./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-blocklayout-blocklayoutdriver.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-blocklayout-blocklayoutdriver.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 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:23:45,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:23:45,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:23:45,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:23:45,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:23:45,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:23:45,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:23:45,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:23:45,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:23:45,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:23:45,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:23:45,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:23:45,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:23:45,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:23:45,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:23:45,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:23:45,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:23:45,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:23:45,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:23:45,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:23:45,917 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:23:45,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:23:45,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:23:45,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:23:45,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:23:45,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:23:45,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:23:45,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:23:45,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:23:45,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:23:45,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:23:45,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:23:45,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:23:45,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:23:45,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:23:45,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:23:45,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:23:45,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:23:45,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:23:45,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:23:45,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:23:45,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:23:45,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:23:45,989 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:23:45,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:23:45,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:23:45,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:23:45,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:23:45,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:23:45,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:23:45,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:23:45,992 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:23:45,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:23:45,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:23:45,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:23:45,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:23:45,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:23:45,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:23:45,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:23:45,994 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:23:45,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:23:45,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:23:45,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:23:45,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:23:45,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:23:45,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:23:45,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:23:45,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:23:45,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:23:45,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:23:45,997 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:23:45,997 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:23:45,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:23:45,998 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9bfbecd8ca52470a88d05c2ee48bea0bde6dbc2be84932ebcf7050b5532f4c7c [2022-07-12 15:23:46,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:23:46,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:23:46,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:23:46,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:23:46,270 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:23:46,272 INFO L432 ainManager$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-blocklayout-blocklayoutdriver.cil.i [2022-07-12 15:23:46,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6170c01a2/3d5f54da3fef487bbea929f1297eb2aa/FLAGdca8cc445 [2022-07-12 15:23:47,283 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:23:47,283 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-blocklayout-blocklayoutdriver.cil.i [2022-07-12 15:23:47,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6170c01a2/3d5f54da3fef487bbea929f1297eb2aa/FLAGdca8cc445 [2022-07-12 15:23:47,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6170c01a2/3d5f54da3fef487bbea929f1297eb2aa [2022-07-12 15:23:47,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:23:47,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:23:47,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:23:47,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:23:47,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:23:47,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:23:47" (1/1) ... [2022-07-12 15:23:47,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49550a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:47, skipping insertion in model container [2022-07-12 15:23:47,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:23:47" (1/1) ... [2022-07-12 15:23:47,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:23:47,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:23:52,532 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-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2022-07-12 15:23:52,535 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-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2022-07-12 15:23:52,536 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-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2022-07-12 15:23:52,536 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-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2022-07-12 15:23:52,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:23:52,572 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:23:52,947 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-blocklayout-blocklayoutdriver.cil.i[517003,517016] [2022-07-12 15:23:52,947 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-blocklayout-blocklayoutdriver.cil.i[517172,517185] [2022-07-12 15:23:52,948 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-blocklayout-blocklayoutdriver.cil.i[517339,517352] [2022-07-12 15:23:52,948 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-blocklayout-blocklayoutdriver.cil.i[517507,517520] [2022-07-12 15:23:52,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:23:53,111 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:23:53,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53 WrapperNode [2022-07-12 15:23:53,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:23:53,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:23:53,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:23:53,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:23:53,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53" (1/1) ... [2022-07-12 15:23:53,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53" (1/1) ... [2022-07-12 15:23:53,423 INFO L137 Inliner]: procedures = 584, calls = 2495, calls flagged for inlining = 241, calls inlined = 220, statements flattened = 7078 [2022-07-12 15:23:53,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:23:53,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:23:53,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:23:53,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:23:53,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53" (1/1) ... [2022-07-12 15:23:53,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53" (1/1) ... [2022-07-12 15:23:53,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53" (1/1) ... [2022-07-12 15:23:53,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53" (1/1) ... [2022-07-12 15:23:53,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53" (1/1) ... [2022-07-12 15:23:53,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53" (1/1) ... [2022-07-12 15:23:53,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53" (1/1) ... [2022-07-12 15:23:53,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:23:53,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:23:53,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:23:53,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:23:53,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53" (1/1) ... [2022-07-12 15:23:53,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:23:53,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:23:53,780 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) [2022-07-12 15:23:53,800 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 [2022-07-12 15:23:53,820 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_parallel [2022-07-12 15:23:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_parallel [2022-07-12 15:23:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 15:23:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-07-12 15:23:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-07-12 15:23:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 15:23:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 15:23:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_commitlist [2022-07-12 15:23:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_commitlist [2022-07-12 15:23:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_put_sb_net [2022-07-12 15:23:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_put_sb_net [2022-07-12 15:23:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-12 15:23:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-12 15:23:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-12 15:23:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-12 15:23:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_pagelist [2022-07-12 15:23:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_pagelist [2022-07-12 15:23:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:23:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:23:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc [2022-07-12 15:23:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc [2022-07-12 15:23:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:23:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:23:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_unregister_layoutdriver [2022-07-12 15:23:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_unregister_layoutdriver [2022-07-12 15:23:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure trylock_page [2022-07-12 15:23:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure trylock_page [2022-07-12 15:23:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure submit_bio [2022-07-12 15:23:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_bio [2022-07-12 15:23:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LSEG2EXT [2022-07-12 15:23:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LSEG2EXT [2022-07-12 15:23:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_unregister_sb [2022-07-12 15:23:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_unregister_sb [2022-07-12 15:23:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-12 15:23:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-12 15:23:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-07-12 15:23:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-07-12 15:23:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 15:23:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 15:23:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 15:23:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_release [2022-07-12 15:23:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_release [2022-07-12 15:23:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure BLK_LO2EXT [2022-07-12 15:23:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure BLK_LO2EXT [2022-07-12 15:23:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-12 15:23:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-12 15:23:53,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:23:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:23:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure print_page [2022-07-12 15:23:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure print_page [2022-07-12 15:23:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-12 15:23:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:23:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:23:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure PageWriteback [2022-07-12 15:23:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure PageWriteback [2022-07-12 15:23:53,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:23:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_layout_hdr [2022-07-12 15:23:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_layout_hdr [2022-07-12 15:23:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure print_clist [2022-07-12 15:23:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure print_clist [2022-07-12 15:23:53,831 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 15:23:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 15:23:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 15:23:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 15:23:53,832 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segments [2022-07-12 15:23:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segments [2022-07-12 15:23:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 15:23:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 15:23:53,833 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 15:23:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 15:23:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 15:23:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-12 15:23:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-12 15:23:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_layout_hdr [2022-07-12 15:23:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_layout_hdr [2022-07-12 15:23:53,834 INFO L130 BoogieDeclarations]: Found specification of procedure PageDirty [2022-07-12 15:23:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure PageDirty [2022-07-12 15:23:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 15:23:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 15:23:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure is_writable [2022-07-12 15:23:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure is_writable [2022-07-12 15:23:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 15:23:53,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:23:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:23:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure normalize [2022-07-12 15:23:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize [2022-07-12 15:23:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-12 15:23:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-12 15:23:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 15:23:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-07-12 15:23:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-07-12 15:23:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_net_exit [2022-07-12 15:23:53,837 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_net_exit [2022-07-12 15:23:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 15:23:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 15:23:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_get_sb_net [2022-07-12 