 7, 7, 7, 7, 7, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:34,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-23 02:32:34,144 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)] === [2022-07-23 02:32:34,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:34,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1908603900, now seen corresponding path program 1 times [2022-07-23 02:32:34,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:32:34,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523876655] [2022-07-23 02:32:34,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:34,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:32:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:32:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:32:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:32:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:32:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:32:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:32:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:32:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:32:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:32:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:32:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:32:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:32:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:32:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 02:32:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:32:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:32:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:32:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:32:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:32:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:32:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 02:32:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 02:32:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:32:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:32:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-23 02:32:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-23 02:32:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-07-23 02:32:34,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:32:34,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523876655] [2022-07-23 02:32:34,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523876655] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:34,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:34,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:32:34,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784073378] [2022-07-23 02:32:34,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:34,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:32:34,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:32:34,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:32:34,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:32:34,430 INFO L87 Difference]: Start difference. First operand 25379 states and 34597 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 02:32:36,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:32:39,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:39,359 INFO L93 Difference]: Finished difference Result 54445 states and 74163 transitions. [2022-07-23 02:32:39,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:32:39,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 258 [2022-07-23 02:32:39,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:39,468 INFO L225 Difference]: With dead ends: 54445 [2022-07-23 02:32:39,468 INFO L226 Difference]: Without dead ends: 29155 [2022-07-23 02:32:39,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:32:39,538 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 944 mSDsluCounter, 1988 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 503 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1130 SdHoareTripleChecker+Valid, 4206 SdHoareTripleChecker+Invalid, 1810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:39,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1130 Valid, 4206 Invalid, 1810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1306 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-23 02:32:39,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29155 states. [2022-07-23 02:32:40,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29155 to 28911. [2022-07-23 02:32:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28911 states, 19718 states have (on average 1.2365351455522873) internal successors, (24382), 20392 states have internal predecessors, (24382), 7250 states have call successors, (7250), 2454 states have call predecessors, (7250), 1941 states have return successors, (7568), 6196 states have call predecessors, (7568), 7250 states have call successors, (7568) [2022-07-23 02:32:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28911 states to 28911 states and 39200 transitions. [2022-07-23 02:32:40,892 INFO L78 Accepts]: Start accepts. Automaton has 28911 states and 39200 transitions. Word has length 258 [2022-07-23 02:32:40,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:40,893 INFO L495 AbstractCegarLoop]: Abstraction has 28911 states and 39200 transitions. [2022-07-23 02:32:40,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 02:32:40,893 INFO L276 IsEmpty]: Start isEmpty. Operand 28911 states and 39200 transitions. [2022-07-23 02:32:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-07-23 02:32:40,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:40,898 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:40,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-23 02:32:40,899 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)] === [2022-07-23 02:32:40,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:40,899 INFO L85 PathProgramCache]: Analyzing trace with hash 791268321, now seen corresponding path program 1 times [2022-07-23 02:32:40,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:32:40,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805223646] [2022-07-23 02:32:40,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:40,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:32:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:32:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:32:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:32:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:32:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:32:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:32:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:32:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:32:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:32:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:32:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:32:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:32:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:32:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 02:32:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:32:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:32:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:32:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:32:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:32:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:32:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:32:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:32:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 02:32:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 02:32:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:32:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 02:32:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:32:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 02:32:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 02:32:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 02:32:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-23 02:32:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:32:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 02:32:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:41,566 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2022-07-23 02:32:41,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:32:41,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805223646] [2022-07-23 02:32:41,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805223646] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:41,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:41,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:32:41,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883515747] [2022-07-23 02:32:41,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:41,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:32:41,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:32:41,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:32:41,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:32:41,570 INFO L87 Difference]: Start difference. First operand 28911 states and 39200 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:32:44,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:32:46,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:46,719 INFO L93 Difference]: Finished difference Result 61091 states and 82882 transitions. [2022-07-23 02:32:46,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:32:46,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 339 [2022-07-23 02:32:46,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:46,842 INFO L225 Difference]: With dead ends: 61091 [2022-07-23 02:32:46,842 INFO L226 Difference]: Without dead ends: 32283 [2022-07-23 02:32:46,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:32:46,897 INFO L413 NwaCegarLoop]: 1916 mSDtfsCounter, 779 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 506 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:46,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 3794 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 1254 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-23 02:32:46,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32283 states. [2022-07-23 02:32:48,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32283 to 32069. [2022-07-23 02:32:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32069 states, 21988 states have (on average 1.2359923594688011) internal successors, (27177), 22750 states have internal predecessors, (27177), 7928 states have call successors, (7928), 2772 states have call predecessors, (7928), 2151 states have return successors, (8288), 6678 states have call predecessors, (8288), 7928 states have call successors, (8288) [2022-07-23 02:32:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32069 states to 32069 states and 43393 transitions. [2022-07-23 02:32:48,322 INFO L78 Accepts]: Start accepts. Automaton has 32069 states and 43393 transitions. Word has length 339 [2022-07-23 02:32:48,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:48,323 INFO L495 AbstractCegarLoop]: Abstraction has 32069 states and 43393 transitions. [2022-07-23 02:32:48,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:32:48,324 INFO L276 IsEmpty]: Start isEmpty. Operand 32069 states and 43393 transitions. [2022-07-23 02:32:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-07-23 02:32:48,330 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:48,331 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:48,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-23 02:32:48,331 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)] === [2022-07-23 02:32:48,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:48,332 INFO L85 PathProgramCache]: Analyzing trace with hash 373871715, now seen corresponding path program 1 times [2022-07-23 02:32:48,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:32:48,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137555289] [2022-07-23 02:32:48,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:48,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:32:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:32:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:32:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:32:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:32:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:32:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:32:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:32:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:32:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:32:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:32:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:32:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:32:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:32:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 02:32:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:32:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:32:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:32:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:32:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:32:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:32:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:32:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:32:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 02:32:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 02:32:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:32:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 02:32:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:32:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 02:32:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 02:32:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 02:32:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-23 02:32:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:32:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 02:32:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:48,652 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2022-07-23 02:32:48,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:32:48,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137555289] [2022-07-23 02:32:48,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137555289] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:48,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:48,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:32:48,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189707727] [2022-07-23 02:32:48,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:48,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:32:48,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:32:48,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:32:48,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:32:48,656 INFO L87 Difference]: Start difference. First operand 32069 states and 43393 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:32:51,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:32:54,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:32:54,085 INFO L93 Difference]: Finished difference Result 67551 states and 91454 transitions. [2022-07-23 02:32:54,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:32:54,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 339 [2022-07-23 02:32:54,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:32:54,186 INFO L225 Difference]: With dead ends: 67551 [2022-07-23 02:32:54,186 INFO L226 Difference]: Without dead ends: 35585 [2022-07-23 02:32:54,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:32:54,248 INFO L413 NwaCegarLoop]: 2179 mSDtfsCounter, 742 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 453 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 4203 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:32:54,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 4203 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 1262 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-23 02:32:54,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35585 states. [2022-07-23 02:32:55,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35585 to 35371. [2022-07-23 02:32:55,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35371 states, 24378 states have (on average 1.2353761588317336) internal successors, (30116), 25228 states have internal predecessors, (30116), 8618 states have call successors, (8618), 3102 states have call predecessors, (8618), 2373 states have return successors, (9020), 7172 states have call predecessors, (9020), 8618 states have call successors, (9020) [2022-07-23 02:32:55,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35371 states to 35371 states and 47754 transitions. [2022-07-23 02:32:55,837 INFO L78 Accepts]: Start accepts. Automaton has 35371 states and 47754 transitions. Word has length 339 [2022-07-23 02:32:55,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:32:55,838 INFO L495 AbstractCegarLoop]: Abstraction has 35371 states and 47754 transitions. [2022-07-23 02:32:55,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-23 02:32:55,838 INFO L276 IsEmpty]: Start isEmpty. Operand 35371 states and 47754 transitions. [2022-07-23 02:32:55,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-23 02:32:55,846 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:32:55,846 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:32:55,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-23 02:32:55,847 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:32:55,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:32:55,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1441185952, now seen corresponding path program 1 times [2022-07-23 02:32:55,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:32:55,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660296772] [2022-07-23 02:32:55,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:32:55,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:32:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:32:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:32:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:32:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:32:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:32:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:32:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:32:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:32:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:32:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:32:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:32:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:32:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:32:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 