./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-mutex_drivers-net-ethernet-icplus-ipg.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.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 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:43:00,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:43:00,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:43:00,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:43:00,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:43:00,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:43:00,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:43:00,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:43:00,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:43:00,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:43:00,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:43:00,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:43:00,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:43:00,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:43:00,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:43:00,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:43:00,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:43:00,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:43:00,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:43:00,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:43:00,751 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:43:00,752 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:43:00,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:43:00,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:43:00,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:43:00,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:43:00,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:43:00,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:43:00,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:43:00,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:43:00,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:43:00,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:43:00,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:43:00,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:43:00,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:43:00,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:43:00,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:43:00,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:43:00,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:43:00,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:43:00,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:43:00,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:43:00,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:43:00,792 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:43:00,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:43:00,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:43:00,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:43:00,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:43:00,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:43:00,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:43:00,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:43:00,794 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:43:00,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:43:00,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:43:00,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:43:00,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:43:00,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:43:00,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:43:00,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:43:00,796 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:43:00,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:43:00,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:43:00,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:43:00,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:43:00,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:43:00,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:43:00,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:43:00,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:43:00,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:43:00,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:43:00,798 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:43:00,798 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:43:00,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:43:00,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fae230e52bc983f4c0251cc946bfbc52943e9b9d698b0f694e42af65a9c74e9 [2022-07-14 02:43:01,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:43:01,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:43:01,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:43:01,024 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:43:01,024 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:43:01,026 INFO L432 ainManager$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-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2022-07-14 02:43:01,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e57a79331/43ab9801c89b4b17852da97b580a4753/FLAG0291a1b86 [2022-07-14 02:43:01,714 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:43:01,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2022-07-14 02:43:01,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e57a79331/43ab9801c89b4b17852da97b580a4753/FLAG0291a1b86 [2022-07-14 02:43:01,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e57a79331/43ab9801c89b4b17852da97b580a4753 [2022-07-14 02:43:01,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:43:01,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:43:01,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:43:01,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:43:01,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:43:01,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:43:01" (1/1) ... [2022-07-14 02:43:01,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47857ace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:01, skipping insertion in model container [2022-07-14 02:43:01,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:43:01" (1/1) ... [2022-07-14 02:43:01,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:43:01,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:43:03,624 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2022-07-14 02:43:03,627 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2022-07-14 02:43:03,628 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2022-07-14 02:43:03,628 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2022-07-14 02:43:03,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:43:03,689 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:43:03,938 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292221,292234] [2022-07-14 02:43:03,938 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292387,292400] [2022-07-14 02:43:03,938 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292551,292564] [2022-07-14 02:43:03,939 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-mutex_drivers-net-ethernet-icplus-ipg.cil.i[292716,292729] [2022-07-14 02:43:03,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:43:04,062 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:43:04,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04 WrapperNode [2022-07-14 02:43:04,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:43:04,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:43:04,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:43:04,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:43:04,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04" (1/1) ... [2022-07-14 02:43:04,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04" (1/1) ... [2022-07-14 02:43:04,277 INFO L137 Inliner]: procedures = 357, calls = 1560, calls flagged for inlining = 197, calls inlined = 186, statements flattened = 4359 [2022-07-14 02:43:04,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:43:04,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:43:04,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:43:04,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:43:04,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04" (1/1) ... [2022-07-14 02:43:04,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04" (1/1) ... [2022-07-14 02:43:04,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04" (1/1) ... [2022-07-14 02:43:04,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04" (1/1) ... [2022-07-14 02:43:04,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04" (1/1) ... [2022-07-14 02:43:04,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04" (1/1) ... [2022-07-14 02:43:04,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04" (1/1) ... [2022-07-14 02:43:04,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:43:04,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:43:04,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:43:04,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:43:04,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04" (1/1) ... [2022-07-14 02:43:04,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:43:04,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:43:04,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 02:43:04,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 02:43:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_txfree [2022-07-14 02:43:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_txfree [2022-07-14 02:43:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2022-07-14 02:43:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2022-07-14 02:43:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:43:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:43:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:43:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:43:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 02:43:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 02:43:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_timeout [2022-07-14 02:43:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_timeout [2022-07-14 02:43:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:43:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:43:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 02:43:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 02:43:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:43:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:43:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2022-07-14 02:43:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mii_mutex_of_ipg_nic_private [2022-07-14 02:43:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 02:43:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 02:43:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 02:43:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 02:43:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure init_tfdlist [2022-07-14 02:43:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tfdlist [2022-07-14 02:43:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 02:43:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 02:43:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 02:43:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 02:43:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-14 02:43:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-14 02:43:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_set_multicast_list [2022-07-14 02:43:04,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_set_multicast_list [2022-07-14 02:43:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-14 02:43:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-14 02:43:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 02:43:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 02:43:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 02:43:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 02:43:04,570 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 02:43:04,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 02:43:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:43:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:43:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_tx_clear [2022-07-14 02:43:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_tx_clear [2022-07-14 02:43:04,571 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_rx_clear [2022-07-14 02:43:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_rx_clear [2022-07-14 02:43:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2022-07-14 02:43:04,572 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2022-07-14 02:43:04,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:43:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 02:43:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 02:43:04,573 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-07-14 02:43:04,573 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-07-14 02:43:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:43:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 02:43:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 02:43:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 02:43:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 02:43:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-14 02:43:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-14 02:43:04,574 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:43:04,574 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:43:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:43:04,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:43:04,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 02:43:04,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 02:43:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_free_skb [2022-07-14 02:43:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_free_skb [2022-07-14 02:43:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 02:43:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 02:43:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure send_three_state [2022-07-14 02:43:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure send_three_state [2022-07-14 02:43:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:43:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:43:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 02:43:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 02:43:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_bit [2022-07-14 02:43:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_bit [2022-07-14 02:43:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 02:43:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 02:43:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_remove [2022-07-14 02:43:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_remove [2022-07-14 02:43:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:43:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:43:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 02:43:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 02:43:04,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 02:43:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 02:43:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 02:43:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-14 02:43:04,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-14 02:43:04,579 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 02:43:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 