15:23:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_get_sb_net [2022-07-12 15:23:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure extents_consistent [2022-07-12 15:23:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure extents_consistent [2022-07-12 15:23:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-12 15:23:53,838 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-12 15:23:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_rpc_pipefs_notifier_unregister [2022-07-12 15:23:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_rpc_pipefs_notifier_unregister [2022-07-12 15:23:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure bl_submit_bio [2022-07-12 15:23:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_submit_bio [2022-07-12 15:23:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 15:23:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 15:23:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_queue_upcall [2022-07-12 15:23:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_queue_upcall [2022-07-12 15:23:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-12 15:23:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-12 15:23:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-12 15:23:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-12 15:23:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure bl_put_extent [2022-07-12 15:23:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_put_extent [2022-07-12 15:23:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:23:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:23:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:23:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 15:23:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 15:23:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 15:23:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 15:23:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 15:23:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 15:23:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 15:23:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 15:23:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:23:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-07-12 15:23:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-07-12 15:23:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:23:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:23:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:23:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure clean_pnfs_block_layoutupdate [2022-07-12 15:23:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure clean_pnfs_block_layoutupdate [2022-07-12 15:23:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 15:23:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure bl_alloc_lseg [2022-07-12 15:23:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_alloc_lseg [2022-07-12 15:23:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:23:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:23:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2022-07-12 15:23:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2022-07-12 15:23:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure end_page_writeback [2022-07-12 15:23:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure end_page_writeback [2022-07-12 15:23:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure print_elist [2022-07-12 15:23:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure print_elist [2022-07-12 15:23:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-12 15:23:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-12 15:23:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2022-07-12 15:23:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2022-07-12 15:23:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 15:23:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 15:23:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 15:23:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 15:23:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure bl_cleanup_layoutcommit [2022-07-12 15:23:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_cleanup_layoutcommit [2022-07-12 15:23:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure PageLocked [2022-07-12 15:23:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure PageLocked [2022-07-12 15:23:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_test [2022-07-12 15:23:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_test [2022-07-12 15:23:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_destroy_pipe_data [2022-07-12 15:23:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_destroy_pipe_data [2022-07-12 15:23:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_parallel [2022-07-12 15:23:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_parallel [2022-07-12 15:23:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 15:23:53,847 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 15:23:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure bl_is_sector_init [2022-07-12 15:23:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_is_sector_init [2022-07-12 15:23:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:23:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:23:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 15:23:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 15:23:53,848 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 15:23:53,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 15:23:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_page [2022-07-12 15:23:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_page [2022-07-12 15:23:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-12 15:23:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-12 15:23:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-07-12 15:23:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-07-12 15:23:53,849 INFO L130 BoogieDeclarations]: Found specification of procedure bl_clear_layoutdriver [2022-07-12 15:23:53,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_clear_layoutdriver [2022-07-12 15:23:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:23:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:23:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:23:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:23:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure bl_pipe_destroy_msg [2022-07-12 15:23:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_pipe_destroy_msg [2022-07-12 15:23:53,850 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_pagelist [2022-07-12 15:23:53,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_pagelist [2022-07-12 15:23:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:23:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:23:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 15:23:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 15:23:53,851 INFO L130 BoogieDeclarations]: Found specification of procedure print_bl_extent [2022-07-12 15:23:53,851 INFO L138 BoogieDeclarations]: Found implementation of procedure print_bl_extent [2022-07-12 15:23:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_read [2022-07-12 15:23:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_read [2022-07-12 15:23:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-07-12 15:23:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-07-12 15:23:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_encode_hyper [2022-07-12 15:23:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_encode_hyper [2022-07-12 15:23:53,852 INFO L130 BoogieDeclarations]: Found specification of procedure bl_write_cleanup [2022-07-12 15:23:53,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_write_cleanup [2022-07-12 15:23:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 15:23:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 15:23:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure bl_mark_sectors_init [2022-07-12 15:23:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_mark_sectors_init [2022-07-12 15:23:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:23:53,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:23:53,853 INFO L130 BoogieDeclarations]: Found specification of procedure free_blk_mountid [2022-07-12 15:23:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure free_blk_mountid [2022-07-12 15:23:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 15:23:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 15:23:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure is_range_written [2022-07-12 15:23:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure is_range_written [2022-07-12 15:23:53,854 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 15:23:53,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 15:23:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:23:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 15:23:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 15:23:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure list_replace [2022-07-12 15:23:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure list_replace [2022-07-12 15:23:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-12 15:23:53,855 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-12 15:23:53,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:23:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-07-12 15:23:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-07-12 15:23:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-07-12 15:23:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-07-12 15:23:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure is_aligned_req [2022-07-12 15:23:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure is_aligned_req [2022-07-12 15:23:53,856 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-12 15:23:53,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-12 15:23:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure _prep_new_extent [2022-07-12 15:23:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure _prep_new_extent [2022-07-12 15:23:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2022-07-12 15:23:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2022-07-12 15:23:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:23:53,857 INFO L130 BoogieDeclarations]: Found specification of procedure print_short_extent [2022-07-12 15:23:53,857 INFO L138 BoogieDeclarations]: Found implementation of procedure print_short_extent [2022-07-12 15:23:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-07-12 15:23:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-07-12 15:23:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_reserve_space [2022-07-12 15:23:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_reserve_space [2022-07-12 15:23:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 15:23:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 15:23:53,858 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_pipefs_notifier_unregister [2022-07-12 15:23:53,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_pipefs_notifier_unregister [2022-07-12 15:23:53,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2022-07-12 15:23:53,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_im_lock_of_pnfs_inval_markings [2022-07-12 15:23:53,861 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-07-12 15:23:53,861 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-07-12 15:23:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure bl_push_one_short_extent [2022-07-12 15:23:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_push_one_short_extent [2022-07-12 15:23:53,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:23:53,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:23:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 15:23:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 15:23:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 15:23:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 15:23:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-07-12 15:23:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-07-12 15:23:53,863 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 15:23:53,863 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 15:23:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-07-12 15:23:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-07-12 15:23:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure _set_range [2022-07-12 15:23:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_range [2022-07-12 15:23:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure bl_encode_layoutcommit [2022-07-12 15:23:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_encode_layoutcommit [2022-07-12 15:23:53,864 INFO L130 BoogieDeclarations]: Found specification of procedure mark_extents_written [2022-07-12 15:23:53,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mark_extents_written [2022-07-12 15:23:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2022-07-12 15:23:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2022-07-12 15:23:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure _add_entry [2022-07-12 15:23:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _add_entry [2022-07-12 15:23:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure _front_merge [2022-07-12 15:23:53,865 INFO L138 BoogieDeclarations]: Found implementation of procedure _front_merge [2022-07-12 15:23:53,865 INFO L130 BoogieDeclarations]: Found specification of procedure do_add_page_to_bio [2022-07-12 15:23:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure do_add_page_to_bio [2022-07-12 15:23:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 15:23:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 15:23:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-12 15:23:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-12 15:23:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-07-12 15:23:53,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-07-12 15:23:53,866 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-07-12 15:23:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-07-12 15:23:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure bl_find_get_extent [2022-07-12 15:23:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_find_get_extent [2022-07-12 15:23:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure bl_free_lseg [2022-07-12 15:23:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_free_lseg [2022-07-12 15:23:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 15:23:53,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 15:23:53,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 15:23:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-07-12 15:23:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-07-12 15:23:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4blocklayout_register_sb [2022-07-12 15:23:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4blocklayout_register_sb [2022-07-12 15:23:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:23:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:23:53,868 INFO L130 BoogieDeclarations]: Found specification of procedure SetPageUptodate [2022-07-12 15:23:53,868 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPageUptodate [2022-07-12 15:23:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2022-07-12 15:23:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_im_lock_of_pnfs_inval_markings [2022-07-12 15:23:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-07-12 15:23:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-07-12 15:23:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure zero_user_segment [2022-07-12 15:23:53,869 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_user_segment [2022-07-12 15:23:53,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2022-07-12 15:23:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2022-07-12 15:23:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2022-07-12 15:23:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4blocklayout_exit_7_2 [2022-07-12 15:23:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure decode_sector_number [2022-07-12 15:23:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_sector_number [2022-07-12 15:23:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure bl_read_partial_page_sync [2022-07-12 15:23:53,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_read_partial_page_sync [2022-07-12 15:23:53,870 INFO L130 BoogieDeclarations]: Found specification of procedure put_parallel [2022-07-12 15:23:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure put_parallel [2022-07-12 15:23:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-12 15:23:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-12 15:23:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_generic_pg_init_read [2022-07-12 15:23:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_generic_pg_init_read [2022-07-12 15:23:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write [2022-07-12 15:23:53,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write [2022-07-12 15:23:53,871 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-07-12 15:23:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-07-12 15:23:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-12 15:23:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-12 15:23:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure PageUptodate [2022-07-12 15:23:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure PageUptodate [2022-07-12 15:23:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure bio_add_page [2022-07-12 15:23:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_add_page [2022-07-12 15:23:53,872 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 15:23:53,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 15:23:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure release_extents [2022-07-12 15:23:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure release_extents [2022-07-12 15:23:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 15:23:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 15:23:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_lock_acquire [2022-07-12 15:23:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_lock_acquire [2022-07-12 15:23:53,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:23:53,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:23:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure bl_do_readpage_sync [2022-07-12 15:23:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_do_readpage_sync [2022-07-12 15:23:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 15:23:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 15:23:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure bl_set_layoutdriver [2022-07-12 15:23:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_set_layoutdriver [2022-07-12 15:23:53,874 INFO L130 BoogieDeclarations]: Found specification of procedure bl_end_io_write_zero [2022-07-12 15:23:53,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_end_io_write_zero [2022-07-12 15:23:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure normalize_up [2022-07-12 15:23:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure normalize_up [2022-07-12 15:23:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 15:23:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 15:23:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-07-12 15:23:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-07-12 15:23:53,875 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-12 15:23:53,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-12 15:23:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 15:23:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:23:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:23:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_set_lo_fail [2022-07-12 15:23:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_set_lo_fail [2022-07-12 15:23:53,876 INFO L130 BoogieDeclarations]: Found specification of procedure set_to_rw [2022-07-12 15:23:53,876 INFO L138 BoogieDeclarations]: Found implementation of procedure set_to_rw [2022-07-12 15:23:54,793 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:23:54,797 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:23:55,121 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:24:00,764 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:24:00,897 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:24:00,926 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:24:00,926 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-07-12 15:24:00,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:24:00 BoogieIcfgContainer [2022-07-12 15:24:00,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:24:00,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:24:00,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:24:00,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:24:00,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:23:47" (1/3) ... [2022-07-12 15:24:00,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d70c432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:24:00, skipping insertion in model container [2022-07-12 15:24:00,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:23:53" (2/3) ... [2022-07-12 15:24:00,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d70c432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:24:00, skipping insertion in model container [2022-07-12 15:24:00,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:24:00" (3/3) ... [2022-07-12 15:24:00,944 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-blocklayout-blocklayoutdriver.cil.i [2022-07-12 15:24:00,957 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:24:00,958 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 15:24:01,076 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:24:01,081 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@78df0bdf, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@c3b8f62 [2022-07-12 15:24:01,082 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 15:24:01,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 3107 states, 2086 states have (on average 1.319750719079578) internal successors, (2753), 2135 states have internal predecessors, (2753), 848 states have call successors, (848), 173 states have call predecessors, (848), 172 states have return successors, (841), 826 states have call predecessors, (841), 841 states have call successors, (841) [2022-07-12 15:24:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-07-12 15:24:01,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:24:01,121 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] [2022-07-12 15:24:01,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:24:01,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:24:01,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1724319285, now seen corresponding path program 1 times [2022-07-12 15:24:01,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:24:01,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687722282] [2022-07-12 15:24:01,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:24:01,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:24:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:24:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:24:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:24:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:24:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:24:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:24:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:24:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:24:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:24:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:24:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:24:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:24:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:24:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:24:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:24:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:24:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:24:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:24:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:24:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:24:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:24:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:24:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:24:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:24:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:24:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:24:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:24:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:24:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:24:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:24:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:24:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:24:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:24:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:24:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:24:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 15:24:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:02,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-12 15:24:02,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:24:02,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687722282] [2022-07-12 15:24:02,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687722282] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:24:02,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:24:02,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:24:02,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967238587] [2022-07-12 15:24:02,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:24:02,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:24:02,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:24:02,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:24:02,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:24:02,536 INFO L87 Difference]: Start difference. First operand has 3107 states, 2086 states have (on average 1.319750719079578) internal successors, (2753), 2135 states have internal predecessors, (2753), 848 states have call successors, (848), 173 states have call predecessors, (848), 172 states have return successors, (841), 826 states have call predecessors, (841), 841 states have call successors, (841) Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (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) [2022-07-12 15:24:09,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:24:09,969 INFO L93 Difference]: Finished difference Result 9793 states and 14670 transitions. [2022-07-12 15:24:09,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:24:09,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (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 406 [2022-07-12 15:24:09,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:24:10,053 INFO L225 Difference]: With dead ends: 9793 [2022-07-12 15:24:10,054 INFO L226 Difference]: Without dead ends: 6748 [2022-07-12 15:24:10,085 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 [2022-07-12 15:24:10,088 INFO L413 NwaCegarLoop]: 4684 mSDtfsCounter, 6095 mSDsluCounter, 4509 mSDsCounter, 0 mSdLazyCounter, 3647 mSolverCounterSat, 2801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6856 SdHoareTripleChecker+Valid, 9193 SdHoareTripleChecker+Invalid, 6448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2801 IncrementalHoareTripleChecker+Valid, 3647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-07-12 15:24:10,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6856 Valid, 9193 Invalid, 6448 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2801 Valid, 3647 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-07-12 15:24:10,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6748 states. [2022-07-12 15:24:10,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6748 to 5884. [2022-07-12 15:24:10,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5884 states, 3956 states have (on average 1.289686552072801) internal successors, (5102), 4057 states have internal predecessors, (5102), 1586 states have call successors, (1586), 340 states have call predecessors, (1586), 339 states have return successors, (1582), 1552 states have call predecessors, (1582), 1582 states have call successors, (1582) [2022-07-12 15:24:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5884 states to 5884 states and 8270 transitions. [2022-07-12 15:24:10,542 INFO L78 Accepts]: Start accepts. Automaton has 5884 states and 8270 transitions. Word has length 406 [2022-07-12 15:24:10,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:24:10,547 INFO L495 AbstractCegarLoop]: Abstraction has 5884 states and 8270 transitions. [2022-07-12 15:24:10,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (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) [2022-07-12 15:24:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5884 states and 8270 transitions. [2022-07-12 15:24:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-07-12 15:24:10,560 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:24:10,561 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, 1, 1, 1, 1] [2022-07-12 15:24:10,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 15:24:10,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:24:10,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:24:10,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1483328393, now seen corresponding path program 1 times [2022-07-12 15:24:10,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:24:10,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540880136] [2022-07-12 15:24:10,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:24:10,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:24:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:24:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:24:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:24:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:24:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:24:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:24:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:24:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:24:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:24:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:24:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:24:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:24:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:24:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:24:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:24:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:24:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:24:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:10,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:24:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:24:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:24:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:24:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:24:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:24:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:24:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:24:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:24:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:24:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:24:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:24:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:24:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:24:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:24:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:24:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:24:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:24:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:24:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-12 15:24:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:11,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-12 15:24:11,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:24:11,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540880136] [2022-07-12 15:24:11,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540880136] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:24:11,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:24:11,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:24:11,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568579727] [2022-07-12 15:24:11,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:24:11,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:24:11,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:24:11,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:24:11,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:24:11,353 INFO L87 Difference]: Start difference. First operand 5884 states and 8270 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-12 15:24:18,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:24:18,620 INFO L93 Difference]: Finished difference Result 