02:32:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:32:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:32:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:32:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:32:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:32:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:32:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:32:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:32:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 02:32:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 02:32:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:32:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 02:32:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:32:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 02:32:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 02:32:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 02:32:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 02:32:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 02:32:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 02:32:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 02:32:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:32:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-23 02:32:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-23 02:32:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:32:56,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2022-07-23 02:32:56,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:32:56,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660296772] [2022-07-23 02:32:56,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660296772] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:32:56,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:32:56,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:32:56,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447536791] [2022-07-23 02:32:56,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:32:56,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:32:56,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:32:56,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:32:56,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:32:56,627 INFO L87 Difference]: Start difference. First operand 35371 states and 47754 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-23 02:32:59,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:33:02,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:33:02,389 INFO L93 Difference]: Finished difference Result 35500 states and 47941 transitions. [2022-07-23 02:33:02,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 02:33:02,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 378 [2022-07-23 02:33:02,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:33:02,559 INFO L225 Difference]: With dead ends: 35500 [2022-07-23 02:33:02,560 INFO L226 Difference]: Without dead ends: 35498 [2022-07-23 02:33:02,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:33:02,571 INFO L413 NwaCegarLoop]: 1781 mSDtfsCounter, 1188 mSDsluCounter, 3279 mSDsCounter, 0 mSdLazyCounter, 2719 mSolverCounterSat, 624 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 5060 SdHoareTripleChecker+Invalid, 3344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 2719 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:33:02,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1373 Valid, 5060 Invalid, 3344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [624 Valid, 2719 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 02:33:02,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35498 states. [2022-07-23 02:33:03,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35498 to 35371. [2022-07-23 02:33:03,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35371 states, 24378 states have (on average 1.232545737960456) internal successors, (30047), 25228 states have internal predecessors, (30047), 8618 states have call successors, (8618), 3102 states have call predecessors, (8618), 2373 states have return successors, (9020), 7172 states have call predecessors, (9020), 8618 states have call successors, (9020) [2022-07-23 02:33:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35371 states to 35371 states and 47685 transitions. [2022-07-23 02:33:04,154 INFO L78 Accepts]: Start accepts. Automaton has 35371 states and 47685 transitions. Word has length 378 [2022-07-23 02:33:04,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:33:04,155 INFO L495 AbstractCegarLoop]: Abstraction has 35371 states and 47685 transitions. [2022-07-23 02:33:04,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-23 02:33:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand 35371 states and 47685 transitions. [2022-07-23 02:33:04,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2022-07-23 02:33:04,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:33:04,182 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 14, 14, 13, 13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:33:04,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-23 02:33:04,182 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-07-23 02:33:04,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:33:04,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1578447566, now seen corresponding path program 1 times [2022-07-23 02:33:04,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:33:04,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802868666] [2022-07-23 02:33:04,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:33:04,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:33:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:33:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:33:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:33:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:33:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:33:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:33:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:33:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:33:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:33:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:33:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:33:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:33:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:33:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 02:33:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:33:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:33:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:33:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:33:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:33:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:33:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:33:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:33:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 02:33:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 02:33:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 02:33:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:33:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 02:33:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:33:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 02:33:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 02:33:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 02:33:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 02:33:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 02:33:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 02:33:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:33:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 02:33:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 02:33:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-23 02:33:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-23 02:33:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 02:33:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 02:33:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-23 02:33:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-23 02:33:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:33:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 02:33:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-23 02:33:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-23 02:33:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 02:33:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-23 02:33:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-23 02:33:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-23 02:33:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-23 02:33:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:33:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-23 02:33:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-23 02:33:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-23 02:33:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:04,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1448 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1434 trivial. 