./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.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 d291badf6e321259e0b1b1625d2ed48867e61016cda7885a720272c3e12df877 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:05:43,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:05:43,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:05:43,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:05:43,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:05:43,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:05:43,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:05:43,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:05:43,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:05:43,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:05:43,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:05:43,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:05:43,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:05:43,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:05:43,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:05:43,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:05:43,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:05:43,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:05:43,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:05:43,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:05:43,941 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:05:43,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:05:43,944 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:05:43,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:05:43,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:05:43,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:05:43,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:05:43,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:05:43,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:05:43,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:05:43,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:05:43,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:05:43,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:05:43,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:05:43,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:05:43,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:05:43,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:05:43,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:05:43,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:05:43,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:05:43,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:05:43,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:05:43,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:05:43,981 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:05:43,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:05:43,981 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:05:43,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:05:43,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:05:43,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:05:43,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:05:43,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:05:43,983 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:05:43,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:05:43,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:05:43,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:05:43,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:05:43,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:05:43,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:05:43,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:05:43,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:05:43,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:05:43,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:05:43,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:05:43,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:05:43,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:05:43,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:05:43,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:05:43,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:05:43,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:05:43,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:05:43,987 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:05:43,987 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:05:43,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:05:43,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d291badf6e321259e0b1b1625d2ed48867e61016cda7885a720272c3e12df877 [2022-07-14 03:05:44,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:05:44,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:05:44,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:05:44,190 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:05:44,191 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:05:44,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-07-14 03:05:44,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6bfce9e/de1be70bf9724934903165c0cb67b073/FLAG78587646b [2022-07-14 03:05:44,938 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:05:44,938 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-07-14 03:05:45,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6bfce9e/de1be70bf9724934903165c0cb67b073/FLAG78587646b [2022-07-14 03:05:45,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6bfce9e/de1be70bf9724934903165c0cb67b073 [2022-07-14 03:05:45,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:05:45,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:05:45,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:05:45,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:05:45,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:05:45,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:05:45" (1/1) ... [2022-07-14 03:05:45,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2891436d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:45, skipping insertion in model container [2022-07-14 03:05:45,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:05:45" (1/1) ... [2022-07-14 03:05:45,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:05:45,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:05:48,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2022-07-14 03:05:48,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2022-07-14 03:05:48,703 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2022-07-14 03:05:48,704 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2022-07-14 03:05:48,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:05:48,741 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:05:49,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2022-07-14 03:05:49,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2022-07-14 03:05:49,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2022-07-14 03:05:49,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2022-07-14 03:05:49,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:05:49,214 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:05:49,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49 WrapperNode [2022-07-14 03:05:49,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:05:49,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:05:49,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:05:49,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:05:49,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49" (1/1) ... [2022-07-14 03:05:49,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49" (1/1) ... [2022-07-14 03:05:49,450 INFO L137 Inliner]: procedures = 522, calls = 2018, calls flagged for inlining = 218, calls inlined = 177, statements flattened = 5279 [2022-07-14 03:05:49,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:05:49,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:05:49,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:05:49,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:05:49,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49" (1/1) ... [2022-07-14 03:05:49,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49" (1/1) ... [2022-07-14 03:05:49,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49" (1/1) ... [2022-07-14 03:05:49,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49" (1/1) ... [2022-07-14 03:05:49,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49" (1/1) ... [2022-07-14 03:05:49,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49" (1/1) ... [2022-07-14 03:05:49,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49" (1/1) ... [2022-07-14 03:05:49,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:05:49,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:05:49,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:05:49,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:05:49,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49" (1/1) ... [2022-07-14 03:05:49,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:05:49,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:05:49,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 03:05:49,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 03:05:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2022-07-14 03:05:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2022-07-14 03:05:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-14 03:05:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2022-07-14 03:05:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2022-07-14 03:05:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2022-07-14 03:05:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2022-07-14 03:05:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2022-07-14 03:05:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2022-07-14 03:05:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:05:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:05:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-14 03:05:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-14 03:05:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:05:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:05:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-14 03:05:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-14 03:05:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 03:05:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 