15796 states and 22563 transitions. [2022-07-12 15:24:18,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:24:18,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 422 [2022-07-12 15:24:18,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:24:18,683 INFO L225 Difference]: With dead ends: 15796 [2022-07-12 15:24:18,683 INFO L226 Difference]: Without dead ends: 9985 [2022-07-12 15:24:18,710 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 [2022-07-12 15:24:18,711 INFO L413 NwaCegarLoop]: 4685 mSDtfsCounter, 6014 mSDsluCounter, 4491 mSDsCounter, 0 mSdLazyCounter, 3692 mSolverCounterSat, 2874 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6776 SdHoareTripleChecker+Valid, 9176 SdHoareTripleChecker+Invalid, 6566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2874 IncrementalHoareTripleChecker+Valid, 3692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-12 15:24:18,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6776 Valid, 9176 Invalid, 6566 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2874 Valid, 3692 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-07-12 15:24:18,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9985 states. [2022-07-12 15:24:19,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9985 to 8662. [2022-07-12 15:24:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8662 states, 5819 states have (on average 1.288021996906685) internal successors, (7495), 5969 states have internal predecessors, (7495), 2327 states have call successors, (2327), 514 states have call predecessors, (2327), 513 states have return successors, (2323), 2275 states have call predecessors, (2323), 2323 states have call successors, (2323) [2022-07-12 15:24:19,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8662 states to 8662 states and 12145 transitions. [2022-07-12 15:24:19,169 INFO L78 Accepts]: Start accepts. Automaton has 8662 states and 12145 transitions. Word has length 422 [2022-07-12 15:24:19,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:24:19,171 INFO L495 AbstractCegarLoop]: Abstraction has 8662 states and 12145 transitions. [2022-07-12 15:24:19,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-12 15:24:19,172 INFO L276 IsEmpty]: Start isEmpty. Operand 8662 states and 12145 transitions. [2022-07-12 15:24:19,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-07-12 15:24:19,180 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:24:19,180 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, 1, 1, 1, 1, 1] [2022-07-12 15:24:19,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 15:24:19,181 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:24:19,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:24:19,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1707744556, now seen corresponding path program 1 times [2022-07-12 15:24:19,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:24:19,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918961652] [2022-07-12 15:24:19,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:24:19,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:24:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:24:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:24:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:24:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:24:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:24:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:24:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:24:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:24:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:24:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:24:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:24:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:24:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:24:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:24:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:24:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:24:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:24:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:24:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:24:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:24:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:24:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:24:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:24:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:24:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:24:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:24:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:24:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:24:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:24:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:24:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:24:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:24:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:24:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:24:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:24:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 15:24:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-12 15:24:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:19,864 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2022-07-12 15:24:19,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:24:19,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918961652] [2022-07-12 15:24:19,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918961652] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:24:19,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:24:19,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:24:19,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985601395] [2022-07-12 15:24:19,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:24:19,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:24:19,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:24:19,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:24:19,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:24:19,869 INFO L87 Difference]: Start difference. First operand 8662 states and 12145 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-12 15:24:25,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:24:25,935 INFO L93 Difference]: Finished difference Result 19648 states and 27837 transitions. [2022-07-12 15:24:25,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:24:25,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 423 [2022-07-12 15:24:25,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:24:26,001 INFO L225 Difference]: With dead ends: 19648 [2022-07-12 15:24:26,002 INFO L226 Difference]: Without dead ends: 11059 [2022-07-12 15:24:26,033 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 [2022-07-12 15:24:26,034 INFO L413 NwaCegarLoop]: 6574 mSDtfsCounter, 5410 mSDsluCounter, 5482 mSDsCounter, 0 mSdLazyCounter, 3730 mSolverCounterSat, 2336 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6169 SdHoareTripleChecker+Valid, 12056 SdHoareTripleChecker+Invalid, 6066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2336 IncrementalHoareTripleChecker+Valid, 3730 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:24:26,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6169 Valid, 12056 Invalid, 6066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2336 Valid, 3730 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-12 15:24:26,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11059 states. [2022-07-12 15:24:26,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11059 to 9684. [2022-07-12 15:24:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9684 states, 6538 states have (on average 1.2818904863872744) internal successors, (8381), 6707 states have internal predecessors, (8381), 2542 states have call successors, (2542), 602 states have call predecessors, (2542), 601 states have return successors, (2538), 2479 states have call predecessors, (2538), 2538 states have call successors, (2538) [2022-07-12 15:24:26,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9684 states to 9684 states and 13461 transitions. [2022-07-12 15:24:26,508 INFO L78 Accepts]: Start accepts. Automaton has 9684 states and 13461 transitions. Word has length 423 [2022-07-12 15:24:26,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:24:26,509 INFO L495 AbstractCegarLoop]: Abstraction has 9684 states and 13461 transitions. [2022-07-12 15:24:26,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-12 15:24:26,509 INFO L276 IsEmpty]: Start isEmpty. Operand 9684 states and 13461 transitions. [2022-07-12 15:24:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-07-12 15:24:26,518 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:24:26,518 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:24:26,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 15:24:26,519 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:24:26,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:24:26,520 INFO L85 PathProgramCache]: Analyzing trace with hash 90735514, now seen corresponding path program 1 times [2022-07-12 15:24:26,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:24:26,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679777055] [2022-07-12 15:24:26,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:24:26,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:24:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:24:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:24:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:24:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:24:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:24:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:24:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:24:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:24:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:24:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:24:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:24:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:24:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:24:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:24:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:24:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:24:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:24:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:24:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:24:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:24:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:24:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:24:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:24:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:24:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:24:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:24:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:24:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:24:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:24:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:24:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:24:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:24:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:24:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:24:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:24:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:24:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:24:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:24:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:24:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:24:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:24:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:27,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5390 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5376 trivial. 0 not checked. [2022-07-12 15:24:27,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:24:27,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679777055] [2022-07-12 15:24:27,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679777055] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:24:27,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:24:27,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:24:27,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905066695] [2022-07-12 15:24:27,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:24:27,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:24:27,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:24:27,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:24:27,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:24:27,333 INFO L87 Difference]: Start difference. First operand 9684 states and 13461 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 15:24:32,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:24:32,935 INFO L93 Difference]: Finished difference Result 30260 states and 42980 transitions. [2022-07-12 15:24:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:24:32,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 461 [2022-07-12 15:24:32,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:24:33,047 INFO L225 Difference]: With dead ends: 30260 [2022-07-12 15:24:33,047 INFO L226 Difference]: Without dead ends: 21036 [2022-07-12 15:24:33,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:24:33,172 INFO L413 NwaCegarLoop]: 7910 mSDtfsCounter, 4776 mSDsluCounter, 6042 mSDsCounter, 0 mSdLazyCounter, 3727 mSolverCounterSat, 1932 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5529 SdHoareTripleChecker+Valid, 13952 SdHoareTripleChecker+Invalid, 5659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1932 IncrementalHoareTripleChecker+Valid, 3727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:24:33,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5529 Valid, 13952 Invalid, 5659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1932 Valid, 3727 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-12 15:24:33,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21036 states. [2022-07-12 15:24:33,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21036 to 18377. [2022-07-12 15:24:33,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18377 states, 12420 states have (on average 1.2852657004830919) internal successors, (15963), 12734 states have internal predecessors, (15963), 4827 states have call successors, (4827), 1128 states have call predecessors, (4827), 1127 states have return successors, (4823), 4720 states have call predecessors, (4823), 4823 states have call successors, (4823) [2022-07-12 15:24:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18377 states to 18377 states and 25613 transitions. [2022-07-12 15:24:34,113 INFO L78 Accepts]: Start accepts. Automaton has 18377 states and 25613 transitions. Word has length 461 [2022-07-12 15:24:34,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:24:34,114 INFO L495 AbstractCegarLoop]: Abstraction has 18377 states and 25613 transitions. [2022-07-12 15:24:34,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-12 15:24:34,115 INFO L276 IsEmpty]: Start isEmpty. Operand 18377 states and 25613 transitions. [2022-07-12 15:24:34,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2022-07-12 15:24:34,124 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:24:34,124 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:24:34,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 15:24:34,125 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:24:34,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:24:34,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1476938908, now seen corresponding path program 1 times [2022-07-12 15:24:34,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:24:34,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434162132] [2022-07-12 15:24:34,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:24:34,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:24:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:24:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:24:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:24:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:24:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:24:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:24:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:24:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:24:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:24:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:24:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:24:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:24:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:24:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:24:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:24:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:24:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:24:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:24:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:24:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:24:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:24:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:24:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:24:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:24:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:24:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:24:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:24:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:24:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:24:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:34,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:24:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:24:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:24:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:24:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:24:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:24:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:24:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:24:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:24:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:24:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:24:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:24:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:35,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5390 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5390 trivial. 