0 not checked. [2022-07-23 02:33:04,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:33:04,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802868666] [2022-07-23 02:33:04,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802868666] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:33:04,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:33:04,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:33:04,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547254692] [2022-07-23 02:33:04,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:33:04,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:33:04,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:33:04,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:33:04,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:33:04,759 INFO L87 Difference]: Start difference. First operand 35371 states and 47685 transitions. Second operand has 6 states, 5 states have (on average 41.8) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (63), 4 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-23 02:33:07,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:33:09,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:33:12,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:33:14,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:33:18,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:33:18,806 INFO L93 Difference]: Finished difference Result 105003 states and 144776 transitions. [2022-07-23 02:33:18,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 02:33:18,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 41.8) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (63), 4 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 3 states have call successors, (60) Word has length 525 [2022-07-23 02:33:18,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:33:19,026 INFO L225 Difference]: With dead ends: 105003 [2022-07-23 02:33:19,026 INFO L226 Difference]: Without dead ends: 69735 [2022-07-23 02:33:19,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:33:19,121 INFO L413 NwaCegarLoop]: 2362 mSDtfsCounter, 2159 mSDsluCounter, 4934 mSDsCounter, 0 mSdLazyCounter, 3090 mSolverCounterSat, 1047 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 7296 SdHoareTripleChecker+Invalid, 4141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1047 IncrementalHoareTripleChecker+Valid, 3090 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:33:19,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 7296 Invalid, 4141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1047 Valid, 3090 Invalid, 4 Unknown, 0 Unchecked, 11.3s Time] [2022-07-23 02:33:19,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69735 states. [2022-07-23 02:33:21,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69735 to 34081. [2022-07-23 02:33:21,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34081 states, 23508 states have (on average 1.2296664965118258) internal successors, (28907), 24298 states have internal predecessors, (28907), 8246 states have call successors, (8246), 3066 states have call predecessors, (8246), 2325 states have return successors, (8564), 6842 states have call predecessors, (8564), 8246 states have call successors, (8564) [2022-07-23 02:33:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34081 states to 34081 states and 45717 transitions. [2022-07-23 02:33:21,802 INFO L78 Accepts]: Start accepts. Automaton has 34081 states and 45717 transitions. Word has length 525 [2022-07-23 02:33:21,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:33:21,802 INFO L495 AbstractCegarLoop]: Abstraction has 34081 states and 45717 transitions. [2022-07-23 02:33:21,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 41.8) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (63), 4 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-23 02:33:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 34081 states and 45717 transitions. [2022-07-23 02:33:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2022-07-23 02:33:21,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:33:21,819 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 19, 19, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:33:21,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-23 02:33:21,819 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-07-23 02:33:21,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:33:21,820 INFO L85 PathProgramCache]: Analyzing trace with hash -758479427, now seen corresponding path program 1 times [2022-07-23 02:33:21,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:33:21,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117058598] [2022-07-23 02:33:21,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:33:21,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:33:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:33:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:33:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:33:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:33:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:33:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:33:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:33:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:33:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:33:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:33:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:33:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:33:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:33:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 02:33:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:33:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:33:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:33:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:33:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:33:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:33:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:33:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:33:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 02:33:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 02:33:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:33:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 02:33:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:33:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 02:33:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 02:33:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 02:33:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 02:33:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 02:33:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 02:33:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 02:33:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-23 02:33:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-23 02:33:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 02:33:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:33:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-23 02:33:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:33:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:33:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 02:33:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 02:33:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 02:33:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:33:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 02:33:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:33:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 02:33:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 02:33:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:33:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 02:33:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 02:33:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-23 02:33:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 02:33:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 02:33:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-23 02:33:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:22,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:23,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:23,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:23,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 02:33:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:23,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:23,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:33:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:23,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2022-07-23 02:33:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4646 trivial. 