03:05:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2022-07-14 03:05:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2022-07-14 03:05:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2022-07-14 03:05:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2022-07-14 03:05:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 03:05:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 03:05:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2022-07-14 03:05:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2022-07-14 03:05:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-07-14 03:05:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-07-14 03:05:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2022-07-14 03:05:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2022-07-14 03:05:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-14 03:05:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-14 03:05:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2022-07-14 03:05:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2022-07-14 03:05:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:05:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:05:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2022-07-14 03:05:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2022-07-14 03:05:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-14 03:05:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:05:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:05:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2022-07-14 03:05:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2022-07-14 03:05:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:05:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2022-07-14 03:05:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2022-07-14 03:05:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 03:05:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 03:05:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2022-07-14 03:05:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2022-07-14 03:05:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 03:05:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 03:05:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 03:05:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2022-07-14 03:05:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2022-07-14 03:05:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2022-07-14 03:05:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2022-07-14 03:05:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 03:05:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:05:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:05:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2022-07-14 03:05:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2022-07-14 03:05:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2022-07-14 03:05:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2022-07-14 03:05:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2022-07-14 03:05:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2022-07-14 03:05:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 03:05:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2022-07-14 03:05:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2022-07-14 03:05:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2022-07-14 03:05:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2022-07-14 03:05:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:05:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:05:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2022-07-14 03:05:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2022-07-14 03:05:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 03:05:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 03:05:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-14 03:05:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-14 03:05:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 03:05:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 03:05:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2022-07-14 03:05:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2022-07-14 03:05:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:05:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:05:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:05:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:05:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:05:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2022-07-14 03:05:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2022-07-14 03:05:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2022-07-14 03:05:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2022-07-14 03:05:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-14 03:05:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-14 03:05:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:05:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2022-07-14 03:05:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2022-07-14 03:05:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-07-14 03:05:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-07-14 03:05:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:05:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:05:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:05:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2022-07-14 03:05:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2022-07-14 03:05:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2022-07-14 03:05:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2022-07-14 03:05:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:05:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:05:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2022-07-14 03:05:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2022-07-14 03:05:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2022-07-14 03:05:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2022-07-14 03:05:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-14 03:05:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-14 03:05:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:05:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:05:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2022-07-14 03:05:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2022-07-14 03:05:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2022-07-14 03:05:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2022-07-14 03:05:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 03:05:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 03:05:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2022-07-14 03:05:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2022-07-14 03:05:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:05:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:05:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 03:05:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 03:05:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:05:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:05:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:05:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:05:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2022-07-14 03:05:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2022-07-14 03:05:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 03:05:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 03:05:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2022-07-14 03:05:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2022-07-14 03:05:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2022-07-14 03:05:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2022-07-14 03:05:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-14 03:05:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-14 03:05:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2022-07-14 03:05:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2022-07-14 03:05:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2022-07-14 03:05:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2022-07-14 03:05:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2022-07-14 03:05:49,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2022-07-14 03:05:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2022-07-14 03:05:49,778 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2022-07-14 03:05:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2022-07-14 03:05:49,778 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2022-07-14 03:05:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2022-07-14 03:05:49,778 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2022-07-14 03:05:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2022-07-14 03:05:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2022-07-14 03:05:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-07-14 03:05:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-07-14 03:05:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-07-14 03:05:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-07-14 03:05:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2022-07-14 03:05:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2022-07-14 03:05:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2022-07-14 03:05:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2022-07-14 03:05:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2022-07-14 03:05:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2022-07-14 03:05:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 03:05:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 03:05:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-14 03:05:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-14 03:05:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2022-07-14 03:05:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2022-07-14 03:05:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2022-07-14 03:05:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2022-07-14 03:05:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-14 03:05:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-14 03:05:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:05:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 03:05:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 