02:43:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_io_config [2022-07-14 02:43:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_io_config [2022-07-14 02:43:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure init_rfdlist [2022-07-14 02:43:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rfdlist [2022-07-14 02:43:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_open [2022-07-14 02:43:04,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_open [2022-07-14 02:43:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 02:43:04,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 02:43:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 02:43:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 02:43:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 02:43:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 02:43:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 02:43:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 02:43:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 02:43:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 02:43:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:43:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:43:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 02:43:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 02:43:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:43:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:43:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 02:43:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 02:43:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 02:43:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 02:43:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 02:43:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 02:43:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 02:43:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 02:43:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-14 02:43:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-14 02:43:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 02:43:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 02:43:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 02:43:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 02:43:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 02:43:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:43:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:43:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-14 02:43:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-14 02:43:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:43:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:43:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_get_stats [2022-07-14 02:43:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_get_stats [2022-07-14 02:43:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nway_reset [2022-07-14 02:43:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nway_reset [2022-07-14 02:43:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2022-07-14 02:43:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mii_mutex_of_ipg_nic_private [2022-07-14 02:43:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rxrestore [2022-07-14 02:43:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rxrestore [2022-07-14 02:43:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:43:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_stop [2022-07-14 02:43:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_stop [2022-07-14 02:43:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 02:43:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 02:43:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 02:43:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 02:43:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_config_autoneg [2022-07-14 02:43:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_config_autoneg [2022-07-14 02:43:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:43:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 02:43:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 02:43:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:43:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:43:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:43:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2022-07-14 02:43:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ipg_pci_driver_exit_13_2 [2022-07-14 02:43:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-14 02:43:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-14 02:43:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:43:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:43:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_ioaddr [2022-07-14 02:43:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_ioaddr [2022-07-14 02:43:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 02:43:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 02:43:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-14 02:43:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-14 02:43:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 02:43:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 02:43:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_reset [2022-07-14 02:43:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_reset [2022-07-14 02:43:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 02:43:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 02:43:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 02:43:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 02:43:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 02:43:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 02:43:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 02:43:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 02:43:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_get_rxbuff [2022-07-14 02:43:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_get_rxbuff [2022-07-14 02:43:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_write_phy_ctl [2022-07-14 02:43:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_write_phy_ctl [2022-07-14 02:43:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-14 02:43:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-14 02:43:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-14 02:43:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-14 02:43:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 02:43:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 02:43:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-14 02:43:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 02:43:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_nic_rx_check_error [2022-07-14 02:43:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_nic_rx_check_error [2022-07-14 02:43:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 02:43:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 02:43:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure ipg_drive_phy_ctl_low_high [2022-07-14 02:43:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ipg_drive_phy_ctl_low_high [2022-07-14 02:43:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-14 02:43:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-14 02:43:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:43:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:43:05,304 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:43:05,307 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:43:06,360 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:43:08,730 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 02:43:08,804 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:43:08,828 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:43:08,828 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 02:43:08,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:43:08 BoogieIcfgContainer [2022-07-14 02:43:08,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:43:08,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:43:08,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:43:08,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:43:08,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:43:01" (1/3) ... [2022-07-14 02:43:08,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437b4ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:43:08, skipping insertion in model container [2022-07-14 02:43:08,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:43:04" (2/3) ... [2022-07-14 02:43:08,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437b4ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:43:08, skipping insertion in model container [2022-07-14 02:43:08,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:43:08" (3/3) ... [2022-07-14 02:43:08,850 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-icplus-ipg.cil.i [2022-07-14 02:43:08,879 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:43:08,879 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 02:43:08,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:43:08,983 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@12ef56da, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3301add9 [2022-07-14 02:43:08,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 02:43:09,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 1828 states, 1290 states have (on average 1.34031007751938) internal successors, (1729), 1325 states have internal predecessors, (1729), 443 states have call successors, (443), 95 states have call predecessors, (443), 94 states have return successors, (437), 434 states have call predecessors, (437), 437 states have call successors, (437) [2022-07-14 02:43:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-14 02:43:09,016 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:09,016 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:09,017 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:09,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:09,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1218556504, now seen corresponding path program 1 times [2022-07-14 02:43:09,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:09,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433232337] [2022-07-14 02:43:09,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:09,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-14 02:43:09,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-14 02:43:09,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:09,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433232337] [2022-07-14 02:43:09,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433232337] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:09,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:09,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:43:09,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812845380] [2022-07-14 02:43:09,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:09,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:43:09,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:09,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:43:09,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:43:09,780 INFO L87 Difference]: Start difference. First operand has 1828 states, 1290 states have (on average 1.34031007751938) internal successors, (1729), 1325 states have internal predecessors, (1729), 443 states have call successors, (443), 95 states have call predecessors, (443), 94 states have return successors, (437), 434 states have call predecessors, (437), 437 states have call successors, (437) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-14 02:43:13,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:13,998 INFO L93 Difference]: Finished difference Result 5488 states and 8071 transitions. [2022-07-14 02:43:14,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:43:14,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2022-07-14 02:43:14,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:14,096 INFO L225 Difference]: With dead ends: 5488 [2022-07-14 02:43:14,096 INFO L226 Difference]: Without dead ends: 3671 [2022-07-14 02:43:14,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:43:14,119 INFO L413 NwaCegarLoop]: 2600 mSDtfsCounter, 3445 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 1385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3838 SdHoareTripleChecker+Valid, 4803 SdHoareTripleChecker+Invalid, 3478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1385 IncrementalHoareTripleChecker+Valid, 2093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:14,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3838 Valid, 4803 Invalid, 3478 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1385 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-14 02:43:14,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3671 states. [2022-07-14 02:43:14,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3671 to 3523. [2022-07-14 02:43:14,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3523 states, 2498 states have (on average 1.2598078462770217) internal successors, (3147), 2565 states have internal predecessors, (3147), 838 states have call successors, (838), 185 states have call predecessors, (838), 184 states have return successors, (834), 828 states have call predecessors, (834), 834 states have call successors, (834) [2022-07-14 02:43:14,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 4819 transitions. [2022-07-14 02:43:14,410 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 4819 transitions. Word has length 116 [2022-07-14 02:43:14,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:14,411 INFO L495 AbstractCegarLoop]: Abstraction has 3523 states and 4819 transitions. [2022-07-14 02:43:14,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-14 02:43:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 4819 transitions. [2022-07-14 02:43:14,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-14 02:43:14,416 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:14,417 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:14,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 02:43:14,417 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:14,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:14,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1007361032, now seen corresponding path program 1 times [2022-07-14 02:43:14,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:14,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875062776] [2022-07-14 02:43:14,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:14,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-07-14 02:43:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:14,674 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-14 02:43:14,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:14,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875062776] [2022-07-14 02:43:14,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875062776] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:14,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:14,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:43:14,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866227957] [2022-07-14 02:43:14,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:14,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:43:14,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:14,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:43:14,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:43:14,678 INFO L87 Difference]: Start difference. First operand 3523 states and 4819 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-14 