./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-media-radio-wl128x-fm_drv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-media-radio-wl128x-fm_drv.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 f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:33:55,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:33:55,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:33:55,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:33:55,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:33:55,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:33:55,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:33:55,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:33:55,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:33:55,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:33:55,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:33:55,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:33:55,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:33:55,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:33:55,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:33:55,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:33:55,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:33:55,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:33:55,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:33:55,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:33:55,867 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:33:55,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:33:55,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:33:55,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:33:55,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:33:55,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:33:55,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:33:55,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:33:55,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:33:55,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:33:55,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:33:55,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:33:55,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:33:55,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:33:55,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:33:55,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:33:55,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:33:55,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:33:55,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:33:55,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:33:55,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:33:55,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:33:55,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:33:55,926 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:33:55,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:33:55,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:33:55,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:33:55,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:33:55,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:33:55,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:33:55,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:33:55,929 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:33:55,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:33:55,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:33:55,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:33:55,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:33:55,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:33:55,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:33:55,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:33:55,949 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:33:55,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:33:55,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:33:55,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:33:55,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:33:55,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:33:55,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:33:55,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:33:55,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:33:55,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:33:55,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:33:55,951 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:33:55,951 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:33:55,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:33:55,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6012e8ec841b08462bbd246c354a43139de7ccb42d1c6282a50e12dbc313f31 [2022-07-21 13:33:56,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:33:56,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:33:56,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:33:56,304 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:33:56,305 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:33:56,306 INFO L432 ainManager$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-media-radio-wl128x-fm_drv.cil.i [2022-07-21 13:33:56,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e14ac454e/0520b24cf87c4652be6eb6640a5f1c96/FLAG6f470f4c8 [2022-07-21 13:33:57,169 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:33:57,169 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-media-radio-wl128x-fm_drv.cil.i [2022-07-21 13:33:57,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e14ac454e/0520b24cf87c4652be6eb6640a5f1c96/FLAG6f470f4c8 [2022-07-21 13:33:57,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e14ac454e/0520b24cf87c4652be6eb6640a5f1c96 [2022-07-21 13:33:57,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:33:57,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:33:57,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:33:57,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:33:57,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:33:57,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:33:57" (1/1) ... [2022-07-21 13:33:57,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bd451d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:33:57, skipping insertion in model container [2022-07-21 13:33:57,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:33:57" (1/1) ... [2022-07-21 13:33:57,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:33:57,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:34:00,129 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-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2022-07-21 13:34:00,132 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-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2022-07-21 13:34:00,133 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-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2022-07-21 13:34:00,133 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-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2022-07-21 13:34:00,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:34:00,227 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:34:00,594 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-media-radio-wl128x-fm_drv.cil.i[314540,314553] [2022-07-21 13:34:00,595 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-media-radio-wl128x-fm_drv.cil.i[314706,314719] [2022-07-21 13:34:00,595 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-media-radio-wl128x-fm_drv.cil.i[314870,314883] [2022-07-21 13:34:00,596 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-media-radio-wl128x-fm_drv.cil.i[315035,315048] [2022-07-21 13:34:00,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:34:00,938 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:34:00,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00 WrapperNode [2022-07-21 13:34:00,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:34:00,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:34:00,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:34:00,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:34:00,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00" (1/1) ... [2022-07-21 13:34:01,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00" (1/1) ... [2022-07-21 13:34:01,232 INFO L137 Inliner]: procedures = 386, calls = 2493, calls flagged for inlining = 198, calls inlined = 148, statements flattened = 4955 [2022-07-21 13:34:01,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:34:01,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:34:01,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:34:01,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:34:01,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00" (1/1) ... [2022-07-21 13:34:01,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00" (1/1) ... [2022-07-21 13:34:01,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00" (1/1) ... [2022-07-21 13:34:01,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00" (1/1) ... [2022-07-21 13:34:01,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00" (1/1) ... [2022-07-21 13:34:01,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00" (1/1) ... [2022-07-21 13:34:01,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00" (1/1) ... [2022-07-21 13:34:01,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:34:01,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:34:01,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:34:01,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:34:01,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00" (1/1) ... [2022-07-21 13:34:01,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:34:01,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:34:01,511 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) [2022-07-21 13:34:01,515 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 [2022-07-21 13:34:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 13:34:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 13:34:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:34:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:34:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-21 13:34:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-21 13:34:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:34:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:34:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 13:34:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 13:34:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_stereo_mono [2022-07-21 13:34:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_stereo_mono [2022-07-21 13:34:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 13:34:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 13:34:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_len [2022-07-21 13:34:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_len [2022-07-21 13:34:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-21 13:34:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-21 13:34:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:34:01,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:34:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 13:34:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 13:34:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-21 13:34:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-21 13:34:01,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:34:01,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:34:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 13:34:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 13:34:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 13:34:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 13:34:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:34:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-21 13:34:01,599 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-21 13:34:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure st_unregister [2022-07-21 13:34:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure st_unregister [2022-07-21 13:34:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 13:34:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 13:34:01,600 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 13:34:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 13:34:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 13:34:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 13:34:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:34:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:34:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 13:34:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_fmdev [2022-07-21 13:34:01,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_fmdev [2022-07-21 13:34:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_release [2022-07-21 13:34:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_release [2022-07-21 13:34:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 13:34:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 13:34:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_fmdev [2022-07-21 13:34:01,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_fmdev [2022-07-21 13:34:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 13:34:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 13:34:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:34:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:34:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_rds_mode [2022-07-21 13:34:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_rds_mode [2022-07-21 13:34:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-21 13:34:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-21 13:34:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata [2022-07-21 13:34:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata [2022-07-21 13:34:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_rds_mode [2022-07-21 13:34:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_rds_mode [2022-07-21 13:34:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:34:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:34:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:34:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:34:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:34:01,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 13:34:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 13:34:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-21 13:34:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-21 13:34:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:34:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:34:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:34:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:34:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-21 13:34:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-21 13:34:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 13:34:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 