03:05:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2022-07-14 03:05:49,782 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2022-07-14 03:05:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2022-07-14 03:05:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2022-07-14 03:05:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2022-07-14 03:05:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2022-07-14 03:05:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:05:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2022-07-14 03:05:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2022-07-14 03:05:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-14 03:05:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-14 03:05:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:05:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2022-07-14 03:05:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2022-07-14 03:05:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-07-14 03:05:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-07-14 03:05:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 03:05:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 03:05:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 03:05:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 03:05:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2022-07-14 03:05:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2022-07-14 03:05:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:05:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:05:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2022-07-14 03:05:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2022-07-14 03:05:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:05:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:05:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2022-07-14 03:05:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2022-07-14 03:05:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2022-07-14 03:05:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2022-07-14 03:05:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 03:05:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 03:05:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2022-07-14 03:05:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2022-07-14 03:05:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2022-07-14 03:05:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2022-07-14 03:05:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2022-07-14 03:05:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2022-07-14 03:05:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2022-07-14 03:05:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2022-07-14 03:05:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 03:05:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 03:05:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 03:05:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 03:05:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2022-07-14 03:05:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2022-07-14 03:05:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 03:05:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2022-07-14 03:05:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2022-07-14 03:05:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2022-07-14 03:05:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2022-07-14 03:05:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:05:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:05:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2022-07-14 03:05:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2022-07-14 03:05:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2022-07-14 03:05:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2022-07-14 03:05:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-07-14 03:05:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 03:05:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 03:05:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 03:05:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 03:05:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2022-07-14 03:05:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2022-07-14 03:05:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:05:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:05:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2022-07-14 03:05:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2022-07-14 03:05:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 03:05:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 03:05:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-07-14 03:05:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-07-14 03:05:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2022-07-14 03:05:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2022-07-14 03:05:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2022-07-14 03:05:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2022-07-14 03:05:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2022-07-14 03:05:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2022-07-14 03:05:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 03:05:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 03:05:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 03:05:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2022-07-14 03:05:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2022-07-14 03:05:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:05:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:05:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2022-07-14 03:05:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2022-07-14 03:05:50,549 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:05:50,554 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:05:51,002 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:05:52,634 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:05:52,728 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:05:52,750 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:05:52,751 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 03:05:52,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:05:52 BoogieIcfgContainer [2022-07-14 03:05:52,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:05:52,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:05:52,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:05:52,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:05:52,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:05:45" (1/3) ... [2022-07-14 03:05:52,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3448ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:05:52, skipping insertion in model container [2022-07-14 03:05:52,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:05:49" (2/3) ... [2022-07-14 03:05:52,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3448ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:05:52, skipping insertion in model container [2022-07-14 03:05:52,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:05:52" (3/3) ... [2022-07-14 03:05:52,762 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-07-14 03:05:52,772 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:05:52,772 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-14 03:05:52,863 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:05:52,867 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@35e93ead, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@70e7b2a3 [2022-07-14 03:05:52,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-14 03:05:52,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 2153 states, 1431 states have (on average 1.2858141160027952) internal successors, (1840), 1482 states have internal predecessors, (1840), 594 states have call successors, (594), 125 states have call predecessors, (594), 124 states have return successors, (588), 565 states have call predecessors, (588), 588 states have call successors, (588) [2022-07-14 03:05:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-07-14 03:05:52,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:05:52,893 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:05:52,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 03:05:52,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:05:52,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1074380420, now seen corresponding path program 1 times [2022-07-14 03:05:52,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:05:52,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354350832] [2022-07-14 03:05:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:05:52,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:05:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:05:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:05:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:05:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:05:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:05:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:05:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:05:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:05:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:05:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:05:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:05:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:05:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:05:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:05:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:05:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:05:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:05:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:05:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:05:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:05:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:05:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:05:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:05:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:05:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:05:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:05:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:05:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:05:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:05:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:05:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:05:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:05:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 