0 not checked. [2022-07-12 15:24:35,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:24:35,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434162132] [2022-07-12 15:24:35,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434162132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:24:35,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:24:35,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:24:35,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633022525] [2022-07-12 15:24:35,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:24:35,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:24:35,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:24:35,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:24:35,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:24:35,197 INFO L87 Difference]: Start difference. First operand 18377 states and 25613 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-12 15:24:39,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:24:39,967 INFO L93 Difference]: Finished difference Result 21038 states and 30094 transitions. [2022-07-12 15:24:39,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:24:39,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 461 [2022-07-12 15:24:39,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:24:40,060 INFO L225 Difference]: With dead ends: 21038 [2022-07-12 15:24:40,060 INFO L226 Difference]: Without dead ends: 21036 [2022-07-12 15:24:40,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:24:40,075 INFO L413 NwaCegarLoop]: 4099 mSDtfsCounter, 4919 mSDsluCounter, 7328 mSDsCounter, 0 mSdLazyCounter, 4419 mSolverCounterSat, 1937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5389 SdHoareTripleChecker+Valid, 11427 SdHoareTripleChecker+Invalid, 6356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1937 IncrementalHoareTripleChecker+Valid, 4419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:24:40,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5389 Valid, 11427 Invalid, 6356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1937 Valid, 4419 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-12 15:24:40,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21036 states. [2022-07-12 15:24:40,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21036 to 18381. [2022-07-12 15:24:40,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18381 states, 12423 states have (on average 1.2851968123641633) internal successors, (15966), 12737 states have internal predecessors, (15966), 4827 states have call successors, (4827), 1129 states have call predecessors, (4827), 1128 states have return successors, (4823), 4720 states have call predecessors, (4823), 4823 states have call successors, (4823) [2022-07-12 15:24:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18381 states to 18381 states and 25616 transitions. [2022-07-12 15:24:40,957 INFO L78 Accepts]: Start accepts. Automaton has 18381 states and 25616 transitions. Word has length 461 [2022-07-12 15:24:40,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:24:40,959 INFO L495 AbstractCegarLoop]: Abstraction has 18381 states and 25616 transitions. [2022-07-12 15:24:40,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-12 15:24:40,960 INFO L276 IsEmpty]: Start isEmpty. Operand 18381 states and 25616 transitions. [2022-07-12 15:24:40,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-07-12 15:24:40,975 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:24:40,975 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:24:40,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 15:24:40,975 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:24:40,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:24:40,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1254182775, now seen corresponding path program 1 times [2022-07-12 15:24:40,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:24:40,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059005314] [2022-07-12 15:24:40,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:24:40,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:24:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:24:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:24:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:24:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:24:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:24:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:24:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:24:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:24:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:24:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:24:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:24:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:24:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:24:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:24:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:24:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:24:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:24:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:24:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:24:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:24:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:24:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:24:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:24:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:24:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:24:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:24:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:24:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:24:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:24:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:24:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:24:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:24:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:24:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:24:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:24:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:24:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:24:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:24:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:24:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:24:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:24:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:24:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 5392 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5390 trivial. 0 not checked. [2022-07-12 15:24:41,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:24:41,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059005314] [2022-07-12 15:24:41,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059005314] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:24:41,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:24:41,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:24:41,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002678837] [2022-07-12 15:24:41,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:24:41,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:24:41,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:24:41,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:24:41,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:24:41,929 INFO L87 Difference]: Start difference. First operand 18381 states and 25616 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 15:24:46,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:24:46,763 INFO L93 Difference]: Finished difference Result 21042 states and 30097 transitions. [2022-07-12 15:24:46,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:24:46,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 466 [2022-07-12 15:24:46,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:24:46,852 INFO L225 Difference]: With dead ends: 21042 [2022-07-12 15:24:46,852 INFO L226 Difference]: Without dead ends: 21040 [2022-07-12 15:24:46,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:24:46,868 INFO L413 NwaCegarLoop]: 4090 mSDtfsCounter, 4916 mSDsluCounter, 7296 mSDsCounter, 0 mSdLazyCounter, 4416 mSolverCounterSat, 1935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5394 SdHoareTripleChecker+Valid, 11386 SdHoareTripleChecker+Invalid, 6351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1935 IncrementalHoareTripleChecker+Valid, 4416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:24:46,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5394 Valid, 11386 Invalid, 6351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1935 Valid, 4416 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-12 15:24:46,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21040 states. [2022-07-12 15:24:47,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21040 to 18385. [2022-07-12 15:24:47,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18385 states, 12426 states have (on average 1.28512795750845) internal successors, (15969), 12740 states have internal predecessors, (15969), 4827 states have call successors, (4827), 1130 states have call predecessors, (4827), 1129 states have return successors, (4823), 4720 states have call predecessors, (4823), 4823 states have call successors, (4823) [2022-07-12 15:24:47,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18385 states to 18385 states and 25619 transitions. [2022-07-12 15:24:47,773 INFO L78 Accepts]: Start accepts. Automaton has 18385 states and 25619 transitions. Word has length 466 [2022-07-12 15:24:47,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:24:47,774 INFO L495 AbstractCegarLoop]: Abstraction has 18385 states and 25619 transitions. [2022-07-12 15:24:47,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-12 15:24:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 18385 states and 25619 transitions. [2022-07-12 15:24:47,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-07-12 15:24:47,779 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:24:47,780 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:24:47,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 15:24:47,780 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:24:47,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:24:47,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1374171012, now seen corresponding path program 1 times [2022-07-12 15:24:47,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:24:47,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703399935] [2022-07-12 15:24:47,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:24:47,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:24:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:24:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:24:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:24:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:24:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:24:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:24:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:24:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:24:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:24:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:24:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:24:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:24:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:24:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:24:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:24:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:24:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:24:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:24:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:24:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:24:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:24:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:24:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:24:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:24:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:24:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:24:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:24:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:24:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:24:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:24:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:24:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:24:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:24:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:24:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:24:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:24:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:24:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:24:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:24:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:24:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:24:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:24:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:24:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:48,534 INFO L134 CoverageAnalysis]: Checked inductivity of 5398 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5394 trivial. 