13:34:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_preemph_filter [2022-07-21 13:34:01,607 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_preemph_filter [2022-07-21 13:34:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-21 13:34:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-21 13:34:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 13:34:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 13:34:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 13:34:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 13:34:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 13:34:01,608 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 13:34:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure fm_g_volatile_ctrl [2022-07-21 13:34:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_g_volatile_ctrl [2022-07-21 13:34:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:34:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:34:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 13:34:01,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 13:34:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 13:34:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 13:34:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure fm_config_rx_mute_reg [2022-07-21 13:34:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_config_rx_mute_reg [2022-07-21 13:34:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-21 13:34:01,610 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-21 13:34:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:34:01,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:34:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_data_mode [2022-07-21 13:34:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_data_mode [2022-07-21 13:34:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:34:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:34:01,611 INFO L130 BoogieDeclarations]: Found specification of procedure fm_tx_set_pwr_lvl [2022-07-21 13:34:01,611 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_tx_set_pwr_lvl [2022-07-21 13:34:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-21 13:34:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-21 13:34:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_prepare [2022-07-21 13:34:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_prepare [2022-07-21 13:34:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_send_cmd [2022-07-21 13:34:01,612 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_send_cmd [2022-07-21 13:34:01,612 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-21 13:34:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-21 13:34:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure fm_send_cmd [2022-07-21 13:34:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_send_cmd [2022-07-21 13:34:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 13:34:01,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 13:34:01,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:34:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:34:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call_stage [2022-07-21 13:34:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call_stage [2022-07-21 13:34:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-21 13:34:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-21 13:34:01,614 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-07-21 13:34:01,614 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-07-21 13:34:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:34:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2022-07-21 13:34:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_fm_drv_exit_6_2 [2022-07-21 13:34:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:34:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_rds_cache [2022-07-21 13:34:01,615 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_rds_cache [2022-07-21 13:34:01,615 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_reset_station_info [2022-07-21 13:34:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_reset_station_info [2022-07-21 13:34:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_s_ctrl [2022-07-21 13:34:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_s_ctrl [2022-07-21 13:34:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:34:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 13:34:01,616 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 13:34:01,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2022-07-21 13:34:01,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~int_handler_prototype~0 [2022-07-21 13:34:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure enable_xmit [2022-07-21 13:34:01,617 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_xmit [2022-07-21 13:34:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 13:34:01,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 13:34:01,617 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_volume [2022-07-21 13:34:01,617 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_volume [2022-07-21 13:34:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 13:34:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 13:34:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 13:34:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 13:34:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 13:34:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 13:34:01,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:34:01,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:34:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 13:34:01,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 13:34:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2022-07-21 13:34:01,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_mutex_of_fmdev [2022-07-21 13:34:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure set_rds_text [2022-07-21 13:34:01,619 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rds_text [2022-07-21 13:34:01,619 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-21 13:34:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-21 13:34:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_release [2022-07-21 13:34:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_release [2022-07-21 13:34:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 13:34:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 13:34:01,620 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:34:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:34:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:34:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:34:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 13:34:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 13:34:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-21 13:34:01,621 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-21 13:34:01,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 13:34:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-21 13:34:01,622 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-21 13:34:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:34:01,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:34:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_open [2022-07-21 13:34:01,622 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_open [2022-07-21 13:34:01,622 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 13:34:01,622 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 13:34:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure fm_rx_set_freq [2022-07-21 13:34:01,623 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_rx_set_freq [2022-07-21 13:34:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure fmc_set_mode [2022-07-21 13:34:01,623 INFO L138 BoogieDeclarations]: Found implementation of procedure fmc_set_mode [2022-07-21 13:34:01,623 INFO L130 BoogieDeclarations]: Found specification of procedure fm_v4l2_fops_write [2022-07-21 13:34:01,623 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_v4l2_fops_write [2022-07-21 13:34:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 13:34:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 13:34:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure fm_irq_call [2022-07-21 13:34:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_irq_call [2022-07-21 13:34:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:34:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:34:01,624 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 13:34:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 13:34:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure fm_power_down [2022-07-21 13:34:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_power_down [2022-07-21 13:34:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure fm_download_firmware [2022-07-21 13:34:01,625 INFO L138 BoogieDeclarations]: Found implementation of procedure fm_download_firmware [2022-07-21 13:34:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 13:34:01,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:34:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:34:02,449 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:34:02,454 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:34:02,574 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:34:05,489 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:34:05,553 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:34:05,569 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:34:05,569 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 13:34:05,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:34:05 BoogieIcfgContainer [2022-07-21 13:34:05,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:34:05,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:34:05,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:34:05,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:34:05,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:33:57" (1/3) ... [2022-07-21 13:34:05,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4e2a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:34:05, skipping insertion in model container [2022-07-21 13:34:05,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:34:00" (2/3) ... [2022-07-21 13:34:05,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4e2a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:34:05, skipping insertion in model container [2022-07-21 13:34:05,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:34:05" (3/3) ... [2022-07-21 13:34:05,579 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-radio-wl128x-fm_drv.cil.i [2022-07-21 13:34:05,591 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:34:05,592 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 13:34:05,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:34:05,686 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@4c84c86e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@48fc5020 [2022-07-21 13:34:05,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 13:34:05,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 1725 states, 1204 states have (on average 1.3222591362126246) internal successors, (1592), 1220 states have internal predecessors, (1592), 422 states have call successors, (422), 97 states have call predecessors, (422), 96 states have return successors, (415), 412 states have call predecessors, (415), 415 states have call successors, (415) [2022-07-21 13:34:05,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-21 13:34:05,732 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:05,733 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:34:05,734 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)] === [2022-07-21 13:34:05,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:05,739 INFO L85 PathProgramCache]: Analyzing trace with hash -800404450, now seen corresponding path program 1 times [2022-07-21 13:34:05,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:05,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3257947] [2022-07-21 13:34:05,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:05,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-21 13:34:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-07-21 13:34:06,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:06,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3257947] [2022-07-21 13:34:06,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3257947] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:06,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:06,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:34:06,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920222088] [2022-07-21 13:34:06,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:06,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:34:06,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:07,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:34:07,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:34:07,032 INFO L87 Difference]: Start difference. First operand has 1725 states, 1204 states have (on average 1.3222591362126246) internal successors, (1592), 1220 states have internal predecessors, (1592), 422 states have call successors, (422), 97 states have call predecessors, (422), 96 states have return successors, (415), 412 states have call predecessors, (415), 415 states have call successors, (415) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 13:34:10,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:34:10,294 INFO L93 Difference]: Finished difference Result 5086 states and 7307 transitions. [2022-07-21 13:34:10,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:34:10,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2022-07-21 13:34:10,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:34:10,338 INFO L225 Difference]: With dead ends: 5086 [2022-07-21 13:34:10,338 INFO L226 Difference]: Without dead ends: 3393 [2022-07-21 13:34:10,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:34:10,356 INFO L413 NwaCegarLoop]: 2690 mSDtfsCounter, 2787 mSDsluCounter, 3096 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3033 SdHoareTripleChecker+Valid, 5786 SdHoareTripleChecker+Invalid, 2303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:34:10,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3033 Valid, 5786 Invalid, 2303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-21 13:34:10,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3393 states. [2022-07-21 13:34:10,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3393 to 3207. [2022-07-21 13:34:10,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3207 states, 2262 states have (on average 1.3191865605658708) internal successors, (2984), 2292 states have internal predecessors, (2984), 759 states have call successors, (759), 184 states have call predecessors, (759), 183 states have return successors, (755), 749 states have call predecessors, (755), 755 states have call successors, (755) [2022-07-21 