03:05:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 03:05:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:05:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-14 03:05:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-14 03:05:53,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:05:53,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354350832] [2022-07-14 03:05:53,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354350832] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:05:53,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:05:53,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:05:53,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439975088] [2022-07-14 03:05:53,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:05:53,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:05:53,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:05:53,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:05:53,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:05:53,985 INFO L87 Difference]: Start difference. First operand has 2153 states, 1431 states have (on average 1.2858141160027952) internal successors, (1840), 1482 states have internal predecessors, (1840), 594 states have call successors, (594), 125 states have call predecessors, (594), 124 states have return successors, (588), 565 states have call predecessors, (588), 588 states have call successors, (588) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-14 03:05:58,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:05:58,349 INFO L93 Difference]: Finished difference Result 6593 states and 9535 transitions. [2022-07-14 03:05:58,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:05:58,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 398 [2022-07-14 03:05:58,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:05:58,407 INFO L225 Difference]: With dead ends: 6593 [2022-07-14 03:05:58,407 INFO L226 Difference]: Without dead ends: 4501 [2022-07-14 03:05:58,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:05:58,425 INFO L413 NwaCegarLoop]: 3241 mSDtfsCounter, 3926 mSDsluCounter, 3123 mSDsCounter, 0 mSdLazyCounter, 2468 mSolverCounterSat, 1790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4371 SdHoareTripleChecker+Valid, 6364 SdHoareTripleChecker+Invalid, 4258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1790 IncrementalHoareTripleChecker+Valid, 2468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-14 03:05:58,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4371 Valid, 6364 Invalid, 4258 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1790 Valid, 2468 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-14 03:05:58,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4501 states. [2022-07-14 03:05:58,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4501 to 4115. [2022-07-14 03:05:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4115 states, 2758 states have (on average 1.2828136330674402) internal successors, (3538), 2858 states have internal predecessors, (3538), 1110 states have call successors, (1110), 244 states have call predecessors, (1110), 243 states have return successors, (1106), 1060 states have call predecessors, (1106), 1106 states have call successors, (1106) [2022-07-14 03:05:58,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4115 states to 4115 states and 5754 transitions. [2022-07-14 03:05:58,695 INFO L78 Accepts]: Start accepts. Automaton has 4115 states and 5754 transitions. Word has length 398 [2022-07-14 03:05:58,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:05:58,696 INFO L495 AbstractCegarLoop]: Abstraction has 4115 states and 5754 transitions. [2022-07-14 03:05:58,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-14 03:05:58,696 INFO L276 IsEmpty]: Start isEmpty. Operand 4115 states and 5754 transitions. [2022-07-14 03:05:58,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-07-14 03:05:58,701 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:05:58,702 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:05:58,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 03:05:58,702 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 03:05:58,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:05:58,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1293159244, now seen corresponding path program 1 times [2022-07-14 03:05:58,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:05:58,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581098613] [2022-07-14 03:05:58,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:05:58,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:05:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:05:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:05:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:05:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:05:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:05:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:05:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:05:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:05:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:05:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:05:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:58,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:05:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:05:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:05:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:05:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:05:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:05:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:05:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:05:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:05:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:05:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:05:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:05:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:05:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:05:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:05:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:05:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:05:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:05:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:05:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:05:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:05:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:05:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 03:05:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 03:05:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:05:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-14 03:05:59,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:05:59,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581098613] [2022-07-14 03:05:59,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581098613] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:05:59,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:05:59,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 03:05:59,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336507200] [2022-07-14 03:05:59,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:05:59,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 03:05:59,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:05:59,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 03:05:59,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:05:59,350 INFO L87 Difference]: Start difference. First operand 4115 states and 5754 transitions. Second operand has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 03:06:08,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:08,524 INFO L93 Difference]: Finished difference Result 12933 states and 18271 transitions. [2022-07-14 03:06:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 03:06:08,524 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 406 [2022-07-14 03:06:08,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:08,570 INFO L225 Difference]: With dead ends: 12933 [2022-07-14 03:06:08,571 INFO L226 Difference]: Without dead ends: 8891 [2022-07-14 03:06:08,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-07-14 03:06:08,591 INFO L413 NwaCegarLoop]: 3559 mSDtfsCounter, 13206 mSDsluCounter, 5424 mSDsCounter, 0 mSdLazyCounter, 6310 mSolverCounterSat, 7022 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14045 SdHoareTripleChecker+Valid, 8983 SdHoareTripleChecker+Invalid, 13332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7022 IncrementalHoareTripleChecker+Valid, 6310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:08,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14045 Valid, 8983 Invalid, 13332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7022 Valid, 6310 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-07-14 03:06:08,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8891 states. [2022-07-14 03:06:08,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8891 to 8039. [2022-07-14 03:06:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8039 states, 5420 states have (on average 1.2839483394833948) internal successors, (6959), 5620 states have internal predecessors, (6959), 2126 states have call successors, (2126), 490 states have call predecessors, (2126), 489 states have return successors, (2122), 2024 states have call predecessors, (2122), 2122 states have call successors, (2122) [2022-07-14 03:06:08,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8039 states to 8039 states and 11207 transitions. [2022-07-14 03:06:08,968 INFO L78 Accepts]: Start accepts. Automaton has 8039 states and 11207 transitions. Word has length 406 [2022-07-14 03:06:08,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:08,970 INFO L495 AbstractCegarLoop]: Abstraction has 8039 states and 11207 transitions. [2022-07-14 03:06:08,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 03:06:08,970 INFO L276 IsEmpty]: Start isEmpty. Operand 8039 states and 11207 transitions. [2022-07-14 03:06:08,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-07-14 03:06:08,975 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:08,976 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:06:08,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 