02:43:18,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:18,457 INFO L93 Difference]: Finished difference Result 10503 states and 14429 transitions. [2022-07-14 02:43:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:43:18,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 117 [2022-07-14 02:43:18,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:18,506 INFO L225 Difference]: With dead ends: 10503 [2022-07-14 02:43:18,506 INFO L226 Difference]: Without dead ends: 7001 [2022-07-14 02:43:18,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:43:18,529 INFO L413 NwaCegarLoop]: 2565 mSDtfsCounter, 3274 mSDsluCounter, 2184 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 1379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3649 SdHoareTripleChecker+Valid, 4749 SdHoareTripleChecker+Invalid, 3455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1379 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:18,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3649 Valid, 4749 Invalid, 3455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1379 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-14 02:43:18,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7001 states. [2022-07-14 02:43:18,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7001 to 6692. [2022-07-14 02:43:18,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6692 states, 4729 states have (on average 1.2590399661662084) internal successors, (5954), 4859 states have internal predecessors, (5954), 1597 states have call successors, (1597), 366 states have call predecessors, (1597), 363 states have return successors, (1595), 1572 states have call predecessors, (1595), 1593 states have call successors, (1595) [2022-07-14 02:43:18,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6692 states to 6692 states and 9146 transitions. [2022-07-14 02:43:18,770 INFO L78 Accepts]: Start accepts. Automaton has 6692 states and 9146 transitions. Word has length 117 [2022-07-14 02:43:18,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:18,772 INFO L495 AbstractCegarLoop]: Abstraction has 6692 states and 9146 transitions. [2022-07-14 02:43:18,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-14 02:43:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 6692 states and 9146 transitions. [2022-07-14 02:43:18,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-14 02:43:18,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:18,776 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:18,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 02:43:18,777 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:18,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:18,777 INFO L85 PathProgramCache]: Analyzing trace with hash 874247055, now seen corresponding path program 1 times [2022-07-14 02:43:18,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:18,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453186919] [2022-07-14 02:43:18,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:18,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:18,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:18,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:18,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:18,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:18,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:19,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:19,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:19,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:19,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 02:43:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-14 02:43:19,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:19,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453186919] [2022-07-14 02:43:19,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453186919] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:19,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:19,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:43:19,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219522207] [2022-07-14 02:43:19,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:19,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:43:19,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:19,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:43:19,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:43:19,067 INFO L87 Difference]: Start difference. First operand 6692 states and 9146 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-14 02:43:22,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:22,005 INFO L93 Difference]: Finished difference Result 13423 states and 18434 transitions. [2022-07-14 02:43:22,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:43:22,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2022-07-14 02:43:22,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:22,041 INFO L225 Difference]: With dead ends: 13423 [2022-07-14 02:43:22,041 INFO L226 Difference]: Without dead ends: 6752 [2022-07-14 02:43:22,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:43:22,064 INFO L413 NwaCegarLoop]: 3049 mSDtfsCounter, 2594 mSDsluCounter, 2355 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 1070 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2914 SdHoareTripleChecker+Valid, 5404 SdHoareTripleChecker+Invalid, 3094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1070 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:22,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2914 Valid, 5404 Invalid, 3094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1070 Valid, 2024 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-14 02:43:22,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6752 states. [2022-07-14 02:43:22,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6752 to 6466. [2022-07-14 02:43:22,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6466 states, 4619 states have (on average 1.264126434293137) internal successors, (5839), 4745 states have internal predecessors, (5839), 1495 states have call successors, (1495), 353 states have call predecessors, (1495), 349 states have return successors, (1492), 1469 states have call predecessors, (1492), 1491 states have call successors, (1492) [2022-07-14 02:43:22,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6466 states to 6466 states and 8826 transitions. [2022-07-14 02:43:22,251 INFO L78 Accepts]: Start accepts. Automaton has 6466 states and 8826 transitions. Word has length 128 [2022-07-14 02:43:22,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:22,252 INFO L495 AbstractCegarLoop]: Abstraction has 6466 states and 8826 transitions. [2022-07-14 02:43:22,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-14 02:43:22,252 INFO L276 IsEmpty]: Start isEmpty. Operand 6466 states and 8826 transitions. [2022-07-14 02:43:22,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-14 02:43:22,255 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:22,256 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:22,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 02:43:22,256 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:22,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:22,256 INFO L85 PathProgramCache]: Analyzing trace with hash -503849637, now seen corresponding path program 1 times [2022-07-14 02:43:22,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:22,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598923412] [2022-07-14 02:43:22,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:22,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:43:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:43:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:43:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:43:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 02:43:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 02:43:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 02:43:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-07-14 02:43:22,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:22,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598923412] [2022-07-14 02:43:22,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598923412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:22,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:22,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:43:22,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685801559] [2022-07-14 02:43:22,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:22,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:43:22,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:22,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:43:22,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:43:22,496 INFO L87 Difference]: Start difference. First operand 6466 states and 8826 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 02:43:25,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:25,776 INFO L93 Difference]: Finished difference Result 17944 states and 24608 transitions. [2022-07-14 02:43:25,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:43:25,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 172 [2022-07-14 02:43:25,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:25,843 INFO L225 Difference]: With dead ends: 17944 [2022-07-14 02:43:25,843 INFO L226 Difference]: Without dead ends: 12330 [2022-07-14 02:43:25,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:43:25,868 INFO L413 NwaCegarLoop]: 3523 mSDtfsCounter, 3019 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 1191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3405 SdHoareTripleChecker+Valid, 6135 SdHoareTripleChecker+Invalid, 3270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1191 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:25,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3405 Valid, 6135 Invalid, 3270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1191 Valid, 2079 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-14 02:43:25,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12330 states. [2022-07-14 02:43:26,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12330 to 11821. [2022-07-14 02:43:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11821 states, 8455 states have (on average 1.2638675340035481) internal successors, (10686), 8677 states have internal predecessors, (10686), 2723 states have call successors, (2723), 645 states have call predecessors, (2723), 640 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-07-14 02:43:26,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11821 states to 11821 states and 16130 transitions. [2022-07-14 02:43:26,362 INFO L78 Accepts]: Start accepts. Automaton has 11821 states and 16130 transitions. Word has length 172 [2022-07-14 02:43:26,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:26,373 INFO L495 AbstractCegarLoop]: Abstraction has 11821 states and 16130 transitions. [2022-07-14 02:43:26,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 02:43:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 11821 states and 16130 transitions. [2022-07-14 02:43:26,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-14 02:43:26,377 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:26,378 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:26,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 02:43:26,378 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:26,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:26,379 INFO L85 PathProgramCache]: Analyzing trace with hash -363301027, now seen corresponding path program 1 times [2022-07-14 02:43:26,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:26,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827225123] [2022-07-14 02:43:26,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:26,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:43:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:43:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:43:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:43:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 02:43:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 02:43:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 02:43:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-07-14 02:43:26,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:26,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827225123] [2022-07-14 02:43:26,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827225123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:26,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:26,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:43:26,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204116827] [2022-07-14 02:43:26,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:26,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:43:26,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:26,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:43:26,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:43:26,730 INFO L87 Difference]: Start difference. First operand 11821 states and 16130 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-07-14 02:43:29,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:29,633 INFO L93 Difference]: Finished difference Result 12332 states and 16930 transitions. [2022-07-14 02:43:29,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:43:29,633 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 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 172 [2022-07-14 02:43:29,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:29,748 INFO L225 Difference]: With dead ends: 12332 [2022-07-14 02:43:29,748 INFO L226 Difference]: Without dead ends: 12330 [2022-07-14 02:43:29,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:43:29,755 INFO L413 NwaCegarLoop]: 2310 mSDtfsCounter, 2726 mSDsluCounter, 3529 mSDsCounter, 0 mSdLazyCounter, 2827 mSolverCounterSat, 962 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2961 SdHoareTripleChecker+Valid, 5839 SdHoareTripleChecker+Invalid, 3789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 962 IncrementalHoareTripleChecker+Valid, 2827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:29,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2961 Valid, 5839 Invalid, 3789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [962 Valid, 2827 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 02:43:29,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12330 states. [2022-07-14 02:43:30,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12330 to 11825. [2022-07-14 02:43:30,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11825 states, 8458 states have (on average 1.2637739418302198) internal successors, (10689), 8680 states have internal predecessors, (10689), 2723 states have call successors, (2723), 646 states have call predecessors, (2723), 641 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-07-14 02:43:30,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11825 states to 11825 states and 16133 transitions. [2022-07-14 02:43:30,123 INFO L78 Accepts]: Start accepts. Automaton has 11825 states and 16133 transitions. Word has length 172 [2022-07-14 02:43:30,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:30,124 INFO L495 AbstractCegarLoop]: Abstraction has 11825 states and 16133 transitions. [2022-07-14 02:43:30,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-07-14 02:43:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 11825 states and 16133 transitions. [2022-07-14 02:43:30,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-14 02:43:30,128 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:30,128 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:30,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 