13:34:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 4498 transitions. [2022-07-21 13:34:10,622 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 4498 transitions. Word has length 241 [2022-07-21 13:34:10,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:34:10,623 INFO L495 AbstractCegarLoop]: Abstraction has 3207 states and 4498 transitions. [2022-07-21 13:34:10,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 13:34:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 4498 transitions. [2022-07-21 13:34:10,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-21 13:34:10,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:10,632 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:34:10,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 13:34:10,632 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)] === [2022-07-21 13:34:10,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:10,633 INFO L85 PathProgramCache]: Analyzing trace with hash -2098047584, now seen corresponding path program 1 times [2022-07-21 13:34:10,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:10,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389787015] [2022-07-21 13:34:10,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:10,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 13:34:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 13:34:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2022-07-21 13:34:11,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:11,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389787015] [2022-07-21 13:34:11,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389787015] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:11,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:11,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:34:11,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529332606] [2022-07-21 13:34:11,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:11,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:34:11,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:11,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:34:11,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:34:11,308 INFO L87 Difference]: Start difference. First operand 3207 states and 4498 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 13:34:14,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:34:14,130 INFO L93 Difference]: Finished difference Result 7235 states and 10070 transitions. [2022-07-21 13:34:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:34:14,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 269 [2022-07-21 13:34:14,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:34:14,161 INFO L225 Difference]: With dead ends: 7235 [2022-07-21 13:34:14,161 INFO L226 Difference]: Without dead ends: 4071 [2022-07-21 13:34:14,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:34:14,178 INFO L413 NwaCegarLoop]: 2664 mSDtfsCounter, 1999 mSDsluCounter, 3141 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 850 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2193 SdHoareTripleChecker+Valid, 5805 SdHoareTripleChecker+Invalid, 2242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 850 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:34:14,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2193 Valid, 5805 Invalid, 2242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [850 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 13:34:14,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4071 states. [2022-07-21 13:34:14,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4071 to 3772. [2022-07-21 13:34:14,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3772 states, 2621 states have (on average 1.2926363983212514) internal successors, (3388), 2665 states have internal predecessors, (3388), 877 states have call successors, (877), 272 states have call predecessors, (877), 271 states have return successors, (873), 859 states have call predecessors, (873), 873 states have call successors, (873) [2022-07-21 13:34:14,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3772 states to 3772 states and 5138 transitions. [2022-07-21 13:34:14,346 INFO L78 Accepts]: Start accepts. Automaton has 3772 states and 5138 transitions. Word has length 269 [2022-07-21 13:34:14,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:34:14,347 INFO L495 AbstractCegarLoop]: Abstraction has 3772 states and 5138 transitions. [2022-07-21 13:34:14,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 13:34:14,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3772 states and 5138 transitions. [2022-07-21 13:34:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2022-07-21 13:34:14,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:14,354 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:34:14,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 13:34:14,355 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)] === [2022-07-21 13:34:14,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:14,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2033630157, now seen corresponding path program 1 times [2022-07-21 13:34:14,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:14,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526852432] [2022-07-21 13:34:14,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:14,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 13:34:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 13:34:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 13:34:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:15,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:15,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 13:34:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2022-07-21 13:34:15,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:15,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526852432] [2022-07-21 13:34:15,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526852432] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:15,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:15,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:34:15,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279480646] [2022-07-21 13:34:15,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:15,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:34:15,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:15,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:34:15,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:34:15,029 INFO L87 Difference]: Start difference. First operand 3772 states and 5138 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-21 13:34:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:34:17,705 INFO L93 Difference]: Finished difference Result 6875 states and 9380 transitions. [2022-07-21 13:34:17,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:34:17,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 295 [2022-07-21 13:34:17,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:34:17,727 INFO L225 Difference]: With dead ends: 6875 [2022-07-21 13:34:17,727 INFO L226 Difference]: Without dead ends: 3146 [2022-07-21 13:34:17,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 13:34:17,782 INFO L413 NwaCegarLoop]: 2019 mSDtfsCounter, 4347 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 1630 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4655 SdHoareTripleChecker+Valid, 3694 SdHoareTripleChecker+Invalid, 3261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1630 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:34:17,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4655 Valid, 3694 Invalid, 3261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1630 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 13:34:17,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3146 states. [2022-07-21 13:34:17,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3146 to 2925. [2022-07-21 13:34:17,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2925 states, 2061 states have (on average 1.284813197476953) internal successors, (2648), 2076 states have internal predecessors, (2648), 650 states have call successors, (650), 212 states have call predecessors, (650), 211 states have return successors, (646), 641 states have call predecessors, (646), 646 states have call successors, (646) [2022-07-21 13:34:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2925 states and 3944 transitions. [2022-07-21 13:34:17,895 INFO L78 Accepts]: Start accepts. Automaton has 2925 states and 3944 transitions. Word has length 295 [2022-07-21 13:34:17,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:34:17,895 INFO L495 AbstractCegarLoop]: Abstraction has 2925 states and 3944 transitions. [2022-07-21 13:34:17,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-21 13:34:17,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2925 states and 3944 transitions. [2022-07-21 13:34:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-21 13:34:17,901 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:17,902 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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] [2022-07-21 13:34:17,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 13:34:17,902 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)] === [2022-07-21 13:34:17,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:17,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1430313412, now seen corresponding path program 1 times [2022-07-21 13:34:17,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:17,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754268152] [2022-07-21 13:34:17,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:34:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:34:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:34:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:34:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:34:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:34:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2022-07-21 13:34:18,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:18,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754268152] [2022-07-21 13:34:18,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754268152] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:18,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:18,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:34:18,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205331485] [2022-07-21 13:34:18,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:18,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:34:18,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:18,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:34:18,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:34:18,526 INFO L87 Difference]: Start difference. First operand 2925 states and 3944 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 13:34:21,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:34:21,632 INFO L93 Difference]: Finished difference Result 7682 states and 10572 transitions. [2022-07-21 13:34:21,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:34:21,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 302 [2022-07-21 13:34:21,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:34:21,665 INFO L225 Difference]: With dead ends: 7682 [2022-07-21 13:34:21,665 INFO L226 Difference]: Without dead ends: 5344 [2022-07-21 13:34:21,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:34:21,678 INFO L413 NwaCegarLoop]: 3998 mSDtfsCounter, 2502 mSDsluCounter, 3843 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 1030 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 7841 SdHoareTripleChecker+Invalid, 2692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1030 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:34:21,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2714 Valid, 7841 Invalid, 2692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1030 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 13:34:21,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2022-07-21 13:34:21,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 4856. [2022-07-21 13:34:21,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4856 states, 3445 states have (on average 1.2949201741654572) internal successors, (4461), 3463 states have internal predecessors, (4461), 1069 states have call successors, (1069), 340 states have call predecessors, (1069), 339 states have return successors, (1065), 1060 states have call predecessors, (1065), 1065 states have call successors, (1065) [2022-07-21 13:34:21,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4856 states to 4856 states and 6595 transitions. [2022-07-21 13:34:21,913 INFO L78 Accepts]: Start accepts. Automaton has 4856 states and 6595 transitions. Word has length 302 [2022-07-21 13:34:21,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:34:21,914 INFO L495 AbstractCegarLoop]: Abstraction has 4856 states and 6595 transitions. [2022-07-21 13:34:21,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 13:34:21,915 INFO L276 IsEmpty]: Start isEmpty. Operand 4856 states and 6595 transitions. [2022-07-21 13:34:21,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-21 13:34:21,921 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:21,922 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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] [2022-07-21 13:34:21,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 13:34:21,922 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)] === [2022-07-21 13:34:21,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:21,923 INFO L85 PathProgramCache]: Analyzing trace with hash -44110018, now seen corresponding path program 1 times [2022-07-21 13:34:21,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:21,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585108285] [2022-07-21 13:34:21,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:21,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:34:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:34:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:34:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:34:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:34:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:34:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2022-07-21 13:34:22,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:22,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585108285] [2022-07-21 13:34:22,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585108285] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:22,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:22,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:34:22,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474091866] [2022-07-21 13:34:22,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:22,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:34:22,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:22,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:34:22,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:34:22,720 