03:06:08,976 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 03:06:08,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:08,977 INFO L85 PathProgramCache]: Analyzing trace with hash -550548833, now seen corresponding path program 1 times [2022-07-14 03:06:08,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:06:08,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311302486] [2022-07-14 03:06:08,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:08,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:06:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:06:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:06:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:06:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:06:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:06:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:06:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:06:09,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:06:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:06:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:06:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:06:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:06:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:06:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:06:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:06:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:06:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:06:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:06:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:06:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:06:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:06:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:06:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:06:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:06:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:06:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:06:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:06:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:06:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:06:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:06:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:06:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:06:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 03:06:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 03:06:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:06:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-14 03:06:09,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:06:09,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311302486] [2022-07-14 03:06:09,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311302486] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:06:09,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:06:09,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:06:09,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741822210] [2022-07-14 03:06:09,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:09,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:06:09,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:06:09,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:06:09,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:06:09,649 INFO L87 Difference]: Start difference. First operand 8039 states and 11207 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 03:06:13,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:13,743 INFO L93 Difference]: Finished difference Result 23016 states and 32420 transitions. [2022-07-14 03:06:13,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:06:13,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 407 [2022-07-14 03:06:13,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:13,850 INFO L225 Difference]: With dead ends: 23016 [2022-07-14 03:06:13,850 INFO L226 Difference]: Without dead ends: 15050 [2022-07-14 03:06:13,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:06:13,900 INFO L413 NwaCegarLoop]: 3219 mSDtfsCounter, 3845 mSDsluCounter, 3088 mSDsCounter, 0 mSdLazyCounter, 2504 mSolverCounterSat, 1837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4284 SdHoareTripleChecker+Valid, 6307 SdHoareTripleChecker+Invalid, 4341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1837 IncrementalHoareTripleChecker+Valid, 2504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:13,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4284 Valid, 6307 Invalid, 4341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1837 Valid, 2504 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-14 03:06:13,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15050 states. [2022-07-14 03:06:14,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15050 to 13675. [2022-07-14 03:06:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13675 states, 9203 states have (on average 1.2838204933173964) internal successors, (11815), 9557 states have internal predecessors, (11815), 3610 states have call successors, (3610), 859 states have call predecessors, (3610), 858 states have return successors, (3606), 3426 states have call predecessors, (3606), 3606 states have call successors, (3606) [2022-07-14 03:06:14,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13675 states to 13675 states and 19031 transitions. [2022-07-14 03:06:14,580 INFO L78 Accepts]: Start accepts. Automaton has 13675 states and 19031 transitions. Word has length 407 [2022-07-14 03:06:14,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:14,581 INFO L495 AbstractCegarLoop]: Abstraction has 13675 states and 19031 transitions. [2022-07-14 03:06:14,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 03:06:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 13675 states and 19031 transitions. [2022-07-14 03:06:14,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-07-14 03:06:14,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:14,587 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:06:14,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 03:06:14,587 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 03:06:14,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:14,588 INFO L85 PathProgramCache]: Analyzing trace with hash 541007103, now seen corresponding path program 1 times [2022-07-14 03:06:14,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:06:14,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525434690] [2022-07-14 03:06:14,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:14,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:06:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:06:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:06:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:06:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:06:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:06:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:06:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:06:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:06:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:06:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:06:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:06:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:06:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:06:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:06:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:06:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:06:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:06:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:06:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:06:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:06:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:06:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:06:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:06:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:06:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:06:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:06:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:06:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:06:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:06:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:06:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:06:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:06:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 03:06:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 03:06:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:06:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:15,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-14 03:06:15,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:06:15,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525434690] [2022-07-14 03:06:15,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525434690] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:06:15,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:06:15,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:06:15,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053402606] [2022-07-14 03:06:15,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:15,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:06:15,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:06:15,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:06:15,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:06:15,150 INFO L87 Difference]: Start difference. First operand 13675 states and 19031 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 03:06:19,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:19,062 INFO L93 Difference]: Finished difference Result 36596 states and 51188 transitions. [2022-07-14 03:06:19,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:06:19,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 408 [2022-07-14 03:06:19,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:19,160 INFO L225 Difference]: With dead ends: 36596 [2022-07-14 03:06:19,160 INFO L226 Difference]: Without dead ends: 22994 [2022-07-14 03:06:19,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:06:19,214 INFO L413 NwaCegarLoop]: 4497 mSDtfsCounter, 3525 mSDsluCounter, 3816 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 1547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3965 SdHoareTripleChecker+Valid, 8313 