02:43:30,129 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:30,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:30,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1410975244, now seen corresponding path program 1 times [2022-07-14 02:43:30,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:30,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616754280] [2022-07-14 02:43:30,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:30,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:43:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:43:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:43:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:43:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 02:43:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 02:43:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 02:43:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:43:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-07-14 02:43:30,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:30,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616754280] [2022-07-14 02:43:30,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616754280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:30,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:30,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:43:30,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062419307] [2022-07-14 02:43:30,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:30,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:43:30,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:30,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:43:30,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:43:30,394 INFO L87 Difference]: Start difference. First operand 11825 states and 16133 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 02:43:32,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:32,565 INFO L93 Difference]: Finished difference Result 12336 states and 16933 transitions. [2022-07-14 02:43:32,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:43:32,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 177 [2022-07-14 02:43:32,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:32,602 INFO L225 Difference]: With dead ends: 12336 [2022-07-14 02:43:32,602 INFO L226 Difference]: Without dead ends: 12334 [2022-07-14 02:43:32,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:43:32,609 INFO L413 NwaCegarLoop]: 2306 mSDtfsCounter, 2724 mSDsluCounter, 3514 mSDsCounter, 0 mSdLazyCounter, 2824 mSolverCounterSat, 962 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2960 SdHoareTripleChecker+Valid, 5820 SdHoareTripleChecker+Invalid, 3786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 962 IncrementalHoareTripleChecker+Valid, 2824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:32,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2960 Valid, 5820 Invalid, 3786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [962 Valid, 2824 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-14 02:43:32,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12334 states. [2022-07-14 02:43:32,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12334 to 11829. [2022-07-14 02:43:32,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11829 states, 8461 states have (on average 1.2636804160264745) internal successors, (10692), 8683 states have internal predecessors, (10692), 2723 states have call successors, (2723), 647 states have call predecessors, (2723), 642 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-07-14 02:43:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11829 states to 11829 states and 16136 transitions. [2022-07-14 02:43:32,925 INFO L78 Accepts]: Start accepts. Automaton has 11829 states and 16136 transitions. Word has length 177 [2022-07-14 02:43:32,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:32,926 INFO L495 AbstractCegarLoop]: Abstraction has 11829 states and 16136 transitions. [2022-07-14 02:43:32,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 02:43:32,927 INFO L276 IsEmpty]: Start isEmpty. Operand 11829 states and 16136 transitions. [2022-07-14 02:43:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-14 02:43:32,931 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:32,931 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:32,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 02:43:32,931 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:32,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:32,932 INFO L85 PathProgramCache]: Analyzing trace with hash 532046973, now seen corresponding path program 1 times [2022-07-14 02:43:32,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:32,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132469123] [2022-07-14 02:43:32,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:32,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:43:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:43:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:43:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:43:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 02:43:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 02:43:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 02:43:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:43:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 02:43:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:33,185 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-07-14 02:43:33,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:33,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132469123] [2022-07-14 02:43:33,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132469123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:33,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:33,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:43:33,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638856631] [2022-07-14 02:43:33,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:33,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:43:33,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:33,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:43:33,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:43:33,187 INFO L87 Difference]: Start difference. First operand 11829 states and 16136 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-14 02:43:35,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:35,492 INFO L93 Difference]: Finished difference Result 12340 states and 16936 transitions. [2022-07-14 02:43:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 02:43:35,492 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 182 [2022-07-14 02:43:35,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:35,554 INFO L225 Difference]: With dead ends: 12340 [2022-07-14 02:43:35,554 INFO L226 Difference]: Without dead ends: 12336 [2022-07-14 02:43:35,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:43:35,563 INFO L413 NwaCegarLoop]: 2308 mSDtfsCounter, 2703 mSDsluCounter, 3530 mSDsCounter, 0 mSdLazyCounter, 2841 mSolverCounterSat, 962 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2930 SdHoareTripleChecker+Valid, 5838 SdHoareTripleChecker+Invalid, 3803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 962 IncrementalHoareTripleChecker+Valid, 2841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:35,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2930 Valid, 5838 Invalid, 3803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [962 Valid, 2841 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-14 02:43:35,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12336 states. [2022-07-14 02:43:35,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12336 to 11831. [2022-07-14 02:43:35,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11831 states, 8463 states have (on average 1.2634999409192957) internal successors, (10693), 8684 states have internal predecessors, (10693), 2723 states have call successors, (2723), 648 states have call predecessors, (2723), 642 states have return successors, (2721), 2688 states have call predecessors, (2721), 2719 states have call successors, (2721) [2022-07-14 02:43:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11831 states to 11831 states and 16137 transitions. [2022-07-14 02:43:35,876 INFO L78 Accepts]: Start accepts. Automaton has 11831 states and 16137 transitions. Word has length 182 [2022-07-14 02:43:35,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:35,877 INFO L495 AbstractCegarLoop]: Abstraction has 11831 states and 16137 transitions. [2022-07-14 02:43:35,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-14 02:43:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 11831 states and 16137 transitions. [2022-07-14 02:43:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-14 02:43:35,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:35,882 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:35,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 02:43:35,883 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:35,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:35,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1807926164, now seen corresponding path program 1 times [2022-07-14 02:43:35,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:35,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390785178] [2022-07-14 02:43:35,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:35,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:43:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:43:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:43:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 02:43:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 02:43:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-14 02:43:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 02:43:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 02:43:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 02:43:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 02:43:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:36,398 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-07-14 02:43:36,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:36,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390785178] [2022-07-14 02:43:36,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390785178] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:36,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:36,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:43:36,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167571546] [2022-07-14 02:43:36,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:36,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:43:36,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:36,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:43:36,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:43:36,401 INFO L87 Difference]: Start difference. First operand 11831 states and 16137 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 02:43:38,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:38,671 INFO L93 Difference]: Finished difference Result 12336 states and 16932 transitions. [2022-07-14 02:43:38,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:43:38,672 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 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 187 [2022-07-14 02:43:38,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:38,739 INFO L225 Difference]: With dead ends: 12336 [2022-07-14 02:43:38,739 INFO L226 Difference]: Without dead ends: 12265 [2022-07-14 02:43:38,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 02:43:38,748 INFO L413 NwaCegarLoop]: 2309 mSDtfsCounter, 2712 mSDsluCounter, 3526 mSDsCounter, 0 mSdLazyCounter, 2822 mSolverCounterSat, 959 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2948 SdHoareTripleChecker+Valid, 5835 SdHoareTripleChecker+Invalid, 3781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 959 IncrementalHoareTripleChecker+Valid, 2822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:38,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2948 Valid, 5835 Invalid, 3781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [959 Valid, 2822 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-14 02:43:38,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12265 states. [2022-07-14 02:43:39,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12265 to 11760. [2022-07-14 02:43:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11760 states, 8429 states have (on average 1.2631391624154704) internal successors, (10647), 8638 states have internal predecessors, (10647), 2692 states have call successors, (2692), 639 states have call predecessors, (2692), 637 states have return successors, (2694), 2672 states have call predecessors, (2694), 2692 states have call successors, (2694) [2022-07-14 02:43:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11760 states to 11760 states and 16033 transitions. [2022-07-14 02:43:39,118 INFO L78 Accepts]: Start accepts. Automaton has 11760 states and 16033 transitions. Word has length 187 [2022-07-14 02:43:39,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:39,119 INFO L495 AbstractCegarLoop]: Abstraction has 11760 states and 16033 transitions. [2022-07-14 02:43:39,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 02:43:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 11760 states and 16033 transitions. [2022-07-14 02:43:39,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-07-14 02:43:39,124 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:39,125 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:39,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 02:43:39,125 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:39,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:39,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1221266900, now seen corresponding path program 1 times [2022-07-14 02:43:39,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:39,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322479639] [2022-07-14 02:43:39,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:39,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:43:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:43:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:43:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:43:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:43:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:43:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:43:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-14 02:43:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-07-14 02:43:39,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:39,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322479639] [2022-07-14 02:43:39,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322479639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:39,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:39,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:43:39,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837969492] [2022-07-14 02:43:39,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:39,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:43:39,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:39,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:43:39,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:43:39,312 INFO L87 Difference]: Start difference. First operand 11760 states and 16033 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 02:43:42,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:42,037 INFO L93 Difference]: Finished difference Result 27651 states and 37876 transitions. [2022-07-14 02:43:42,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:43:42,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 192 [2022-07-14 02:43:42,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:42,192 INFO L225 Difference]: With dead ends: 27651 [2022-07-14 02:43:42,207 INFO L226 Difference]: Without dead ends: 16743 [2022-07-14 02:43:42,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:43:42,251 INFO L413 NwaCegarLoop]: 3889 mSDtfsCounter, 2170 mSDsluCounter, 2699 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 866 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2485 SdHoareTripleChecker+Valid, 6588 SdHoareTripleChecker+Invalid, 2855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 866 IncrementalHoareTripleChecker+Valid, 1989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:42,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2485 Valid, 6588 Invalid, 2855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [866 Valid, 1989 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-14 02:43:42,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16743 states. [2022-07-14 02:43:43,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16743 to 16044. [2022-07-14 02:43:43,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16044 states, 11537 states have (on average 1.2643668197971742) internal successors, (14587), 11818 states have internal predecessors, (14587), 3636 states have call successors, (3636), 871 states have call predecessors, (3636), 869 states have return successors, (3638), 3614 states have call predecessors, (3638), 3636 states have call successors, (3638) [2022-07-14 02:43:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16044 states to 16044 states and 21861 transitions. [2022-07-14 02:43:43,480 INFO L78 Accepts]: Start accepts. Automaton has 16044 states and 21861 transitions. Word has length 192 [2022-07-14 02:43:43,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:43,480 INFO L495 AbstractCegarLoop]: Abstraction has 16044 states and 21861 transitions. [2022-07-14 02:43:43,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 02:43:43,481 INFO L276 IsEmpty]: Start isEmpty. Operand 16044 states and 21861 transitions. [2022-07-14 02:43:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-14 02:43:43,511 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:43,511 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:43,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 02:43:43,511 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:43,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:43,512 INFO L85 PathProgramCache]: Analyzing trace with hash -229194647, now seen corresponding path program 1 times [2022-07-14 02:43:43,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:43,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009892937] [2022-07-14 02:43:43,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:43,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:43:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:43:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:43:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:43:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:43:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:43:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:43:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:43:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:43:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:43:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:43:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:43:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-14 02:43:43,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:43,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009892937] [2022-07-14 02:43:43,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009892937] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:43,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:43,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:43:43,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547183055] [2022-07-14 02:43:43,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:43,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:43:43,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:43,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:43:43,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:43:43,884 INFO L87 Difference]: Start difference. First operand 16044 states and 21861 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 02:43:46,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:46,772 INFO L93 Difference]: Finished difference Result 36375 states and 49760 transitions. [2022-07-14 02:43:46,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:43:46,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 266 [2022-07-14 02:43:46,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:46,957 INFO L225 Difference]: With dead ends: 36375 [2022-07-14 02:43:46,957 INFO L226 Difference]: Without dead ends: 21183 [2022-07-14 02:43:47,002 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 [2022-07-14 02:43:47,003 INFO L413 NwaCegarLoop]: 3906 mSDtfsCounter, 2166 mSDsluCounter, 2720 mSDsCounter, 0 mSdLazyCounter, 1978 mSolverCounterSat, 855 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2480 SdHoareTripleChecker+Valid, 6626 SdHoareTripleChecker+Invalid, 2833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 855 IncrementalHoareTripleChecker+Valid, 1978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:47,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2480 Valid, 6626 Invalid, 2833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [855 Valid, 1978 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-14 02:43:47,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21183 states. [2022-07-14 02:43:47,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21183 to 20296. [2022-07-14 02:43:47,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20296 states, 14625 states have (on average 1.2654358974358975) internal successors, (18507), 14978 states have internal predecessors, (18507), 4568 states have call successors, (4568), 1103 states have call predecessors, (4568), 1101 states have return successors, (4570), 4544 states have call predecessors, (4570), 4568 states have call successors, (4570) [2022-07-14 02:43:47,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20296 states to 20296 states and 27645 transitions. [2022-07-14 02:43:47,659 INFO L78 Accepts]: Start accepts. Automaton has 20296 states and 27645 transitions. Word has length 266 [2022-07-14 02:43:47,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:47,660 INFO L495 AbstractCegarLoop]: Abstraction has 20296 states and 27645 transitions. [2022-07-14 02:43:47,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 02:43:47,660 INFO L276 IsEmpty]: Start isEmpty. Operand 20296 states and 27645 transitions. [2022-07-14 02:43:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-14 02:43:47,675 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:47,675 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:47,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 02:43:47,675 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:47,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:47,676 INFO L85 PathProgramCache]: Analyzing trace with hash 430336875, now seen corresponding path program 1 times [2022-07-14 02:43:47,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:47,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205399047] [2022-07-14 02:43:47,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:47,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:43:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:43:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:43:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:43:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:43:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:43:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:43:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:43:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:43:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:43:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:43:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:43:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-14 02:43:47,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:47,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205399047] [2022-07-14 02:43:47,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205399047] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:47,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:47,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:43:47,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430803955] [2022-07-14 02:43:47,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:47,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:43:47,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:47,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:43:47,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:43:47,963 INFO L87 Difference]: Start difference. First operand 20296 states and 27645 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 02:43:51,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:51,177 INFO L93 Difference]: Finished difference Result 45543 states and 62252 transitions. [2022-07-14 02:43:51,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:43:51,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 266 [2022-07-14 02:43:51,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:51,484 INFO L225 Difference]: With dead ends: 45543 [2022-07-14 02:43:51,485 INFO L226 Difference]: Without dead ends: 26099 [2022-07-14 02:43:51,551 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 [2022-07-14 02:43:51,569 INFO L413 NwaCegarLoop]: 3905 mSDtfsCounter, 2517 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 904 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2878 SdHoareTripleChecker+Valid, 6354 SdHoareTripleChecker+Invalid, 2770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 904 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:51,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2878 Valid, 6354 Invalid, 2770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [904 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 02:43:51,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26099 states. [2022-07-14 02:43:52,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26099 to 24952. [2022-07-14 02:43:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24952 states, 18003 states have (on average 1.2651780258845748) internal successors, (22777), 18432 states have internal predecessors, (22777), 5584 states have call successors, (5584), 1365 states have call predecessors, (5584), 1363 states have return successors, (5586), 5558 states have call predecessors, (5586), 5584 states have call successors, (5586) [2022-07-14 02:43:52,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24952 states to 24952 states and 33947 transitions. [2022-07-14 02:43:52,822 INFO L78 Accepts]: Start accepts. Automaton has 24952 states and 33947 transitions. Word has length 266 [2022-07-14 02:43:52,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:52,823 INFO L495 AbstractCegarLoop]: Abstraction has 24952 states and 33947 transitions. [2022-07-14 02:43:52,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 02:43:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 24952 states and 33947 transitions. [2022-07-14 02:43:52,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-07-14 02:43:52,847 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:52,847 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:52,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 02:43:52,848 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:52,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:52,848 INFO L85 PathProgramCache]: Analyzing trace with hash -2066419215, now seen corresponding path program 1 times [2022-07-14 02:43:52,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:52,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117629567] [2022-07-14 02:43:52,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:52,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:52,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:52,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:52,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:52,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:52,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:43:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:43:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:43:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:43:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:43:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:43:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:43:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:43:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:43:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:43:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:43:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:43:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 02:43:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:43:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 02:43:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-14 02:43:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:53,270 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2022-07-14 02:43:53,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:53,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117629567] [2022-07-14 02:43:53,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117629567] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:53,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:53,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:43:53,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818353035] [2022-07-14 02:43:53,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:53,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:43:53,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:53,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:43:53,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:43:53,273 INFO L87 Difference]: Start difference. First operand 24952 states and 33947 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 02:43:56,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:43:56,567 INFO L93 Difference]: Finished difference Result 54631 states and 74614 transitions. [2022-07-14 02:43:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:43:56,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 321 [2022-07-14 02:43:56,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:43:56,724 INFO L225 Difference]: With dead ends: 54631 [2022-07-14 02:43:56,724 INFO L226 Difference]: Without dead ends: 30531 [2022-07-14 02:43:56,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:43:56,806 INFO L413 NwaCegarLoop]: 3775 mSDtfsCounter, 2166 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 1980 mSolverCounterSat, 879 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2481 SdHoareTripleChecker+Valid, 6392 SdHoareTripleChecker+Invalid, 2859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 879 IncrementalHoareTripleChecker+Valid, 1980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:43:56,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2481 Valid, 6392 Invalid, 2859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [879 Valid, 1980 