INFO L87 Difference]: Start difference. First operand 4856 states and 6595 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 13:34:27,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:34:27,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:34:27,465 INFO L93 Difference]: Finished difference Result 5346 states and 7385 transitions. [2022-07-21 13:34:27,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:34:27,466 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 302 [2022-07-21 13:34:27,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:34:27,500 INFO L225 Difference]: With dead ends: 5346 [2022-07-21 13:34:27,500 INFO L226 Difference]: Without dead ends: 5344 [2022-07-21 13:34:27,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:34:27,507 INFO L413 NwaCegarLoop]: 2136 mSDtfsCounter, 2382 mSDsluCounter, 5476 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2583 SdHoareTripleChecker+Valid, 7612 SdHoareTripleChecker+Invalid, 2899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:34:27,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2583 Valid, 7612 Invalid, 2899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [607 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-21 13:34:27,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2022-07-21 13:34:27,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 4860. [2022-07-21 13:34:27,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4860 states, 3448 states have (on average 1.294663573085847) internal successors, (4464), 3466 states have internal predecessors, (4464), 1069 states have call successors, (1069), 341 states have call predecessors, (1069), 340 states have return successors, (1065), 1060 states have call predecessors, (1065), 1065 states have call successors, (1065) [2022-07-21 13:34:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4860 states to 4860 states and 6598 transitions. [2022-07-21 13:34:27,743 INFO L78 Accepts]: Start accepts. Automaton has 4860 states and 6598 transitions. Word has length 302 [2022-07-21 13:34:27,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:34:27,744 INFO L495 AbstractCegarLoop]: Abstraction has 4860 states and 6598 transitions. [2022-07-21 13:34:27,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 13:34:27,744 INFO L276 IsEmpty]: Start isEmpty. Operand 4860 states and 6598 transitions. [2022-07-21 13:34:27,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-21 13:34:27,752 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:27,753 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 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] [2022-07-21 13:34:27,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 13:34:27,753 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)] === [2022-07-21 13:34:27,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:27,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1534075407, now seen corresponding path program 1 times [2022-07-21 13:34:27,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:27,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32354240] [2022-07-21 13:34:27,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:27,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:34:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:34:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:34:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:34:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:34:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:34:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:34:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:28,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1805 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1803 trivial. 0 not checked. [2022-07-21 13:34:28,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:28,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32354240] [2022-07-21 13:34:28,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32354240] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:28,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:28,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:34:28,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139721446] [2022-07-21 13:34:28,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:28,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:34:28,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:28,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:34:28,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:34:28,521 INFO L87 Difference]: Start difference. First operand 4860 states and 6598 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 13:34:30,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:34:30,966 INFO L93 Difference]: Finished difference Result 5350 states and 7388 transitions. [2022-07-21 13:34:30,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:34:30,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 307 [2022-07-21 13:34:30,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:34:30,997 INFO L225 Difference]: With dead ends: 5350 [2022-07-21 13:34:30,998 INFO L226 Difference]: Without dead ends: 5348 [2022-07-21 13:34:31,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:34:31,005 INFO L413 NwaCegarLoop]: 2139 mSDtfsCounter, 2701 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 1714 mSolverCounterSat, 1020 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2902 SdHoareTripleChecker+Valid, 6672 SdHoareTripleChecker+Invalid, 2734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1020 IncrementalHoareTripleChecker+Valid, 1714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:34:31,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2902 Valid, 6672 Invalid, 2734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1020 Valid, 1714 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-21 13:34:31,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5348 states. [2022-07-21 13:34:31,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5348 to 4864. [2022-07-21 13:34:31,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4864 states, 3451 states have (on average 1.2944074181396696) internal successors, (4467), 3469 states have internal predecessors, (4467), 1069 states have call successors, (1069), 342 states have call predecessors, (1069), 341 states have return successors, (1065), 1060 states have call predecessors, (1065), 1065 states have call successors, (1065) [2022-07-21 13:34:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4864 states to 4864 states and 6601 transitions. [2022-07-21 13:34:31,256 INFO L78 Accepts]: Start accepts. Automaton has 4864 states and 6601 transitions. Word has length 307 [2022-07-21 13:34:31,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:34:31,258 INFO L495 AbstractCegarLoop]: Abstraction has 4864 states and 6601 transitions. [2022-07-21 13:34:31,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 13:34:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 4864 states and 6601 transitions. [2022-07-21 13:34:31,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-07-21 13:34:31,266 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:31,267 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:34:31,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 13:34:31,267 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)] === [2022-07-21 13:34:31,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:31,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1161742251, now seen corresponding path program 1 times [2022-07-21 13:34:31,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:31,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322227951] [2022-07-21 13:34:31,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:31,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:34:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:34:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:34:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:34:31,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:34:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 13:34:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:34:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 13:34:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 13:34:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:31,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1789 trivial. 0 not checked. [2022-07-21 13:34:31,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:31,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322227951] [2022-07-21 13:34:31,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322227951] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:31,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:31,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:34:31,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922957690] [2022-07-21 13:34:31,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:31,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:34:31,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:31,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:34:31,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:34:31,817 INFO L87 Difference]: Start difference. First operand 4864 states and 6601 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 13:34:36,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:34:36,725 INFO L93 Difference]: Finished difference Result 11770 states and 16214 transitions. [2022-07-21 13:34:36,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:34:36,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 321 [2022-07-21 13:34:36,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:34:36,771 INFO L225 Difference]: With dead ends: 11770 [2022-07-21 13:34:36,771 INFO L226 Difference]: Without dead ends: 7493 [2022-07-21 13:34:36,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-07-21 13:34:36,797 INFO L413 NwaCegarLoop]: 3945 mSDtfsCounter, 2249 mSDsluCounter, 5542 mSDsCounter, 0 mSdLazyCounter, 2731 mSolverCounterSat, 664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2460 SdHoareTripleChecker+Valid, 9487 SdHoareTripleChecker+Invalid, 3395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 664 IncrementalHoareTripleChecker+Valid, 2731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:34:36,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2460 Valid, 9487 Invalid, 3395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [664 Valid, 2731 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-21 13:34:36,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7493 states. [2022-07-21 13:34:37,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7493 to 6797. [2022-07-21 13:34:37,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6797 states, 4837 states have (on average 1.298738887740335) internal successors, (6282), 4858 states have internal predecessors, (6282), 1488 states have call successors, (1488), 470 states have call predecessors, (1488), 469 states have return successors, (1484), 1479 states have call predecessors, (1484), 1484 states have call successors, (1484) [2022-07-21 13:34:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6797 states to 6797 states and 9254 transitions. [2022-07-21 13:34:37,084 INFO L78 Accepts]: Start accepts. Automaton has 6797 states and 9254 transitions. Word has length 321 [2022-07-21 13:34:37,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:34:37,085 INFO L495 AbstractCegarLoop]: Abstraction has 6797 states and 9254 transitions. [2022-07-21 13:34:37,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 13:34:37,085 INFO L276 IsEmpty]: Start isEmpty. Operand 6797 states and 9254 transitions. [2022-07-21 13:34:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-07-21 13:34:37,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:37,091 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 3, 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] [2022-07-21 13:34:37,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 13:34:37,092 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)] === [2022-07-21 13:34:37,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:37,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1314143966, now seen corresponding path program 1 times [2022-07-21 13:34:37,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:37,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128535689] [2022-07-21 13:34:37,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:37,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:34:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:34:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:34:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:34:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:34:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:34:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:34:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 13:34:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2022-07-21 13:34:37,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:37,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128535689] [2022-07-21 13:34:37,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128535689] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:37,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:37,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:34:37,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288612996] [2022-07-21 13:34:37,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:37,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:34:37,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:37,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:34:37,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:34:37,861 INFO L87 Difference]: Start difference. First operand 6797 states and 9254 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 13:34:41,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:34:41,389 INFO L93 Difference]: Finished difference Result 7475 states and 10346 transitions. [2022-07-21 13:34:41,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:34:41,390 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 312 [2022-07-21 13:34:41,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:34:41,417 INFO L225 Difference]: With dead ends: 7475 [2022-07-21 13:34:41,418 INFO L226 Difference]: Without dead ends: 7473 [2022-07-21 13:34:41,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:34:41,421 INFO L413 NwaCegarLoop]: 2139 mSDtfsCounter, 2374 mSDsluCounter, 5476 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2575 SdHoareTripleChecker+Valid, 7615 SdHoareTripleChecker+Invalid, 2897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 605 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:34:41,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2575 Valid, 7615 Invalid, 2897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [605 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-21 