SdHoareTripleChecker+Invalid, 4077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1547 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:19,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3965 Valid, 8313 Invalid, 4077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1547 Valid, 2530 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-14 03:06:19,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22994 states. [2022-07-14 03:06:19,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22994 to 20921. [2022-07-14 03:06:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20921 states, 13987 states have (on average 1.277686423107171) internal successors, (17871), 14581 states have internal predecessors, (17871), 5502 states have call successors, (5502), 1429 states have call predecessors, (5502), 1428 states have return successors, (5498), 5158 states have call predecessors, (5498), 5498 states have call successors, (5498) [2022-07-14 03:06:20,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20921 states to 20921 states and 28871 transitions. [2022-07-14 03:06:20,072 INFO L78 Accepts]: Start accepts. Automaton has 20921 states and 28871 transitions. Word has length 408 [2022-07-14 03:06:20,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:20,074 INFO L495 AbstractCegarLoop]: Abstraction has 20921 states and 28871 transitions. [2022-07-14 03:06:20,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-14 03:06:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 20921 states and 28871 transitions. [2022-07-14 03:06:20,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-14 03:06:20,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:20,080 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:06:20,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 03:06:20,080 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 03:06:20,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:20,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1189298755, now seen corresponding path program 1 times [2022-07-14 03:06:20,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:06:20,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954710027] [2022-07-14 03:06:20,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:20,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:06:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:06:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:06:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:06:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:06:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:06:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:06:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:06:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:06:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:06:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:06:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:06:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:06:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:06:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:06:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:06:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:06:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:06:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:06:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:06:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:06:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:06:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:06:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:06:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:06:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:06:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:06:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:06:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:06:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:06:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:06:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:06:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:06:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 03:06:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 03:06:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:06:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 03:06:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:20,661 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-14 03:06:20,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:06:20,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954710027] [2022-07-14 03:06:20,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954710027] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:06:20,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:06:20,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:06:20,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071976454] [2022-07-14 03:06:20,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:20,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:06:20,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:06:20,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:06:20,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:06:20,665 INFO L87 Difference]: Start difference. First operand 20921 states and 28871 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-14 03:06:25,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:25,048 INFO L93 Difference]: Finished difference Result 65261 states and 90966 transitions. [2022-07-14 03:06:25,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:06:25,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 412 [2022-07-14 03:06:25,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:25,222 INFO L225 Difference]: With dead ends: 65261 [2022-07-14 03:06:25,222 INFO L226 Difference]: Without dead ends: 44413 [2022-07-14 03:06:25,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:06:25,293 INFO L413 NwaCegarLoop]: 3278 mSDtfsCounter, 3900 mSDsluCounter, 3162 mSDsCounter, 0 mSdLazyCounter, 2473 mSolverCounterSat, 1823 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4353 SdHoareTripleChecker+Valid, 6440 SdHoareTripleChecker+Invalid, 4296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1823 IncrementalHoareTripleChecker+Valid, 2473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:25,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4353 Valid, 6440 Invalid, 4296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1823 Valid, 2473 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-14 03:06:25,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44413 states. [2022-07-14 03:06:26,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44413 to 40392. [2022-07-14 03:06:26,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40392 states, 27077 states have (on average 1.2771355763193855) internal successors, (34581), 28238 states have internal predecessors, (34581), 10533 states have call successors, (10533), 2779 states have call predecessors, (10533), 2778 states have return successors, (10529), 9862 states have call predecessors, (10529), 10529 states have call successors, (10529) [2022-07-14 03:06:26,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40392 states to 40392 states and 55643 transitions. [2022-07-14 03:06:26,985 INFO L78 Accepts]: Start accepts. Automaton has 40392 states and 55643 transitions. Word has length 412 [2022-07-14 03:06:26,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:26,986 INFO L495 AbstractCegarLoop]: Abstraction has 40392 states and 55643 transitions. [2022-07-14 03:06:26,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-14 03:06:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 40392 states and 55643 transitions. [2022-07-14 03:06:26,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-14 03:06:26,991 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:26,991 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:06:26,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 03:06:26,992 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 03:06:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:26,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1220416002, now seen corresponding path program 1 times [2022-07-14 03:06:26,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:06:26,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151825085] [2022-07-14 03:06:26,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:26,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:06:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:06:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:06:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:06:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:06:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:06:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:06:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:06:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:06:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:06:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:06:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:06:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:06:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:06:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:06:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:06:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:06:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:06:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:06:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:06:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:06:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:06:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:06:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:06:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:06:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:06:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:06:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:06:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:06:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:06:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:06:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:06:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:06:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 03:06:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 