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 02:43:56,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30531 states. [2022-07-14 02:43:58,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30531 to 29196. [2022-07-14 02:43:58,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29196 states, 21087 states have (on average 1.2658509982453645) internal successors, (26693), 21588 states have internal predecessors, (26693), 6516 states have call successors, (6516), 1593 states have call predecessors, (6516), 1591 states have return successors, (6518), 6488 states have call predecessors, (6518), 6516 states have call successors, (6518) [2022-07-14 02:43:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29196 states to 29196 states and 39727 transitions. [2022-07-14 02:43:58,214 INFO L78 Accepts]: Start accepts. Automaton has 29196 states and 39727 transitions. Word has length 321 [2022-07-14 02:43:58,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:43:58,215 INFO L495 AbstractCegarLoop]: Abstraction has 29196 states and 39727 transitions. [2022-07-14 02:43:58,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 02:43:58,215 INFO L276 IsEmpty]: Start isEmpty. Operand 29196 states and 39727 transitions. [2022-07-14 02:43:58,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-07-14 02:43:58,240 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:43:58,240 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:43:58,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-14 02:43:58,241 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:43:58,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:43:58,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1406887693, now seen corresponding path program 1 times [2022-07-14 02:43:58,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:43:58,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532072126] [2022-07-14 02:43:58,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:43:58,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:43:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:43:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:43:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:43:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:43:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:43:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:43:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:43:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:43:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:43:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:43:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:43:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:43:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:43:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:43:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:43:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:43:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:43:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:43:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:43:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:43:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:43:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:43:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:43:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 02:43:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:43:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:43:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 02:43:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-14 02:43:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:43:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 751 trivial. 0 not checked. [2022-07-14 02:43:58,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:43:58,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532072126] [2022-07-14 02:43:58,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532072126] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:43:58,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:43:58,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:43:58,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215352492] [2022-07-14 02:43:58,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:43:58,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:43:58,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:43:58,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:43:58,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:43:58,548 INFO L87 Difference]: Start difference. First operand 29196 states and 39727 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 02:44:02,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:44:02,601 INFO L93 Difference]: Finished difference Result 63355 states and 86522 transitions. [2022-07-14 02:44:02,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:44:02,602 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 321 [2022-07-14 02:44:02,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:44:02,730 INFO L225 Difference]: With dead ends: 63355 [2022-07-14 02:44:02,730 INFO L226 Difference]: Without dead ends: 35011 [2022-07-14 02:44:02,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:44:02,794 INFO L413 NwaCegarLoop]: 3903 mSDtfsCounter, 2187 mSDsluCounter, 2721 mSDsCounter, 0 mSdLazyCounter, 1983 mSolverCounterSat, 858 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2501 SdHoareTripleChecker+Valid, 6624 SdHoareTripleChecker+Invalid, 2841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 858 IncrementalHoareTripleChecker+Valid, 1983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:44:02,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2501 Valid, 6624 Invalid, 2841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [858 Valid, 1983 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-14 02:44:02,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35011 states. [2022-07-14 02:44:03,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35011 to 33488. [2022-07-14 02:44:03,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33488 states, 24211 states have (on average 1.2662426169922762) internal successors, (30657), 24784 states have internal predecessors, (30657), 7452 states have call successors, (7452), 1825 states have call predecessors, (7452), 1823 states have return successors, (7454), 7422 states have call predecessors, (7454), 7452 states have call successors, (7454) [2022-07-14 02:44:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33488 states to 33488 states and 45563 transitions. [2022-07-14 02:44:03,984 INFO L78 Accepts]: Start accepts. Automaton has 33488 states and 45563 transitions. Word has length 321 [2022-07-14 02:44:03,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:44:03,987 INFO L495 AbstractCegarLoop]: Abstraction has 33488 states and 45563 transitions. [2022-07-14 02:44:03,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 02:44:03,987 INFO L276 IsEmpty]: Start isEmpty. Operand 33488 states and 45563 transitions. [2022-07-14 02:44:04,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-07-14 02:44:04,014 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:44:04,015 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:44:04,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-14 02:44:04,015 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:44:04,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:44:04,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1177003373, now seen corresponding path program 1 times [2022-07-14 02:44:04,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:44:04,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089196800] [2022-07-14 02:44:04,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:44:04,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:44:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:44:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:44:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:44:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:44:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:44:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:44:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:44:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:44:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:44:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:44:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:44:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:44:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:44:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:44:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:44:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:44:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:44:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:44:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:44:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:44:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:44:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 02:44:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:44:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 02:44:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-14 02:44:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-14 02:44:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 02:44:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 02:44:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:04,400 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-07-14 02:44:04,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:44:04,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089196800] [2022-07-14 02:44:04,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089196800] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:44:04,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:44:04,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:44:04,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766071874] [2022-07-14 02:44:04,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:44:04,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:44:04,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:44:04,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:44:04,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:44:04,403 INFO L87 Difference]: Start difference. First operand 33488 states and 45563 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:44:09,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:44:09,988 INFO L93 Difference]: Finished difference Result 72471 states and 98898 transitions. [2022-07-14 02:44:09,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:44:09,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 362 [2022-07-14 02:44:09,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:44:10,161 INFO L225 Difference]: With dead ends: 72471 [2022-07-14 02:44:10,161 INFO L226 Difference]: Without dead ends: 39835 [2022-07-14 02:44:10,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:44:10,262 INFO L413 NwaCegarLoop]: 3861 mSDtfsCounter, 2276 mSDsluCounter, 6857 mSDsCounter, 0 mSdLazyCounter, 6168 mSolverCounterSat, 905 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2590 SdHoareTripleChecker+Valid, 10718 SdHoareTripleChecker+Invalid, 7073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 905 IncrementalHoareTripleChecker+Valid, 6168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:44:10,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2590 Valid, 10718 Invalid, 7073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [905 Valid, 6168 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-14 02:44:10,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39835 states. [2022-07-14 02:44:11,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39835 to 38078. [2022-07-14 02:44:11,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38078 states, 27509 states have (on average 1.2658766221963722) internal successors, (34823), 28162 states have internal predecessors, (34823), 8478 states have call successors, (8478), 2089 states have call predecessors, (8478), 2089 states have return successors, (8484), 8448 states have call predecessors, (8484), 8478 states have call successors, (8484) [2022-07-14 02:44:11,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38078 states to 38078 states and 51785 transitions. [2022-07-14 02:44:11,729 INFO L78 Accepts]: Start accepts. Automaton has 38078 states and 51785 transitions. Word has length 362 [2022-07-14 02:44:11,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:44:11,730 INFO L495 AbstractCegarLoop]: Abstraction has 38078 states and 51785 transitions. [2022-07-14 02:44:11,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 4 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:44:11,730 INFO L276 IsEmpty]: Start isEmpty. Operand 38078 states and 51785 transitions. [2022-07-14 02:44:11,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-14 02:44:11,775 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:44:11,775 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:44:11,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-14 02:44:11,776 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:44:11,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:44:11,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1575457600, now seen corresponding path program 1 times [2022-07-14 02:44:11,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:44:11,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796354656] [2022-07-14 02:44:11,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:44:11,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:44:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:44:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:44:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:44:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:44:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:44:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:44:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:44:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:44:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:44:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:44:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:44:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:44:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:44:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:44:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:44:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:44:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:44:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:44:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:44:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:44:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:44:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 02:44:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:44:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 02:44:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-14 02:44:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-14 02:44:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-14 02:44:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-14 02:44:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-07-14 02:44:12,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:44:12,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796354656] [2022-07-14 02:44:12,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796354656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:44:12,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:44:12,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:44:12,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6191994] [2022-07-14 