13:34:41,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7473 states. [2022-07-21 13:34:41,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7473 to 6801. [2022-07-21 13:34:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6801 states, 4840 states have (on average 1.2985537190082646) internal successors, (6285), 4861 states have internal predecessors, (6285), 1488 states have call successors, (1488), 471 states have call predecessors, (1488), 470 states have return successors, (1484), 1479 states have call predecessors, (1484), 1484 states have call successors, (1484) [2022-07-21 13:34:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6801 states to 6801 states and 9257 transitions. [2022-07-21 13:34:41,694 INFO L78 Accepts]: Start accepts. Automaton has 6801 states and 9257 transitions. Word has length 312 [2022-07-21 13:34:41,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:34:41,695 INFO L495 AbstractCegarLoop]: Abstraction has 6801 states and 9257 transitions. [2022-07-21 13:34:41,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 13:34:41,695 INFO L276 IsEmpty]: Start isEmpty. Operand 6801 states and 9257 transitions. [2022-07-21 13:34:41,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-07-21 13:34:41,701 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:41,701 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 4, 3, 3, 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] [2022-07-21 13:34:41,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 13:34:41,702 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-07-21 13:34:41,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:41,702 INFO L85 PathProgramCache]: Analyzing trace with hash -2066382383, now seen corresponding path program 1 times [2022-07-21 13:34:41,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:41,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341712795] [2022-07-21 13:34:41,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:41,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:41,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:41,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:34:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:34:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:34:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:34:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:34:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:34:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:34:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 13:34:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 13:34:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2022-07-21 13:34:42,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:42,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341712795] [2022-07-21 13:34:42,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341712795] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:42,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:42,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:34:42,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360447647] [2022-07-21 13:34:42,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:42,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:34:42,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:42,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:34:42,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:34:42,430 INFO L87 Difference]: Start difference. First operand 6801 states and 9257 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 13:34:46,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:34:46,258 INFO L93 Difference]: Finished difference Result 7479 states and 10349 transitions. [2022-07-21 13:34:46,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:34:46,259 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 317 [2022-07-21 13:34:46,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:34:46,289 INFO L225 Difference]: With dead ends: 7479 [2022-07-21 13:34:46,289 INFO L226 Difference]: Without dead ends: 7477 [2022-07-21 13:34:46,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:34:46,295 INFO L413 NwaCegarLoop]: 2139 mSDtfsCounter, 2374 mSDsluCounter, 5476 mSDsCounter, 0 mSdLazyCounter, 2292 mSolverCounterSat, 604 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2575 SdHoareTripleChecker+Valid, 7615 SdHoareTripleChecker+Invalid, 2896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 604 IncrementalHoareTripleChecker+Valid, 2292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:34:46,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2575 Valid, 7615 Invalid, 2896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [604 Valid, 2292 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-21 13:34:46,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7477 states. [2022-07-21 13:34:46,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7477 to 6805. [2022-07-21 13:34:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6805 states, 4843 states have (on average 1.2983687796820154) internal successors, (6288), 4864 states have internal predecessors, (6288), 1488 states have call successors, (1488), 472 states have call predecessors, (1488), 471 states have return successors, (1484), 1479 states have call predecessors, (1484), 1484 states have call successors, (1484) [2022-07-21 13:34:46,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6805 states to 6805 states and 9260 transitions. [2022-07-21 13:34:46,567 INFO L78 Accepts]: Start accepts. Automaton has 6805 states and 9260 transitions. Word has length 317 [2022-07-21 13:34:46,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:34:46,568 INFO L495 AbstractCegarLoop]: Abstraction has 6805 states and 9260 transitions. [2022-07-21 13:34:46,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 13:34:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 6805 states and 9260 transitions. [2022-07-21 13:34:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-21 13:34:46,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:46,575 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 20, 20, 5, 5, 5, 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] [2022-07-21 13:34:46,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 13:34:46,575 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)] === [2022-07-21 13:34:46,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:46,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1141278156, now seen corresponding path program 1 times [2022-07-21 13:34:46,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:46,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656371152] [2022-07-21 13:34:46,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:46,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:34:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:34:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:34:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-21 13:34:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:34:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:34:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:34:47,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 13:34:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-21 13:34:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:34:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:34:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 13:34:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1821 trivial. 0 not checked. [2022-07-21 13:34:47,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:47,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656371152] [2022-07-21 13:34:47,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656371152] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:47,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:47,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:34:47,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069603913] [2022-07-21 13:34:47,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:47,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 13:34:47,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:47,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 13:34:47,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 13:34:47,118 INFO L87 Difference]: Start difference. First operand 6805 states and 9260 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 13:34:49,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:34:49,881 INFO L93 Difference]: Finished difference Result 19553 states and 26819 transitions. [2022-07-21 13:34:49,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:34:49,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2022-07-21 13:34:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:34:50,004 INFO L225 Difference]: With dead ends: 19553 [2022-07-21 13:34:50,004 INFO L226 Difference]: Without dead ends: 12812 [2022-07-21 13:34:50,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:34:50,035 INFO L413 NwaCegarLoop]: 2491 mSDtfsCounter, 2589 mSDsluCounter, 2972 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 913 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2800 SdHoareTripleChecker+Valid, 5463 SdHoareTripleChecker+Invalid, 2191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 913 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:34:50,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2800 Valid, 5463 Invalid, 2191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [913 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 13:34:50,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12812 states. [2022-07-21 13:34:50,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12812 to 11890. [2022-07-21 13:34:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11890 states, 8546 states have (on average 1.29932131991575) internal successors, (11104), 8590 states have internal predecessors, (11104), 2527 states have call successors, (2527), 815 states have call predecessors, (2527), 814 states have return successors, (2523), 2506 states have call predecessors, (2523), 2523 states have call successors, (2523) [2022-07-21 13:34:50,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11890 states to 11890 states and 16154 transitions. [2022-07-21 13:34:50,619 INFO L78 Accepts]: Start accepts. Automaton has 11890 states and 16154 transitions. Word has length 332 [2022-07-21 13:34:50,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:34:50,620 INFO L495 AbstractCegarLoop]: Abstraction has 11890 states and 16154 transitions. [2022-07-21 13:34:50,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 13:34:50,620 INFO L276 IsEmpty]: Start isEmpty. Operand 11890 states and 16154 transitions. [2022-07-21 13:34:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-07-21 13:34:50,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:50,628 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 5, 4, 4, 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] [2022-07-21 13:34:50,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 13:34:50,629 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-07-21 13:34:50,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:50,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1972647550, now seen corresponding path program 1 times [2022-07-21 13:34:50,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:50,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247643899] [2022-07-21 13:34:50,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:50,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:34:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:34:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:34:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:34:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:34:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:34:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:34:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 13:34:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 13:34:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-21 13:34:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:51,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2022-07-21 13:34:51,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:51,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247643899] [2022-07-21 13:34:51,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247643899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:51,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:51,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:34:51,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473000298] [2022-07-21 13:34:51,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:51,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:34:51,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:51,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:34:51,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:34:51,237 INFO L87 Difference]: Start difference. First operand 11890 states and 16154 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 13:34:57,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:34:57,529 INFO L93 Difference]: Finished difference Result 25579 states and 35435 transitions. [2022-07-21 13:34:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 13:34:57,530 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 322 [2022-07-21 13:34:57,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:34:57,665 INFO L225 Difference]: With dead ends: 25579 [2022-07-21 13:34:57,665 INFO L226 Difference]: Without dead ends: 25575 [2022-07-21 13:34:57,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-21 13:34:57,692 INFO L413 NwaCegarLoop]: 2718 mSDtfsCounter, 2682 mSDsluCounter, 8338 mSDsCounter, 0 mSdLazyCounter, 3932 mSolverCounterSat, 951 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2907 SdHoareTripleChecker+Valid, 11056 SdHoareTripleChecker+Invalid, 4883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 951 IncrementalHoareTripleChecker+Valid, 3932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:34:57,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2907 Valid, 11056 Invalid, 4883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [951 Valid, 3932 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-21 13:34:57,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25575 states. [2022-07-21 13:34:58,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25575 to 23160. [2022-07-21 13:34:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23160 states, 16618 states have (on average 1.3007582139848357) internal successors, (21616), 16736 states have internal predecessors, (21616), 4945 states have call successors, (4945), 1585 states have call predecessors, (4945), 1594 states have return successors, (5111), 4876 states have call predecessors, (5111), 4937 states have call successors, (5111) [2022-07-21 13:34:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23160 states to 23160 states and 31672 transitions. [2022-07-21 