0 not checked. [2022-07-12 15:24:48,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:24:48,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703399935] [2022-07-12 15:24:48,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703399935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:24:48,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:24:48,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:24:48,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275259171] [2022-07-12 15:24:48,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:24:48,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:24:48,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:24:48,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:24:48,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:24:48,537 INFO L87 Difference]: Start difference. First operand 18385 states and 25619 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-12 15:24:53,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:24:53,557 INFO L93 Difference]: Finished difference Result 21046 states and 30100 transitions. [2022-07-12 15:24:53,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:24:53,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 471 [2022-07-12 15:24:53,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:24:53,693 INFO L225 Difference]: With dead ends: 21046 [2022-07-12 15:24:53,693 INFO L226 Difference]: Without dead ends: 21044 [2022-07-12 15:24:53,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:24:53,714 INFO L413 NwaCegarLoop]: 4084 mSDtfsCounter, 4918 mSDsluCounter, 7283 mSDsCounter, 0 mSdLazyCounter, 4428 mSolverCounterSat, 1936 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5397 SdHoareTripleChecker+Valid, 11367 SdHoareTripleChecker+Invalid, 6364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1936 IncrementalHoareTripleChecker+Valid, 4428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:24:53,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5397 Valid, 11367 Invalid, 6364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1936 Valid, 4428 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-12 15:24:53,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21044 states. [2022-07-12 15:24:54,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21044 to 18389. [2022-07-12 15:24:54,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18389 states, 12429 states have (on average 1.2850591358918657) internal successors, (15972), 12743 states have internal predecessors, (15972), 4827 states have call successors, (4827), 1131 states have call predecessors, (4827), 1130 states have return successors, (4823), 4720 states have call predecessors, (4823), 4823 states have call successors, (4823) [2022-07-12 15:24:54,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18389 states to 18389 states and 25622 transitions. [2022-07-12 15:24:54,731 INFO L78 Accepts]: Start accepts. Automaton has 18389 states and 25622 transitions. Word has length 471 [2022-07-12 15:24:54,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:24:54,732 INFO L495 AbstractCegarLoop]: Abstraction has 18389 states and 25622 transitions. [2022-07-12 15:24:54,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-12 15:24:54,732 INFO L276 IsEmpty]: Start isEmpty. Operand 18389 states and 25622 transitions. [2022-07-12 15:24:54,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-07-12 15:24:54,739 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:24:54,740 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:24:54,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 15:24:54,741 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:24:54,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:24:54,741 INFO L85 PathProgramCache]: Analyzing trace with hash -639580119, now seen corresponding path program 1 times [2022-07-12 15:24:54,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:24:54,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029711019] [2022-07-12 15:24:54,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:24:54,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:24:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:54,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:24:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:54,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:54,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:24:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:54,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:54,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:24:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:54,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:24:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:24:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:24:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:24:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:24:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:24:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:24:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:24:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:24:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:24:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:24:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:24:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:24:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:24:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:24:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:24:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:24:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:24:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:24:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:24:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:24:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:24:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:24:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:24:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:24:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:24:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:24:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:24:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:24:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:24:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:24:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:24:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:24:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:24:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:24:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:24:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:24:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:24:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:24:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:24:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:24:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:24:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:24:55,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5408 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5402 trivial. 0 not checked. [2022-07-12 15:24:55,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:24:55,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029711019] [2022-07-12 15:24:55,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029711019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:24:55,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:24:55,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:24:55,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696632112] [2022-07-12 15:24:55,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:24:55,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:24:55,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:24:55,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:24:55,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:24:55,547 INFO L87 Difference]: Start difference. First operand 18389 states and 25622 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-07-12 15:25:01,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:25:01,651 INFO L93 Difference]: Finished difference Result 26220 states and 37443 transitions. [2022-07-12 15:25:01,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:25:01,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 476 [2022-07-12 15:25:01,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:25:01,794 INFO L225 Difference]: With dead ends: 26220 [2022-07-12 15:25:01,794 INFO L226 Difference]: Without dead ends: 26218 [2022-07-12 15:25:01,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:25:01,820 INFO L413 NwaCegarLoop]: 4720 mSDtfsCounter, 4931 mSDsluCounter, 9035 mSDsCounter, 0 mSdLazyCounter, 5938 mSolverCounterSat, 2030 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5464 SdHoareTripleChecker+Valid, 13755 SdHoareTripleChecker+Invalid, 7968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2030 IncrementalHoareTripleChecker+Valid, 5938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:25:01,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5464 Valid, 13755 Invalid, 7968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2030 Valid, 5938 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-12 15:25:01,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26218 states. [2022-07-12 15:25:02,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26218 to 23007. [2022-07-12 15:25:02,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23007 states, 15372 states have (on average 1.2812256049960968) internal successors, (19695), 15854 states have internal predecessors, (19695), 6009 states have call successors, (6009), 1654 states have call predecessors, (6009), 1623 states have return successors, (6179), 5770 states have call predecessors, (6179), 6005 states have call successors, (6179) [2022-07-12 15:25:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23007 states to 23007 states and 31883 transitions. [2022-07-12 15:25:02,801 INFO L78 Accepts]: Start accepts. Automaton has 23007 states and 31883 transitions. Word has length 476 [2022-07-12 15:25:02,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:25:02,802 INFO L495 AbstractCegarLoop]: Abstraction has 23007 states and 31883 transitions. [2022-07-12 15:25:02,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-07-12 15:25:02,802 INFO L276 IsEmpty]: Start isEmpty. Operand 23007 states and 31883 transitions. [2022-07-12 15:25:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-07-12 15:25:02,808 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:25:02,808 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:25:02,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 15:25:02,809 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:25:02,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:25:02,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1869458524, now seen corresponding path program 1 times [2022-07-12 15:25:02,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:25:02,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255639788] [2022-07-12 15:25:02,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:25:02,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:25:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:25:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:25:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:25:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:25:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:25:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:25:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:25:03,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:25:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:25:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:25:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:25:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:25:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:25:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:25:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:25:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:25:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:25:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:25:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:25:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:25:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:25:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:25:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:25:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:25:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:25:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:25:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:25:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:25:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:25:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:25:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:25:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:25:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:25:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:25:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:25:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:25:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:25:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:25:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:25:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:25:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:25:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:25:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:25:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:25:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:25:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:03,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5422 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5414 trivial. 0 not checked. [2022-07-12 15:25:03,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:25:03,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255639788] [2022-07-12 15:25:03,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255639788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:25:03,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:25:03,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:25:03,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253138795] [2022-07-12 15:25:03,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:25:03,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:25:03,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:25:03,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:25:03,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:25:03,613 INFO L87 Difference]: Start difference. First operand 23007 states and 31883 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-12 15:25:09,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:25:09,011 INFO L93 Difference]: Finished difference Result 26330 states and 37535 transitions. [2022-07-12 15:25:09,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:25:09,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 481 [2022-07-12 15:25:09,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:25:09,141 INFO L225 Difference]: With dead ends: 26330 [2022-07-12 15:25:09,141 INFO L226 Difference]: Without dead ends: 26328 [2022-07-12 15:25:09,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:25:09,168 INFO L413 NwaCegarLoop]: 4081 mSDtfsCounter, 4922 mSDsluCounter, 7291 mSDsCounter, 0 mSdLazyCounter, 4450 mSolverCounterSat, 1947 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5393 SdHoareTripleChecker+Valid, 11372 SdHoareTripleChecker+Invalid, 6397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1947 IncrementalHoareTripleChecker+Valid, 4450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:25:09,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5393 Valid, 11372 Invalid, 6397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1947 Valid, 4450 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-12 15:25:09,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26328 states. [2022-07-12 15:25:10,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26328 to 23131. [2022-07-12 15:25:10,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23131 states, 15459 states have (on average 1.2800310498738598) internal successors, (19788), 15941 states have internal predecessors, (19788), 6015 states have call successors, (6015), 1685 states have call predecessors, (6015), 1654 states have return successors, (6185), 5776 states have call predecessors, (6185), 6011 states have call successors, (6185) [2022-07-12 15:25:10,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23131 states to 23131 states and 31988 transitions. [2022-07-12 15:25:10,192 INFO L78 Accepts]: Start accepts. Automaton has 23131 states and 31988 transitions. Word has length 481 [2022-07-12 15:25:10,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:25:10,192 INFO L495 AbstractCegarLoop]: Abstraction has 23131 states and 31988 transitions. [2022-07-12 15:25:10,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-12 15:25:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 23131 states and 31988 transitions. [2022-07-12 15:25:10,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2022-07-12 15:25:10,199 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:25:10,200 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:25:10,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 15:25:10,200 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:25:10,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:25:10,201 INFO L85 PathProgramCache]: Analyzing trace with hash -646740023, now seen corresponding path program 1 times [2022-07-12 15:25:10,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:25:10,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606420866] [2022-07-12 