03:06:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:06:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-14 03:06:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-14 03:06:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-14 03:06:27,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:06:27,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151825085] [2022-07-14 03:06:27,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151825085] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:06:27,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:06:27,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:06:27,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203093202] [2022-07-14 03:06:27,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:27,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:06:27,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:06:27,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:06:27,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:06:27,562 INFO L87 Difference]: Start difference. First operand 40392 states and 55643 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-14 03:06:32,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:32,904 INFO L93 Difference]: Finished difference Result 123581 states and 172093 transitions. [2022-07-14 03:06:32,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:06:32,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 418 [2022-07-14 03:06:32,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:33,380 INFO L225 Difference]: With dead ends: 123581 [2022-07-14 03:06:33,380 INFO L226 Difference]: Without dead ends: 83262 [2022-07-14 03:06:33,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:06:33,556 INFO L413 NwaCegarLoop]: 3618 mSDtfsCounter, 3688 mSDsluCounter, 3173 mSDsCounter, 0 mSdLazyCounter, 2486 mSolverCounterSat, 1735 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4140 SdHoareTripleChecker+Valid, 6791 SdHoareTripleChecker+Invalid, 4221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1735 IncrementalHoareTripleChecker+Valid, 2486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:33,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4140 Valid, 6791 Invalid, 4221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1735 Valid, 2486 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-14 03:06:33,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83262 states. [2022-07-14 03:06:35,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83262 to 75671. [2022-07-14 03:06:35,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75671 states, 50997 states have (on average 1.276624115144028) internal successors, (65104), 53084 states have internal predecessors, (65104), 19517 states have call successors, (19517), 5154 states have call predecessors, (19517), 5153 states have return successors, (19513), 18356 states have call predecessors, (19513), 19513 states have call successors, (19513) [2022-07-14 03:06:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75671 states to 75671 states and 104134 transitions. [2022-07-14 03:06:36,849 INFO L78 Accepts]: Start accepts. Automaton has 75671 states and 104134 transitions. Word has length 418 [2022-07-14 03:06:36,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:36,850 INFO L495 AbstractCegarLoop]: Abstraction has 75671 states and 104134 transitions. [2022-07-14 03:06:36,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-14 03:06:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 75671 states and 104134 transitions. [2022-07-14 03:06:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-07-14 03:06:36,859 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:36,859 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 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] [2022-07-14 03:06:36,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 03:06:36,860 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 03:06:36,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:36,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1760721581, now seen corresponding path program 1 times [2022-07-14 03:06:36,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:06:36,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906687898] [2022-07-14 03:06:36,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:36,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:06:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:06:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:06:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:06:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:06:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:06:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:06:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:06:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:06:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:06:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:06:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:06:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:06:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:06:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:06:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:06:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:06:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:06:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:06:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:06:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:06:37,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:06:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:06:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:06:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:06:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:06:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:06:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:06:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:06:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:06:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:06:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:06:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:06:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 03:06:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 03:06:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:06:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-14 03:06:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-14 03:06:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-14 03:06:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-14 03:06:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:37,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5364 trivial. 0 not checked. [2022-07-14 03:06:37,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:06:37,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906687898] [2022-07-14 03:06:37,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906687898] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:06:37,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:06:37,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:06:37,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683297362] [2022-07-14 03:06:37,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:37,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:06:37,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:06:37,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:06:37,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:06:37,504 INFO L87 Difference]: Start difference. First operand 75671 states and 104134 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-14 03:06:45,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:45,034 INFO L93 Difference]: Finished difference Result 240096 states and 334215 transitions. [2022-07-14 03:06:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:06:45,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 437 [2022-07-14 03:06:45,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:46,016 INFO L225 Difference]: With dead ends: 240096 [2022-07-14 03:06:46,016 INFO L226 Difference]: Without dead ends: 164551 [2022-07-14 03:06:46,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:06:46,266 INFO L413 NwaCegarLoop]: 5473 mSDtfsCounter, 3138 mSDsluCounter, 4129 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 1227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3586 SdHoareTripleChecker+Valid, 9602 SdHoareTripleChecker+Invalid, 3783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1227 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:46,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3586 Valid, 9602 Invalid, 3783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1227 Valid, 2556 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-14 03:06:46,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164551 states. [2022-07-14 03:06:51,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164551 to 149457. [2022-07-14 03:06:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149457 states, 100796 states have (on average 1.2746140719869836) internal successors, (128476), 104757 states have internal predecessors, (128476), 38497 states have call successors, (38497), 10161 states have call predecessors, (38497), 10160 states have return successors, (38493), 36386 states have call predecessors, (38493), 38493 states have call successors, (38493) [2022-07-14 03:06:52,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149457 states to 149457 states and 205466 transitions. [2022-07-14 03:06:52,363 INFO L78 Accepts]: Start accepts. Automaton has 149457 states and 205466 transitions. Word has length 437 [2022-07-14 03:06:52,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:52,364 INFO L495 AbstractCegarLoop]: Abstraction has 149457 states and 205466 transitions. [2022-07-14 03:06:52,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-14 03:06:52,365 INFO L276 IsEmpty]: Start isEmpty. Operand 149457 states and 205466 transitions. [2022-07-14 03:06:52,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-07-14 03:06:52,368 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:52,368 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 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] [2022-07-14 03:06:52,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 03:06:52,368 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 