13:34:58,645 INFO L78 Accepts]: Start accepts. Automaton has 23160 states and 31672 transitions. Word has length 322 [2022-07-21 13:34:58,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:34:58,646 INFO L495 AbstractCegarLoop]: Abstraction has 23160 states and 31672 transitions. [2022-07-21 13:34:58,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 13:34:58,646 INFO L276 IsEmpty]: Start isEmpty. Operand 23160 states and 31672 transitions. [2022-07-21 13:34:58,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-21 13:34:58,652 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:34:58,652 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 19, 19, 19, 19, 19, 19, 6, 5, 5, 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] [2022-07-21 13:34:58,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 13:34:58,653 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-07-21 13:34:58,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:34:58,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1690731087, now seen corresponding path program 1 times [2022-07-21 13:34:58,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:34:58,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583785053] [2022-07-21 13:34:58,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:34:58,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:34:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:34:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:34:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:34:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:34:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:34:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:34:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:34:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:34:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:34:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:34:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:34:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:34:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:58,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:34:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:34:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:34:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:34:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:34:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:34:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:34:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:34:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:34:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:34:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:34:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:34:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:34:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:34:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 13:34:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-21 13:34:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 13:34:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 13:34:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-21 13:34:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-21 13:34:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:34:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1853 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1843 trivial. 0 not checked. [2022-07-21 13:34:59,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:34:59,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583785053] [2022-07-21 13:34:59,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583785053] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:34:59,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:34:59,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:34:59,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234566409] [2022-07-21 13:34:59,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:34:59,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:34:59,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:34:59,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:34:59,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:34:59,338 INFO L87 Difference]: Start difference. First operand 23160 states and 31672 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-21 13:35:02,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:35:02,932 INFO L93 Difference]: Finished difference Result 25422 states and 35235 transitions. [2022-07-21 13:35:02,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:35:02,934 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 327 [2022-07-21 13:35:02,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:35:03,024 INFO L225 Difference]: With dead ends: 25422 [2022-07-21 13:35:03,025 INFO L226 Difference]: Without dead ends: 24823 [2022-07-21 13:35:03,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:35:03,043 INFO L413 NwaCegarLoop]: 2141 mSDtfsCounter, 2379 mSDsluCounter, 5479 mSDsCounter, 0 mSdLazyCounter, 2291 mSolverCounterSat, 607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2580 SdHoareTripleChecker+Valid, 7620 SdHoareTripleChecker+Invalid, 2898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 607 IncrementalHoareTripleChecker+Valid, 2291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:35:03,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2580 Valid, 7620 Invalid, 2898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [607 Valid, 2291 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 13:35:03,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24823 states. [2022-07-21 13:35:03,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24823 to 22645. [2022-07-21 13:35:03,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22645 states, 16248 states have (on average 1.301944854751354) internal successors, (21154), 16350 states have internal predecessors, (21154), 4848 states have call successors, (4848), 1536 states have call predecessors, (4848), 1546 states have return successors, (5018), 4792 states have call predecessors, (5018), 4844 states have call successors, (5018) [2022-07-21 13:35:04,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22645 states to 22645 states and 31020 transitions. [2022-07-21 13:35:04,080 INFO L78 Accepts]: Start accepts. Automaton has 22645 states and 31020 transitions. Word has length 327 [2022-07-21 13:35:04,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:35:04,081 INFO L495 AbstractCegarLoop]: Abstraction has 22645 states and 31020 transitions. [2022-07-21 13:35:04,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-21 13:35:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 22645 states and 31020 transitions. [2022-07-21 13:35:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-21 13:35:04,093 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:35:04,093 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:35:04,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 13:35:04,094 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)] === [2022-07-21 13:35:04,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:35:04,094 INFO L85 PathProgramCache]: Analyzing trace with hash 264071321, now seen corresponding path program 1 times [2022-07-21 13:35:04,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:35:04,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515368216] [2022-07-21 13:35:04,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:35:04,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:35:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:35:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:35:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:35:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:35:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:35:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:35:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:35:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:35:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:35:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:35:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:35:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:35:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:35:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:35:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:35:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:35:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:35:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:35:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:35:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:35:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:35:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:35:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:35:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:35:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:35:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 13:35:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 13:35:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 13:35:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-21 13:35:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 13:35:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 13:35:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 13:35:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:04,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2218 trivial. 0 not checked. [2022-07-21 13:35:04,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:35:04,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515368216] [2022-07-21 13:35:04,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515368216] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:35:04,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:35:04,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:35:04,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143885250] [2022-07-21 13:35:04,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:35:04,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:35:04,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:35:04,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:35:04,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:35:04,688 INFO L87 Difference]: Start difference. First operand 22645 states and 31020 transitions. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-21 13:35:09,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:35:09,796 INFO L93 Difference]: Finished difference Result 54910 states and 75880 transitions. [2022-07-21 13:35:09,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:35:09,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 382 [2022-07-21 13:35:09,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:35:09,932 INFO L225 Difference]: With dead ends: 54910 [2022-07-21 13:35:09,932 INFO L226 Difference]: Without dead ends: 32223 [2022-07-21 13:35:10,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:35:10,019 INFO L413 NwaCegarLoop]: 3913 mSDtfsCounter, 2234 mSDsluCounter, 5530 mSDsCounter, 0 mSdLazyCounter, 2698 mSolverCounterSat, 649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 9443 SdHoareTripleChecker+Invalid, 3347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 649 IncrementalHoareTripleChecker+Valid, 2698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:35:10,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 9443 Invalid, 3347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [649 Valid, 2698 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-21 13:35:10,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32223 states. [2022-07-21 13:35:11,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32223 to 29392. [2022-07-21 13:35:11,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29392 states, 21092 states have (on average 1.304048928503698) internal successors, (27505), 21221 states have internal predecessors, (27505), 6297 states have call successors, (6297), 1986 states have call predecessors, (6297), 2000 states have return successors, (6525), 6232 states have call predecessors, (6525), 6293 states have call successors, (6525) [2022-07-21 13:35:11,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29392 states to 29392 states and 40327 transitions. [2022-07-21 13:35:11,484 INFO L78 Accepts]: Start accepts. Automaton has 29392 states and 40327 transitions. Word has length 382 [2022-07-21 13:35:11,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:35:11,485 INFO L495 AbstractCegarLoop]: Abstraction has 29392 states and 40327 transitions. [2022-07-21 13:35:11,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 3 states have internal predecessors, (125), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-21 13:35:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 29392 states and 40327 transitions. [2022-07-21 13:35:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-21 13:35:11,498 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:35:11,498 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:35:11,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 13:35:11,498 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)] === [2022-07-21 13:35:11,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:35:11,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1775391799, now seen corresponding path program 1 times [2022-07-21 13:35:11,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:35:11,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327048831] [2022-07-21 13:35:11,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:35:11,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:35:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:35:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:35:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:35:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:35:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:35:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:35:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:35:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:35:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:35:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:35:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:35:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:35:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:35:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:35:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:35:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:35:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:35:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:35:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:35:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:35:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:35:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:35:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:35:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:35:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:35:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 13:35:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 13:35:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 13:35:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-21 13:35:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 13:35:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 13:35:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 13:35:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:12,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2254 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2243 trivial. 