0 not checked. [2022-07-23 02:33:23,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:33:23,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117058598] [2022-07-23 02:33:23,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117058598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:33:23,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:33:23,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:33:23,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271854373] [2022-07-23 02:33:23,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:33:23,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:33:23,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:33:23,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:33:23,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:33:23,040 INFO L87 Difference]: Start difference. First operand 34081 states and 45717 transitions. Second operand has 7 states, 6 states have (on average 29.833333333333332) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (71), 6 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 3 states have call successors, (68) [2022-07-23 02:33:25,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:33:29,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:33:29,902 INFO L93 Difference]: Finished difference Result 69264 states and 93527 transitions. [2022-07-23 02:33:29,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 02:33:29,903 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.833333333333332) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (71), 6 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 3 states have call successors, (68) Word has length 869 [2022-07-23 02:33:29,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:33:30,029 INFO L225 Difference]: With dead ends: 69264 [2022-07-23 02:33:30,030 INFO L226 Difference]: Without dead ends: 35286 [2022-07-23 02:33:30,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-07-23 02:33:30,145 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1214 mSDsluCounter, 2910 mSDsCounter, 0 mSdLazyCounter, 2206 mSolverCounterSat, 1745 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 4484 SdHoareTripleChecker+Invalid, 3952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1745 IncrementalHoareTripleChecker+Valid, 2206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:33:30,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 4484 Invalid, 3952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1745 Valid, 2206 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-07-23 02:33:30,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35286 states. [2022-07-23 02:33:32,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35286 to 34105. [2022-07-23 02:33:32,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34105 states, 23532 states have (on average 1.2294322624511305) internal successors, (28931), 24322 states have internal predecessors, (28931), 8246 states have call successors, (8246), 3066 states have call predecessors, (8246), 2325 states have return successors, (8564), 6842 states have call predecessors, (8564), 8246 states have call successors, (8564) [2022-07-23 02:33:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34105 states to 34105 states and 45741 transitions. [2022-07-23 02:33:32,152 INFO L78 Accepts]: Start accepts. Automaton has 34105 states and 45741 transitions. Word has length 869 [2022-07-23 02:33:32,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:33:32,153 INFO L495 AbstractCegarLoop]: Abstraction has 34105 states and 45741 transitions. [2022-07-23 02:33:32,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.833333333333332) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (71), 6 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 3 states have call successors, (68) [2022-07-23 02:33:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 34105 states and 45741 transitions. [2022-07-23 02:33:32,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-07-23 02:33:32,174 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:33:32,175 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 15, 15, 15, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:33:32,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-23 02:33:32,175 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-07-23 02:33:32,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:33:32,176 INFO L85 PathProgramCache]: Analyzing trace with hash 553442459, now seen corresponding path program 1 times [2022-07-23 02:33:32,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:33:32,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949768040] [2022-07-23 02:33:32,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:33:32,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:33:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:33:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:33:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:33:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:33:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:33:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:33:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:33:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:33:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:33:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:33:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:33:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:33:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:33:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 02:33:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:33:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:33:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:33:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:33:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:33:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:33:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:33:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:33:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 02:33:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 02:33:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 02:33:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:33:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 02:33:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:33:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 02:33:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:33:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:33:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:33:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 02:33:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 02:33:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-23 02:33:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 02:33:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-23 02:33:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 02:33:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-23 02:33:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 02:33:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-23 02:33:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-23 02:33:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-23 02:33:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-23 02:33:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-23 02:33:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-23 02:33:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-23 02:33:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-23 02:33:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-23 02:33:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-23 02:33:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-23 02:33:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-23 02:33:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-23 02:33:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-23 02:33:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-23 02:33:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-23 02:33:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-07-23 02:33:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-23 02:33:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:33:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-23 02:33:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-23 02:33:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-07-23 02:33:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1667 trivial. 