15:25:10,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:25:10,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:25:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:25:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:25:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:25:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:25:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:25:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:25:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:25:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:25:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:25:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:25:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:25:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:25:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:25:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:25:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:25:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:25:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:25:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:25:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:25:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:25:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:25:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:25:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:25:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:25:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:25:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:25:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:25:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:25:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:25:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:25:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:25:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:25:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:25:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:25:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:25:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:25:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:25:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:25:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:25:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:25:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:25:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:25:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:25:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:25:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:25:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:10,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:25:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 5440 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5430 trivial. 0 not checked. [2022-07-12 15:25:11,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:25:11,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606420866] [2022-07-12 15:25:11,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606420866] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:25:11,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:25:11,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:25:11,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630289732] [2022-07-12 15:25:11,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:25:11,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:25:11,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:25:11,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:25:11,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:25:11,004 INFO L87 Difference]: Start difference. First operand 23131 states and 31988 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-12 15:25:15,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:25:15,997 INFO L93 Difference]: Finished difference Result 26332 states and 37537 transitions. [2022-07-12 15:25:15,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:25:15,999 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 486 [2022-07-12 15:25:16,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:25:16,117 INFO L225 Difference]: With dead ends: 26332 [2022-07-12 15:25:16,117 INFO L226 Difference]: Without dead ends: 26330 [2022-07-12 15:25:16,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:25:16,142 INFO L413 NwaCegarLoop]: 4083 mSDtfsCounter, 4918 mSDsluCounter, 7282 mSDsCounter, 0 mSdLazyCounter, 4410 mSolverCounterSat, 1943 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5396 SdHoareTripleChecker+Valid, 11365 SdHoareTripleChecker+Invalid, 6353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1943 IncrementalHoareTripleChecker+Valid, 4410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:25:16,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5396 Valid, 11365 Invalid, 6353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1943 Valid, 4410 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-12 15:25:16,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26330 states. [2022-07-12 15:25:16,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26330 to 23135. [2022-07-12 15:25:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23135 states, 15462 states have (on average 1.279976717112922) internal successors, (19791), 15944 states have internal predecessors, (19791), 6015 states have call successors, (6015), 1686 states have call predecessors, (6015), 1655 states have return successors, (6185), 5776 states have call predecessors, (6185), 6011 states have call successors, (6185) [2022-07-12 15:25:17,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23135 states to 23135 states and 31991 transitions. [2022-07-12 15:25:17,039 INFO L78 Accepts]: Start accepts. Automaton has 23135 states and 31991 transitions. Word has length 486 [2022-07-12 15:25:17,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:25:17,040 INFO L495 AbstractCegarLoop]: Abstraction has 23135 states and 31991 transitions. [2022-07-12 15:25:17,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-12 15:25:17,040 INFO L276 IsEmpty]: Start isEmpty. Operand 23135 states and 31991 transitions. [2022-07-12 15:25:17,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2022-07-12 15:25:17,048 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:25:17,048 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:25:17,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 15:25:17,049 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:25:17,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:25:17,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1509679164, now seen corresponding path program 1 times [2022-07-12 15:25:17,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:25:17,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601262900] [2022-07-12 15:25:17,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:25:17,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:25:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:25:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:25:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:25:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:25:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:25:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:25:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:25:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:25:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:25:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:25:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:25:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:25:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:25:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:25:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:25:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:25:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:25:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:25:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:25:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:25:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:25:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:25:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:25:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:25:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:25:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:25:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:25:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:25:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:25:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:25:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:25:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:25:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:25:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:25:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:25:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:25:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:25:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:25:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:17,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:25:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:25:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:25:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:25:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:25:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:18,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:25:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:25:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:25:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:25:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5450 trivial. 0 not checked. [2022-07-12 15:25:18,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:25:18,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601262900] [2022-07-12 15:25:18,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601262900] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:25:18,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:25:18,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:25:18,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079439431] [2022-07-12 15:25:18,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:25:18,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:25:18,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:25:18,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:25:18,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:25:18,034 INFO L87 Difference]: Start difference. First operand 23135 states and 31991 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-12 15:25:23,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:25:23,286 INFO L93 Difference]: Finished difference Result 26336 states and 37540 transitions. [2022-07-12 15:25:23,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:25:23,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 491 [2022-07-12 15:25:23,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:25:23,375 INFO L225 Difference]: With dead ends: 26336 [2022-07-12 15:25:23,375 INFO L226 Difference]: Without dead ends: 26334 [2022-07-12 15:25:23,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:25:23,394 INFO L413 NwaCegarLoop]: 4081 mSDtfsCounter, 4921 mSDsluCounter, 7280 mSDsCounter, 0 mSdLazyCounter, 4407 mSolverCounterSat, 1945 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5397 SdHoareTripleChecker+Valid, 11361 SdHoareTripleChecker+Invalid, 6352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1945 IncrementalHoareTripleChecker+Valid, 4407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:25:23,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5397 Valid, 11361 Invalid, 6352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1945 Valid, 4407 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-12 15:25:23,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26334 states. [2022-07-12 15:25:24,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26334 to 23139. [2022-07-12 15:25:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23139 states, 15465 states have (on average 1.2799224054316198) internal successors, (19794), 15947 states have internal predecessors, (19794), 6015 states have call successors, (6015), 1687 states have call predecessors, (6015), 1656 states have return successors, (6185), 5776 states have call predecessors, (6185), 6011 states have call successors, (6185) [2022-07-12 15:25:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23139 states to 23139 states and 31994 transitions. [2022-07-12 15:25:24,584 INFO L78 Accepts]: Start accepts. Automaton has 23139 states and 31994 transitions. Word has length 491 [2022-07-12 15:25:24,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:25:24,585 INFO L495 AbstractCegarLoop]: Abstraction has 23139 states and 31994 transitions. [2022-07-12 15:25:24,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-12 15:25:24,585 INFO L276 IsEmpty]: Start isEmpty. Operand 23139 states and 31994 transitions. [2022-07-12 15:25:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-07-12 15:25:24,595 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:25:24,596 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:25:24,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 15:25:24,596 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:25:24,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:25:24,597 INFO L85 PathProgramCache]: Analyzing trace with hash 250738846, now seen corresponding path program 1 times [2022-07-12 15:25:24,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:25:24,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254067813] [2022-07-12 15:25:24,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:25:24,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:25:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:25:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:25:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:25:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:25:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:25:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:25:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:25:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:25:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:25:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:25:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:25:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:25:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:25:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:25:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:25:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:25:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:25:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:25:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:25:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:25:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:25:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:25:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:25:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:25:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:25:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:25:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:25:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:25:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:25:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:25:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:25:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:25:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:25:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:25:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:25:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:25:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:25:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:25:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:25:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:25:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-12 15:25:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-12 15:25:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 15:25:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 15:25:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 15:25:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:25:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 15:25:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-12 15:25:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-12 15:25:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-12 15:25:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-12 15:25:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-12 15:25:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5494 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5475 trivial. 