0 not checked. [2022-07-21 13:35:12,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:35:12,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327048831] [2022-07-21 13:35:12,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327048831] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:35:12,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:35:12,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:35:12,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386144254] [2022-07-21 13:35:12,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:35:12,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:35:12,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:35:12,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:35:12,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:35:12,321 INFO L87 Difference]: Start difference. First operand 29392 states and 40327 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 13:35:16,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:35:16,396 INFO L93 Difference]: Finished difference Result 70196 states and 96554 transitions. [2022-07-21 13:35:16,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:35:16,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 382 [2022-07-21 13:35:16,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:35:16,646 INFO L225 Difference]: With dead ends: 70196 [2022-07-21 13:35:16,646 INFO L226 Difference]: Without dead ends: 41174 [2022-07-21 13:35:16,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:35:16,716 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 1585 mSDsluCounter, 3183 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 1019 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 6206 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1019 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:35:16,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 6206 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1019 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 13:35:16,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41174 states. [2022-07-21 13:35:18,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41174 to 37087. [2022-07-21 13:35:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37087 states, 26665 states have (on average 1.2952559534970935) internal successors, (34538), 26816 states have internal predecessors, (34538), 7737 states have call successors, (7737), 2668 states have call predecessors, (7737), 2682 states have return successors, (7977), 7652 states have call predecessors, (7977), 7733 states have call successors, (7977) [2022-07-21 13:35:18,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37087 states to 37087 states and 50252 transitions. [2022-07-21 13:35:18,323 INFO L78 Accepts]: Start accepts. Automaton has 37087 states and 50252 transitions. Word has length 382 [2022-07-21 13:35:18,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:35:18,324 INFO L495 AbstractCegarLoop]: Abstraction has 37087 states and 50252 transitions. [2022-07-21 13:35:18,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 13:35:18,325 INFO L276 IsEmpty]: Start isEmpty. Operand 37087 states and 50252 transitions. [2022-07-21 13:35:18,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-21 13:35:18,348 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:35:18,348 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 20, 20, 20, 20, 20, 20, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:35:18,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 13:35:18,349 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)] === [2022-07-21 13:35:18,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:35:18,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1722098058, now seen corresponding path program 1 times [2022-07-21 13:35:18,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:35:18,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533907411] [2022-07-21 13:35:18,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:35:18,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:35:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:35:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:35:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:35:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:35:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:35:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:35:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:35:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:35:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:35:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:35:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:35:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:35:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:35:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:35:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:35:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:35:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:35:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:35:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:35:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:35:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:35:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:18,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:35:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:35:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:35:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:35:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 13:35:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 13:35:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 13:35:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-21 13:35:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 13:35:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-21 13:35:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 13:35:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-21 13:35:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-21 13:35:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-21 13:35:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 13:35:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:35:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 13:35:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:19,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2363 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2329 trivial. 0 not checked. [2022-07-21 13:35:19,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:35:19,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533907411] [2022-07-21 13:35:19,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533907411] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:35:19,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:35:19,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:35:19,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718443110] [2022-07-21 13:35:19,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:35:19,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:35:19,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:35:19,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:35:19,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:35:19,200 INFO L87 Difference]: Start difference. First operand 37087 states and 50252 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-21 13:35:25,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:35:26,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:35:26,158 INFO L93 Difference]: Finished difference Result 87550 states and 119767 transitions. [2022-07-21 13:35:26,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:35:26,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 444 [2022-07-21 13:35:26,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:35:26,355 INFO L225 Difference]: With dead ends: 87550 [2022-07-21 13:35:26,355 INFO L226 Difference]: Without dead ends: 50833 [2022-07-21 13:35:26,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:35:26,465 INFO L413 NwaCegarLoop]: 4001 mSDtfsCounter, 2181 mSDsluCounter, 5597 mSDsCounter, 0 mSdLazyCounter, 2741 mSolverCounterSat, 593 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2392 SdHoareTripleChecker+Valid, 9598 SdHoareTripleChecker+Invalid, 3334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 593 IncrementalHoareTripleChecker+Valid, 2741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:35:26,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2392 Valid, 9598 Invalid, 3334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [593 Valid, 2741 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-21 13:35:26,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50833 states. [2022-07-21 13:35:28,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50833 to 45895. [2022-07-21 13:35:28,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45895 states, 33041 states have (on average 1.2962682727520354) internal successors, (42830), 33216 states have internal predecessors, (42830), 9545 states have call successors, (9545), 3288 states have call predecessors, (9545), 3306 states have return successors, (9846), 9450 states have call predecessors, (9846), 9541 states have call successors, (9846) [2022-07-21 13:35:28,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45895 states to 45895 states and 62221 transitions. [2022-07-21 13:35:28,282 INFO L78 Accepts]: Start accepts. Automaton has 45895 states and 62221 transitions. Word has length 444 [2022-07-21 13:35:28,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:35:28,283 INFO L495 AbstractCegarLoop]: Abstraction has 45895 states and 62221 transitions. [2022-07-21 13:35:28,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 3 states have internal predecessors, (141), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-21 13:35:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 45895 states and 62221 transitions. [2022-07-21 13:35:28,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2022-07-21 13:35:28,308 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:35:28,309 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 20, 20, 20, 20, 20, 20, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:35:28,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 13:35:28,309 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)] === [2022-07-21 13:35:28,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:35:28,310 INFO L85 PathProgramCache]: Analyzing trace with hash 809473684, now seen corresponding path program 1 times [2022-07-21 13:35:28,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:35:28,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922989658] [2022-07-21 13:35:28,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:35:28,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:35:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:35:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:35:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:35:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:35:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:35:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:35:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:35:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:35:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:35:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:35:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:35:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:35:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:35:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:35:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:35:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:35:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:35:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:35:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:35:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:35:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:35:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:35:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:35:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:35:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:35:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 13:35:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 13:35:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 13:35:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-21 13:35:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 13:35:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-21 13:35:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 13:35:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 13:35:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-21 13:35:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-21 13:35:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-21 13:35:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 13:35:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-21 13:35:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-21 13:35:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 13:35:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2517 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2502 trivial. 