0 not checked. [2022-07-23 02:33:32,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:33:32,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949768040] [2022-07-23 02:33:32,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949768040] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:33:32,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:33:32,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:33:32,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166200728] [2022-07-23 02:33:32,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:33:32,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:33:32,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:33:32,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:33:32,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:33:32,898 INFO L87 Difference]: Start difference. First operand 34105 states and 45741 transitions. Second operand has 7 states, 6 states have (on average 39.5) internal successors, (237), 3 states have internal predecessors, (237), 3 states have call successors, (74), 6 states have call predecessors, (74), 2 states have return successors, (71), 2 states have call predecessors, (71), 3 states have call successors, (71) [2022-07-23 02:33:35,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:33:37,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:33:42,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:33:42,863 INFO L93 Difference]: Finished difference Result 69300 states and 93464 transitions. [2022-07-23 02:33:42,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 02:33:42,864 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 39.5) internal successors, (237), 3 states have internal predecessors, (237), 3 states have call successors, (74), 6 states have call predecessors, (74), 2 states have return successors, (71), 2 states have call predecessors, (71), 3 states have call successors, (71) Word has length 612 [2022-07-23 02:33:42,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:33:43,029 INFO L225 Difference]: With dead ends: 69300 [2022-07-23 02:33:43,029 INFO L226 Difference]: Without dead ends: 35298 [2022-07-23 02:33:43,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-07-23 02:33:43,292 INFO L413 NwaCegarLoop]: 1575 mSDtfsCounter, 1030 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 1369 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 4977 SdHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1369 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:33:43,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 4977 Invalid, 4178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1369 Valid, 2807 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2022-07-23 02:33:43,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35298 states. [2022-07-23 02:33:45,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35298 to 34213. [2022-07-23 02:33:45,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34213 states, 23604 states have (on average 1.229495000847314) internal successors, (29021), 24394 states have internal predecessors, (29021), 8282 states have call successors, (8282), 3066 states have call predecessors, (8282), 2325 states have return successors, (8600), 6878 states have call predecessors, (8600), 8282 states have call successors, (8600) [2022-07-23 02:33:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34213 states to 34213 states and 45903 transitions. [2022-07-23 02:33:45,287 INFO L78 Accepts]: Start accepts. Automaton has 34213 states and 45903 transitions. Word has length 612 [2022-07-23 02:33:45,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:33:45,288 INFO L495 AbstractCegarLoop]: Abstraction has 34213 states and 45903 transitions. [2022-07-23 02:33:45,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 39.5) internal successors, (237), 3 states have internal predecessors, (237), 3 states have call successors, (74), 6 states have call predecessors, (74), 2 states have return successors, (71), 2 states have call predecessors, (71), 3 states have call successors, (71) [2022-07-23 02:33:45,288 INFO L276 IsEmpty]: Start isEmpty. Operand 34213 states and 45903 transitions. [2022-07-23 02:33:45,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2022-07-23 02:33:45,307 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:33:45,307 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:33:45,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-23 02:33:45,308 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-07-23 02:33:45,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:33:45,308 INFO L85 PathProgramCache]: Analyzing trace with hash 410012192, now seen corresponding path program 1 times [2022-07-23 02:33:45,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:33:45,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013267471] [2022-07-23 02:33:45,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:33:45,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:33:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:33:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:33:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:33:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:33:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:33:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:33:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:33:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:33:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:33:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:33:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:33:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:33:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:33:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 02:33:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:33:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:33:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:33:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:33:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:33:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:33:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:33:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:33:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 02:33:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 02:33:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 02:33:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 02:33:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:33:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:45,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 02:33:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-23 02:33:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 02:33:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 02:33:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 02:33:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 02:33:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 02:33:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-23 02:33:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-23 02:33:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 02:33:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:33:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-23 02:33:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:33:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:33:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 02:33:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 02:33:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 02:33:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 02:33:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 02:33:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:33:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 02:33:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-23 02:33:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:33:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-23 02:33:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 02:33:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-23 02:33:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 02:33:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 02:33:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-23 02:33:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:33:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-23 02:33:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-23 02:33:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-23 02:33:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:33:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2022-07-23 02:33:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5451 trivial. 0 not checked. [2022-07-23 02:33:46,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:33:46,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013267471] [2022-07-23 02:33:46,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013267471] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:33:46,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702022142] [2022-07-23 02:33:46,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:33:46,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:33:46,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:33:46,678 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:33:46,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 02:33:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:48,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 7135 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 02:33:48,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:33:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 902 proven. 1 refuted. 0 times theorem prover too weak. 4549 trivial. 0 not checked. [2022-07-23 02:33:48,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:33:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5451 trivial. 