03:06:52,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:52,369 INFO L85 PathProgramCache]: Analyzing trace with hash -2111543889, now seen corresponding path program 1 times [2022-07-14 03:06:52,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:06:52,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113096862] [2022-07-14 03:06:52,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:52,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:06:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:06:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:06:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:06:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:06:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:06:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:06:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:06:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:06:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:06:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:06:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:06:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:06:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:06:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:06:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:52,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:06:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:06:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:06:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:06:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:06:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:06:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:06:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:06:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:06:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:06:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:06:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:06:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:06:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:06:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:06:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:06:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:06:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:06:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 03:06:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 03:06:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:06:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-14 03:06:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:06:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-14 03:06:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-14 03:06:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-14 03:06:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5364 trivial. 0 not checked. [2022-07-14 03:06:53,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:06:53,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113096862] [2022-07-14 03:06:53,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113096862] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:06:53,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:06:53,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:06:53,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316131233] [2022-07-14 03:06:53,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:53,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:06:53,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:06:53,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:06:53,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:06:53,213 INFO L87 Difference]: Start difference. First operand 149457 states and 205466 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-14 03:07:03,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:07:03,685 INFO L93 Difference]: Finished difference Result 395283 states and 549217 transitions. [2022-07-14 03:07:03,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:07:03,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 437 [2022-07-14 03:07:03,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:07:05,147 INFO L225 Difference]: With dead ends: 395283 [2022-07-14 03:07:05,148 INFO L226 Difference]: Without dead ends: 245952 [2022-07-14 03:07:06,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:07:06,052 INFO L413 NwaCegarLoop]: 5423 mSDtfsCounter, 3175 mSDsluCounter, 4111 mSDsCounter, 0 mSdLazyCounter, 2571 mSolverCounterSat, 1307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3619 SdHoareTripleChecker+Valid, 9534 SdHoareTripleChecker+Invalid, 3878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1307 IncrementalHoareTripleChecker+Valid, 2571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:07:06,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3619 Valid, 9534 Invalid, 3878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1307 Valid, 2571 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-14 03:07:06,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245952 states. [2022-07-14 03:07:13,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245952 to 223291. [2022-07-14 03:07:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223291 states, 150643 states have (on average 1.2738461129956253) internal successors, (191896), 156478 states have internal predecessors, (191896), 57477 states have call successors, (57477), 15168 states have call predecessors, (57477), 15167 states have return successors, (57473), 54416 states have call predecessors, (57473), 57473 states have call successors, (57473) [2022-07-14 03:07:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223291 states to 223291 states and 306846 transitions. [2022-07-14 03:07:15,771 INFO L78 Accepts]: Start accepts. Automaton has 223291 states and 306846 transitions. Word has length 437 [2022-07-14 03:07:15,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:07:15,773 INFO L495 AbstractCegarLoop]: Abstraction has 223291 states and 306846 transitions. [2022-07-14 03:07:15,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-14 03:07:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 223291 states and 306846 transitions. [2022-07-14 03:07:15,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-07-14 03:07:15,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:07:15,778 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:07:15,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 03:07:15,779 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 03:07:15,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:07:15,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1147400480, now seen corresponding path program 1 times [2022-07-14 03:07:15,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:07:15,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688734763] [2022-07-14 03:07:15,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:07:15,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:07:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:07:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:07:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:07:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:07:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:07:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:07:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:07:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:07:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:07:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:07:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:07:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:07:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:07:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:07:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:07:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:07:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:07:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:07:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:07:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:07:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:07:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:07:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:07:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:07:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:07:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:07:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:07:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:07:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:07:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 03:07:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 03:07:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 03:07:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 03:07:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 03:07:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-14 03:07:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-14 03:07:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:07:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-14 03:07:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:16,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-14 03:07:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:17,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-14 03:07:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:17,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5380 trivial. 0 not checked. [2022-07-14 03:07:17,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:07:17,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688734763] [2022-07-14 03:07:17,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688734763] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:07:17,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:07:17,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:07:17,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044439823] [2022-07-14 03:07:17,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:07:17,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:07:17,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:07:17,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:07:17,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:07:17,024 INFO L87 Difference]: Start difference. First operand 223291 states and 306846 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40)