02:44:12,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:44:12,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:44:12,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:44:12,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:44:12,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:44:12,666 INFO L87 Difference]: Start difference. First operand 38078 states and 51785 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:44:18,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:44:18,215 INFO L93 Difference]: Finished difference Result 81541 states and 111252 transitions. [2022-07-14 02:44:18,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:44:18,216 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), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 363 [2022-07-14 02:44:18,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:44:18,384 INFO L225 Difference]: With dead ends: 81541 [2022-07-14 02:44:18,385 INFO L226 Difference]: Without dead ends: 44315 [2022-07-14 02:44:18,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:44:18,471 INFO L413 NwaCegarLoop]: 3910 mSDtfsCounter, 2178 mSDsluCounter, 7009 mSDsCounter, 0 mSdLazyCounter, 6148 mSolverCounterSat, 853 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2493 SdHoareTripleChecker+Valid, 10919 SdHoareTripleChecker+Invalid, 7001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 853 IncrementalHoareTripleChecker+Valid, 6148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:44:18,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2493 Valid, 10919 Invalid, 7001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [853 Valid, 6148 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-14 02:44:18,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44315 states. [2022-07-14 02:44:19,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44315 to 42370. [2022-07-14 02:44:19,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42370 states, 30617 states have (on average 1.2660613384720907) internal successors, (38763), 31342 states have internal predecessors, (38763), 9418 states have call successors, (9418), 2329 states have call predecessors, (9418), 2333 states have return successors, (9428), 9390 states have call predecessors, (9428), 9418 states have call successors, (9428) [2022-07-14 02:44:20,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42370 states to 42370 states and 57609 transitions. [2022-07-14 02:44:20,088 INFO L78 Accepts]: Start accepts. Automaton has 42370 states and 57609 transitions. Word has length 363 [2022-07-14 02:44:20,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:44:20,089 INFO L495 AbstractCegarLoop]: Abstraction has 42370 states and 57609 transitions. [2022-07-14 02:44:20,089 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), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:44:20,090 INFO L276 IsEmpty]: Start isEmpty. Operand 42370 states and 57609 transitions. [2022-07-14 02:44:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-14 02:44:20,112 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:44:20,113 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:44:20,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-14 02:44:20,113 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:44:20,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:44:20,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1306471600, now seen corresponding path program 1 times [2022-07-14 02:44:20,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:44:20,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86753928] [2022-07-14 02:44:20,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:44:20,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:44:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:44:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:44:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:44:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:44:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:44:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:44:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:44:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:44:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:44:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:44:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:44:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:44:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:44:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:44:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:44:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:44:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:44:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:44:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:44:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:44:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:44:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 02:44:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:44:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 02:44:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-14 02:44:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-14 02:44:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-14 02:44:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-14 02:44:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 934 trivial. 0 not checked. [2022-07-14 02:44:20,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:44:20,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86753928] [2022-07-14 02:44:20,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86753928] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:44:20,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:44:20,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:44:20,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059988061] [2022-07-14 02:44:20,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:44:20,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:44:20,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:44:20,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:44:20,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:44:20,393 INFO L87 Difference]: Start difference. First operand 42370 states and 57609 transitions. Second operand has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:44:25,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:44:25,976 INFO L93 Difference]: Finished difference Result 90257 states and 123144 transitions. [2022-07-14 02:44:25,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 02:44:25,976 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 364 [2022-07-14 02:44:25,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:44:26,182 INFO L225 Difference]: With dead ends: 90257 [2022-07-14 02:44:26,184 INFO L226 Difference]: Without dead ends: 48739 [2022-07-14 02:44:26,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:44:26,293 INFO L413 NwaCegarLoop]: 3906 mSDtfsCounter, 2166 mSDsluCounter, 7015 mSDsCounter, 0 mSdLazyCounter, 6147 mSolverCounterSat, 852 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2478 SdHoareTripleChecker+Valid, 10921 SdHoareTripleChecker+Invalid, 6999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 852 IncrementalHoareTripleChecker+Valid, 6147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-14 02:44:26,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2478 Valid, 10921 Invalid, 6999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [852 Valid, 6147 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-14 02:44:26,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48739 states. [2022-07-14 02:44:27,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48739 to 46606. [2022-07-14 02:44:27,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46606 states, 33693 states have (on average 1.2664648443296826) internal successors, (42671), 34490 states have internal predecessors, (42671), 10350 states have call successors, (10350), 2557 states have call predecessors, (10350), 2561 states have return successors, (10360), 10320 states have call predecessors, (10360), 10350 states have call successors, (10360) [2022-07-14 02:44:27,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46606 states to 46606 states and 63381 transitions. [2022-07-14 02:44:27,940 INFO L78 Accepts]: Start accepts. Automaton has 46606 states and 63381 transitions. Word has length 364 [2022-07-14 02:44:27,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:44:27,940 INFO L495 AbstractCegarLoop]: Abstraction has 46606 states and 63381 transitions. [2022-07-14 02:44:27,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 3 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:44:27,941 INFO L276 IsEmpty]: Start isEmpty. Operand 46606 states and 63381 transitions. [2022-07-14 02:44:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-07-14 02:44:27,968 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:44:27,968 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 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] [2022-07-14 02:44:27,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-14 02:44:27,969 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:44:27,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:44:27,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1081458507, now seen corresponding path program 1 times [2022-07-14 02:44:27,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:44:27,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403008890] [2022-07-14 02:44:27,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:44:27,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:44:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:44:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:44:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:44:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:44:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:44:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:44:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:44:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:44:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:44:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:44:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:44:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:44:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:44:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:44:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:44:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:44:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:44:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:44:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:44:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:44:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:44:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 02:44:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:44:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 02:44:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-14 02:44:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-14 02:44:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 02:44:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 02:44:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-14 02:44:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:28,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-07-14 02:44:28,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:44:28,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403008890] [2022-07-14 02:44:28,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403008890] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:44:28,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:44:28,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:44:28,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517918623] [2022-07-14 02:44:28,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:44:28,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:44:28,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:44:28,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:44:28,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:44:28,378 INFO L87 Difference]: Start difference. First operand 46606 states and 63381 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:44:32,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:44:32,193 INFO L93 Difference]: Finished difference Result 99075 states and 135154 transitions. [2022-07-14 02:44:32,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:44:32,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 379 [2022-07-14 02:44:32,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:44:32,416 INFO L225 Difference]: With dead ends: 99075 [2022-07-14 02:44:32,416 INFO L226 Difference]: Without dead ends: 53321 [2022-07-14 02:44:32,639 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 [2022-07-14 02:44:32,640 INFO L413 NwaCegarLoop]: 3939 mSDtfsCounter, 2201 mSDsluCounter, 2717 mSDsCounter, 0 mSdLazyCounter, 1978 mSolverCounterSat, 868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 6656 SdHoareTripleChecker+Invalid, 2846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 868 IncrementalHoareTripleChecker+Valid, 1978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:44:32,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 6656 Invalid, 2846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [868 Valid, 1978 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-14 02:44:32,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53321 states. [2022-07-14 02:44:34,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53321 to 51008. [2022-07-14 02:44:34,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51008 states, 36863 states have (on average 1.2666630496704012) internal successors, (46693), 37740 states have internal predecessors, (46693), 11336 states have call successors, (11336), 2803 states have call predecessors, (11336), 2807 states have return successors, (11346), 11304 states have call predecessors, (11346), 11336 states have call successors, (11346) [2022-07-14 02:44:34,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51008 states to 51008 states and 69375 transitions. [2022-07-14 02:44:34,564 INFO L78 Accepts]: Start accepts. Automaton has 51008 states and 69375 transitions. Word has length 379 [2022-07-14 02:44:34,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:44:34,565 INFO L495 AbstractCegarLoop]: Abstraction has 51008 states and 69375 transitions. [2022-07-14 02:44:34,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:44:34,566 INFO L276 IsEmpty]: Start isEmpty. Operand 51008 states and 69375 transitions. [2022-07-14 02:44:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-07-14 02:44:34,595 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:44:34,595 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2022-07-14 02:44:34,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-14 02:44:34,596 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:44:34,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:44:34,596 INFO L85 PathProgramCache]: Analyzing trace with hash 768055372, now seen corresponding path program 1 times [2022-07-14 02:44:34,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:44:34,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832823223] [2022-07-14 02:44:34,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:44:34,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:44:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:44:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:44:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:44:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:44:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:44:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:44:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:44:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:44:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:44:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:44:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:44:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:44:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:44:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:44:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:44:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:44:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:44:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:44:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:44:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:44:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:44:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 02:44:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:44:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 02:44:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-14 02:44:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-14 02:44:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-14 02:44:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 02:44:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-14 02:44:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:34,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 51 proven. 