0 not checked. [2022-07-21 13:35:29,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:35:29,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922989658] [2022-07-21 13:35:29,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922989658] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:35:29,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:35:29,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:35:29,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129083752] [2022-07-21 13:35:29,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:35:29,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:35:29,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:35:29,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:35:29,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:35:29,014 INFO L87 Difference]: Start difference. First operand 45895 states and 62221 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-21 13:35:34,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:35:34,297 INFO L93 Difference]: Finished difference Result 119510 states and 163590 transitions. [2022-07-21 13:35:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:35:34,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 468 [2022-07-21 13:35:34,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:35:34,736 INFO L225 Difference]: With dead ends: 119510 [2022-07-21 13:35:34,736 INFO L226 Difference]: Without dead ends: 73985 [2022-07-21 13:35:34,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:35:34,835 INFO L413 NwaCegarLoop]: 4089 mSDtfsCounter, 2600 mSDsluCounter, 3857 mSDsCounter, 0 mSdLazyCounter, 1714 mSolverCounterSat, 1075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2827 SdHoareTripleChecker+Valid, 7946 SdHoareTripleChecker+Invalid, 2789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 1714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:35:34,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2827 Valid, 7946 Invalid, 2789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1075 Valid, 1714 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 13:35:34,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73985 states. [2022-07-21 13:35:37,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73985 to 66440. [2022-07-21 13:35:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66440 states, 47991 states have (on average 1.2960138359275697) internal successors, (62197), 48248 states have internal predecessors, (62197), 13654 states have call successors, (13654), 4764 states have call predecessors, (13654), 4792 states have return successors, (14085), 13514 states have call predecessors, (14085), 13650 states have call successors, (14085) [2022-07-21 13:35:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66440 states to 66440 states and 89936 transitions. [2022-07-21 13:35:37,548 INFO L78 Accepts]: Start accepts. Automaton has 66440 states and 89936 transitions. Word has length 468 [2022-07-21 13:35:37,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:35:37,549 INFO L495 AbstractCegarLoop]: Abstraction has 66440 states and 89936 transitions. [2022-07-21 13:35:37,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-21 13:35:37,549 INFO L276 IsEmpty]: Start isEmpty. Operand 66440 states and 89936 transitions. [2022-07-21 13:35:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2022-07-21 13:35:37,578 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:35:37,578 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:35:37,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 13:35:37,578 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)] === [2022-07-21 13:35:37,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:35:37,579 INFO L85 PathProgramCache]: Analyzing trace with hash 83876663, now seen corresponding path program 1 times [2022-07-21 13:35:37,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:35:37,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922741765] [2022-07-21 13:35:37,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:35:37,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:35:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:35:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:35:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:35:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:35:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:35:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:35:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:35:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:35:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:35:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:35:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:35:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:35:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:35:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:35:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:35:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:35:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:35:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:35:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:35:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:35:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:35:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:35:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:35:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:35:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:35:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 13:35:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 13:35:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 13:35:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-21 13:35:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 13:35:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 13:35:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:35:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-21 13:35:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 13:35:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-21 13:35:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-21 13:35:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 13:35:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-21 13:35:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-21 13:35:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-21 13:35:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-21 13:35:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-21 13:35:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 13:35:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3668 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3643 trivial. 0 not checked. [2022-07-21 13:35:38,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:35:38,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922741765] [2022-07-21 13:35:38,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922741765] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:35:38,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:35:38,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:35:38,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117254716] [2022-07-21 13:35:38,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:35:38,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:35:38,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:35:38,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:35:38,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:35:38,396 INFO L87 Difference]: Start difference. First operand 66440 states and 89936 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-21 13:35:44,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:35:44,038 INFO L93 Difference]: Finished difference Result 155182 states and 211047 transitions. [2022-07-21 13:35:44,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:35:44,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 598 [2022-07-21 13:35:44,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:35:44,555 INFO L225 Difference]: With dead ends: 155182 [2022-07-21 13:35:44,555 INFO L226 Difference]: Without dead ends: 88342 [2022-07-21 13:35:44,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:35:44,704 INFO L413 NwaCegarLoop]: 3031 mSDtfsCounter, 1576 mSDsluCounter, 3203 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 1004 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 6234 SdHoareTripleChecker+Invalid, 2491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1004 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:35:44,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1704 Valid, 6234 Invalid, 2491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1004 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-21 13:35:44,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88342 states. [2022-07-21 13:35:47,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88342 to 78781. [2022-07-21 13:35:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78781 states, 56997 states have (on average 1.2905942418022) internal successors, (73560), 57286 states have internal predecessors, (73560), 15873 states have call successors, (15873), 5880 states have call predecessors, (15873), 5908 states have return successors, (16319), 15703 states have call predecessors, (16319), 15869 states have call successors, (16319) [2022-07-21 13:35:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78781 states to 78781 states and 105752 transitions. [2022-07-21 13:35:47,825 INFO L78 Accepts]: Start accepts. Automaton has 78781 states and 105752 transitions. Word has length 598 [2022-07-21 13:35:47,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:35:47,826 INFO L495 AbstractCegarLoop]: Abstraction has 78781 states and 105752 transitions. [2022-07-21 13:35:47,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 3 states have internal predecessors, (145), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-21 13:35:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 78781 states and 105752 transitions. [2022-07-21 13:35:47,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2022-07-21 13:35:47,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:35:47,852 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 21, 21, 21, 20, 20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:35:47,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 13:35:47,852 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)] === [2022-07-21 13:35:47,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:35:47,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1968548341, now seen corresponding path program 1 times [2022-07-21 13:35:47,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:35:47,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669225575] [2022-07-21 13:35:47,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:35:47,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:35:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:35:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:35:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:35:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:35:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:35:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:35:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:35:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:35:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 13:35:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 13:35:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 13:35:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 13:35:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 13:35:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:35:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 13:35:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 13:35:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 13:35:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:35:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 13:35:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 13:35:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 13:35:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:35:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 13:35:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 13:35:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 13:35:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 13:35:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 13:35:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 13:35:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-21 13:35:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 13:35:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 13:35:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:35:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-21 13:35:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 13:35:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-21 13:35:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-21 13:35:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 13:35:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-21 13:35:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-21 13:35:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:35:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:35:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-21 13:35:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-21 13:35:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-21 13:35:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:35:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 13:35:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:35:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3669 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3643 trivial. 0 not checked. [2022-07-21 13:35:48,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:35:48,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669225575] [2022-07-21 13:35:48,767 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669225575] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:35:48,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:35:48,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:35:48,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460893743] [2022-07-21 13:35:48,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:35:48,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:35:48,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:35:48,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:35:48,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:35:48,770 INFO L87 Difference]: Start difference. First operand 78781 states and 105752 transitions. Second operand has 5 states, 5 states have (on average 29.2) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-07-21 13:35:55,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:35:55,669 INFO L93 Difference]: Finished difference Result 189638 states and 256069 transitions. [2022-07-21 13:35:55,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:35:55,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.2) internal successors, (146), 3 states have internal predecessors, (146), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 598 [2022-07-21 13:35:55,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:35:56,130 INFO L225 Difference]: With dead ends: 189638 [2022-07-21 13:35:56,130 INFO L226 Difference]: Without dead ends: 111227 [2022-07-21 13:35:56,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:35:56,324 INFO L413 NwaCegarLoop]: 3239 mSDtfsCounter, 1877 mSDsluCounter, 3290 mSDsCounter, 0 mSdLazyCounter, 1565 mSolverCounterSat, 1075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 6529 SdHoareTripleChecker+Invalid, 2640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 1565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:35:56,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 6529 Invalid, 2640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1075 Valid, 1565 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-21 13:35:56,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111227 states.