0 not checked. [2022-07-23 02:33:49,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702022142] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:33:49,173 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 02:33:49,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-23 02:33:49,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831929798] [2022-07-23 02:33:49,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 02:33:49,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 02:33:49,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:33:49,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 02:33:49,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:33:49,176 INFO L87 Difference]: Start difference. First operand 34213 states and 45903 transitions. Second operand has 11 states, 10 states have (on average 24.1) internal successors, (241), 7 states have internal predecessors, (241), 6 states have call successors, (119), 6 states have call predecessors, (119), 2 states have return successors, (87), 5 states have call predecessors, (87), 6 states have call successors, (87) [2022-07-23 02:33:51,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 02:33:56,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:33:56,357 INFO L93 Difference]: Finished difference Result 69912 states and 94475 transitions. [2022-07-23 02:33:56,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 02:33:56,358 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.1) internal successors, (241), 7 states have internal predecessors, (241), 6 states have call successors, (119), 6 states have call predecessors, (119), 2 states have return successors, (87), 5 states have call predecessors, (87), 6 states have call successors, (87) Word has length 933 [2022-07-23 02:33:56,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:33:56,644 INFO L225 Difference]: With dead ends: 69912 [2022-07-23 02:33:56,645 INFO L226 Difference]: Without dead ends: 35802 [2022-07-23 02:33:56,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2178 GetRequests, 2159 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2022-07-23 02:33:56,747 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1268 mSDsluCounter, 3838 mSDsCounter, 0 mSdLazyCounter, 3072 mSolverCounterSat, 1787 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 5412 SdHoareTripleChecker+Invalid, 4860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1787 IncrementalHoareTripleChecker+Valid, 3072 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:33:56,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 5412 Invalid, 4860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1787 Valid, 3072 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-07-23 02:33:56,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35802 states. [2022-07-23 02:33:58,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35802 to 34789. [2022-07-23 02:33:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34789 states, 24036 states have (on average 1.2283657846563487) internal successors, (29525), 24826 states have internal predecessors, (29525), 8426 states have call successors, (8426), 3066 states have call predecessors, (8426), 2325 states have return successors, (8744), 7022 states have call predecessors, (8744), 8426 states have call successors, (8744) [2022-07-23 02:33:58,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34789 states to 34789 states and 46695 transitions. [2022-07-23 02:33:58,765 INFO L78 Accepts]: Start accepts. Automaton has 34789 states and 46695 transitions. Word has length 933 [2022-07-23 02:33:58,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:33:58,766 INFO L495 AbstractCegarLoop]: Abstraction has 34789 states and 46695 transitions. [2022-07-23 02:33:58,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.1) internal successors, (241), 7 states have internal predecessors, (241), 6 states have call successors, (119), 6 states have call predecessors, (119), 2 states have return successors, (87), 5 states have call predecessors, (87), 6 states have call successors, (87) [2022-07-23 02:33:58,766 INFO L276 IsEmpty]: Start isEmpty. Operand 34789 states and 46695 transitions. [2022-07-23 02:33:58,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2022-07-23 02:33:58,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:33:58,785 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:33:58,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:33:58,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-07-23 02:33:58,986 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_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)] === [2022-07-23 02:33:58,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:33:58,986 INFO L85 PathProgramCache]: Analyzing trace with hash -810398502, now seen corresponding path program 1 times [2022-07-23 02:33:58,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:33:58,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429362504] [2022-07-23 02:33:58,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:33:58,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:33:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:33:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:33:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:33:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:33:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:33:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:33:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:33:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:33:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:33:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:33:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:33:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:33:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:33:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 02:33:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:33:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:33:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:33:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:33:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:33:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:33:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:33:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 02:33:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 02:33:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 02:33:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 02:33:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:33:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 02:33:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:33:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 02:33:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:33:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:33:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:33:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-23 02:33:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 02:33:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:33:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 02:33:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:33:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 02:33:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-23 02:33:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-23 02:33:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-23 02:33:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-23 02:33:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-23 02:33:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-23 02:33:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-23 02:33:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 02:33:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-23 02:33:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-23 02:33:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-07-23 02:33:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-23 02:33:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-23 02:33:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-23 02:33:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-23 02:33:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-23 02:33:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-23 02:33:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-23 02:33:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-23 02:33:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-23 02:33:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:33:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-23 02:33:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-23 02:33:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-23 02:33:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-07-23 02:33:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:33:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:33:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-07-23 02:33:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2022-07-23 02:33:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-07-23 02:33:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:33:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1769 trivial. 0 not checked. [2022-07-23 02:33:59,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:33:59,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429362504] [2022-07-23 02:33:59,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429362504] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:33:59,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271736736] [2022-07-23 02:33:59,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:33:59,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:33:59,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:33:59,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:33:59,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process