15 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2022-07-14 02:44:34,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:44:34,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832823223] [2022-07-14 02:44:34,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832823223] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 02:44:34,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232550991] [2022-07-14 02:44:34,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:44:34,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 02:44:34,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:44:34,854 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) [2022-07-14 02:44:34,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-14 02:44:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:35,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 2689 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:44:35,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:44:35,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-14 02:44:35,831 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:44:35,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232550991] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:44:35,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 02:44:35,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-07-14 02:44:35,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269664367] [2022-07-14 02:44:35,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:44:35,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:44:35,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:44:35,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:44:35,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:44:35,834 INFO L87 Difference]: Start difference. First operand 51008 states and 69375 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:44:37,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:44:37,699 INFO L93 Difference]: Finished difference Result 105474 states and 143501 transitions. [2022-07-14 02:44:37,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:44:37,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 386 [2022-07-14 02:44:37,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:44:37,934 INFO L225 Difference]: With dead ends: 105474 [2022-07-14 02:44:37,935 INFO L226 Difference]: Without dead ends: 55318 [2022-07-14 02:44:38,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:44:38,078 INFO L413 NwaCegarLoop]: 3028 mSDtfsCounter, 2213 mSDsluCounter, 1940 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 4968 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:44:38,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2213 Valid, 4968 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 02:44:38,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55318 states. [2022-07-14 02:44:39,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55318 to 55312. [2022-07-14 02:44:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55312 states, 39999 states have (on average 1.267556688917223) internal successors, (50701), 40948 states have internal predecessors, (50701), 12272 states have call successors, (12272), 3035 states have call predecessors, (12272), 3039 states have return successors, (12282), 12238 states have call predecessors, (12282), 12272 states have call successors, (12282) [2022-07-14 02:44:39,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55312 states to 55312 states and 75255 transitions. [2022-07-14 02:44:39,977 INFO L78 Accepts]: Start accepts. Automaton has 55312 states and 75255 transitions. Word has length 386 [2022-07-14 02:44:39,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:44:39,977 INFO L495 AbstractCegarLoop]: Abstraction has 55312 states and 75255 transitions. [2022-07-14 02:44:39,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:44:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 55312 states and 75255 transitions. [2022-07-14 02:44:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-07-14 02:44:40,243 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:44:40,244 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 12, 12, 12, 8, 8, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:44:40,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-14 02:44:40,463 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,SelfDestructingSolverStorable17 [2022-07-14 02:44:40,463 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:44:40,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:44:40,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1127014747, now seen corresponding path program 1 times [2022-07-14 02:44:40,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:44:40,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076350095] [2022-07-14 02:44:40,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:44:40,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:44:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:44:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:44:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:44:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:44:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:44:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:44:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:44:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:44:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:44:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:44:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:44:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:44:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:44:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:44:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:44:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:44:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:44:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:44:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:44:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:44:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:44:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 02:44:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:44:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 02:44:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-14 02:44:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-14 02:44:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-14 02:44:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-14 02:44:40,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-14 02:44:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-14 02:44:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:40,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1146 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2022-07-14 02:44:40,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:44:40,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076350095] [2022-07-14 02:44:40,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076350095] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:44:40,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:44:40,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:44:40,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863347216] [2022-07-14 02:44:40,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:44:40,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:44:40,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:44:40,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:44:40,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:44:40,756 INFO L87 Difference]: Start difference. First operand 55312 states and 75255 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 02:44:45,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:44:45,633 INFO L93 Difference]: Finished difference Result 116685 states and 159264 transitions. [2022-07-14 02:44:45,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:44:45,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 400 [2022-07-14 02:44:45,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:44:45,913 INFO L225 Difference]: With dead ends: 116685 [2022-07-14 02:44:45,913 INFO L226 Difference]: Without dead ends: 62225 [2022-07-14 02:44:46,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:44:46,086 INFO L413 NwaCegarLoop]: 3907 mSDtfsCounter, 2176 mSDsluCounter, 2721 mSDsCounter, 0 mSdLazyCounter, 1970 mSolverCounterSat, 852 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2491 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 2822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 852 IncrementalHoareTripleChecker+Valid, 1970 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:44:46,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2491 Valid, 6628 Invalid, 2822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [852 Valid, 1970 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 02:44:46,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62225 states. [2022-07-14 02:44:47,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62225 to 59536. [2022-07-14 02:44:47,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59536 states, 43063 states have (on average 1.2678401411884912) internal successors, (54597), 44084 states have internal predecessors, (54597), 13204 states have call successors, (13204), 3263 states have call predecessors, (13204), 3267 states have return successors, (13214), 13168 states have call predecessors, (13214), 13204 states have call successors, (13214) [2022-07-14 02:44:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59536 states to 59536 states and 81015 transitions. [2022-07-14 02:44:48,123 INFO L78 Accepts]: Start accepts. Automaton has 59536 states and 81015 transitions. Word has length 400 [2022-07-14 02:44:48,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:44:48,144 INFO L495 AbstractCegarLoop]: Abstraction has 59536 states and 81015 transitions. [2022-07-14 02:44:48,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 02:44:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 59536 states and 81015 transitions. [2022-07-14 02:44:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-14 02:44:48,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:44:48,727 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:44:48,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-14 02:44:48,727 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 02:44:48,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:44:48,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1820916343, now seen corresponding path program 1 times [2022-07-14 02:44:48,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:44:48,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274247873] [2022-07-14 02:44:48,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:44:48,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:44:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:44:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:44:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:44:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:44:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:44:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:44:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:44:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:44:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:44:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 02:44:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 02:44:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:44:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-14 02:44:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 02:44:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 02:44:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:44:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-14 02:44:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-14 02:44:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:44:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:44:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 02:44:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 02:44:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:44:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 02:44:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:44:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 02:44:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-14 02:44:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-14 02:44:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-14 02:44:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 02:44:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-14 02:44:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:44:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-14 02:44:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-14 02:44:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:44:48,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1235 trivial. 0 not checked. [2022-07-14 02:44:48,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:44:48,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274247873] [2022-07-14 02:44:48,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274247873] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:44:48,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:44:48,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:44:48,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607235447] [2022-07-14 02:44:48,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:44:48,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:44:48,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:44:48,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:44:48,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:44:48,999 INFO L87 Difference]: Start difference. First operand 59536 states and 81015 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 4 states have internal predecessors, (137), 3 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 3 states have call successors, (32)