0 not checked. [2022-07-12 15:25:25,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:25:25,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254067813] [2022-07-12 15:25:25,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254067813] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:25:25,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:25:25,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 15:25:25,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766995855] [2022-07-12 15:25:25,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:25:25,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:25:25,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:25:25,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:25:25,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:25:25,205 INFO L87 Difference]: Start difference. First operand 23139 states and 31994 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-07-12 15:25:39,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:25:42,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:25:44,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:25:45,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:25:45,178 INFO L93 Difference]: Finished difference Result 61718 states and 87099 transitions. [2022-07-12 15:25:45,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:25:45,178 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 521 [2022-07-12 15:25:45,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:25:45,394 INFO L225 Difference]: With dead ends: 61718 [2022-07-12 15:25:45,394 INFO L226 Difference]: Without dead ends: 39039 [2022-07-12 15:25:45,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 15:25:45,467 INFO L413 NwaCegarLoop]: 6954 mSDtfsCounter, 6583 mSDsluCounter, 2202 mSDsCounter, 0 mSdLazyCounter, 9632 mSolverCounterSat, 5580 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7176 SdHoareTripleChecker+Valid, 9156 SdHoareTripleChecker+Invalid, 15215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5580 IncrementalHoareTripleChecker+Valid, 9632 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:25:45,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7176 Valid, 9156 Invalid, 15215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5580 Valid, 9632 Invalid, 3 Unknown, 0 Unchecked, 18.1s Time] [2022-07-12 15:25:45,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39039 states. [2022-07-12 15:25:46,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39039 to 34203. [2022-07-12 15:25:46,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34203 states, 22863 states have (on average 1.2808905218037878) internal successors, (29285), 23574 states have internal predecessors, (29285), 8894 states have call successors, (8894), 2489 states have call predecessors, (8894), 2443 states have return successors, (9151), 8545 states have call predecessors, (9151), 8890 states have call successors, (9151) [2022-07-12 15:25:47,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34203 states to 34203 states and 47330 transitions. [2022-07-12 15:25:47,017 INFO L78 Accepts]: Start accepts. Automaton has 34203 states and 47330 transitions. Word has length 521 [2022-07-12 15:25:47,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:25:47,018 INFO L495 AbstractCegarLoop]: Abstraction has 34203 states and 47330 transitions. [2022-07-12 15:25:47,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-07-12 15:25:47,018 INFO L276 IsEmpty]: Start isEmpty. Operand 34203 states and 47330 transitions. [2022-07-12 15:25:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2022-07-12 15:25:47,023 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:25:47,023 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 8, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:25:47,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 15:25:47,023 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:25:47,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:25:47,024 INFO L85 PathProgramCache]: Analyzing trace with hash -582684823, now seen corresponding path program 1 times [2022-07-12 15:25:47,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:25:47,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062994062] [2022-07-12 15:25:47,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:25:47,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:25:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:25:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:25:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:25:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:25:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:25:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:25:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:25:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:25:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:25:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:25:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:25:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:25:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:25:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:25:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:25:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:25:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:25:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:25:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:25:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:25:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:25:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:25:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:25:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:25:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:25:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:25:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:25:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:25:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:25:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:25:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:25:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:25:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:25:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:25:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:25:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:25:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:25:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:25:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:25:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:25:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:25:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:25:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:25:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:25:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:25:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:25:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:25:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 15:25:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5488 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5474 trivial. 0 not checked. [2022-07-12 15:25:47,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:25:47,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062994062] [2022-07-12 15:25:47,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062994062] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:25:47,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:25:47,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:25:47,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800409160] [2022-07-12 15:25:47,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:25:47,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:25:47,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:25:47,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:25:47,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:25:47,935 INFO L87 Difference]: Start difference. First operand 34203 states and 47330 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-12 15:25:53,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:25:53,894 INFO L93 Difference]: Finished difference Result 39459 states and 55976 transitions. [2022-07-12 15:25:53,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:25:53,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 496 [2022-07-12 15:25:53,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:25:54,025 INFO L225 Difference]: With dead ends: 39459 [2022-07-12 15:25:54,026 INFO L226 Difference]: Without dead ends: 39457 [2022-07-12 15:25:54,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:25:54,046 INFO L413 NwaCegarLoop]: 4084 mSDtfsCounter, 4818 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 4575 mSolverCounterSat, 1917 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5256 SdHoareTripleChecker+Valid, 11400 SdHoareTripleChecker+Invalid, 6492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1917 IncrementalHoareTripleChecker+Valid, 4575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:25:54,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5256 Valid, 11400 Invalid, 6492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1917 Valid, 4575 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-12 15:25:54,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39457 states. [2022-07-12 15:25:55,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39457 to 34675. [2022-07-12 15:25:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34675 states, 23190 states have (on average 1.2777059077188444) internal successors, (29630), 23901 states have internal predecessors, (29630), 8903 states have call successors, (8903), 2625 states have call predecessors, (8903), 2579 states have return successors, (9160), 8554 states have call predecessors, (9160), 8899 states have call successors, (9160) [2022-07-12 15:25:55,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34675 states to 34675 states and 47693 transitions. [2022-07-12 15:25:55,938 INFO L78 Accepts]: Start accepts. Automaton has 34675 states and 47693 transitions. Word has length 496 [2022-07-12 15:25:55,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:25:55,939 INFO L495 AbstractCegarLoop]: Abstraction has 34675 states and 47693 transitions. [2022-07-12 15:25:55,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-12 15:25:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 34675 states and 47693 transitions. [2022-07-12 15:25:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2022-07-12 15:25:55,944 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:25:55,944 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 9, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:25:55,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 15:25:55,944 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:25:55,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:25:55,945 INFO L85 PathProgramCache]: Analyzing trace with hash -449549284, now seen corresponding path program 1 times [2022-07-12 15:25:55,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:25:55,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105127552] [2022-07-12 15:25:55,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:25:55,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:25:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:25:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:25:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:25:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:25:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:25:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:25:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:25:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:25:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:25:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:25:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:25:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:25:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:25:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:25:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:25:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:25:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:25:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:25:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:25:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:25:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:25:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:25:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:25:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:25:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:25:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:25:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:25:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:25:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:25:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:25:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:25:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:25:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:25:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:25:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:25:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:25:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:25:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:25:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:25:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:25:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:25:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:25:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:25:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:25:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:25:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:25:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:25:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:25:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 15:25:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-12 15:25:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:25:56,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5518 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5502 trivial. 0 not checked. [2022-07-12 15:25:56,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:25:56,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105127552] [2022-07-12 15:25:56,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105127552] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:25:56,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:25:56,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:25:56,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355289081] [2022-07-12 15:25:56,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:25:56,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:25:56,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:25:56,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:25:56,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:25:56,627 INFO L87 Difference]: Start difference. First operand 34675 states and 47693 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-12 15:26:02,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:26:02,646 INFO L93 Difference]: Finished difference Result 39461 states and 55978 transitions. [2022-07-12 15:26:02,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:26:02,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 501 [2022-07-12 15:26:02,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:26:02,790 INFO L225 Difference]: With dead ends: 39461 [2022-07-12 15:26:02,791 INFO L226 Difference]: Without dead ends: 39459 [2022-07-12 15:26:02,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:26:02,821 INFO L413 NwaCegarLoop]: 4068 mSDtfsCounter, 4930 mSDsluCounter, 7253 mSDsCounter, 0 mSdLazyCounter, 4413 mSolverCounterSat, 1947 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5407 SdHoareTripleChecker+Valid, 11321 SdHoareTripleChecker+Invalid, 6360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1947 IncrementalHoareTripleChecker+Valid, 4413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:26:02,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5407 Valid, 11321 Invalid, 6360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1947 Valid, 4413 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-12 15:26:02,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39459 states. [2022-07-12 15:26:04,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39459 to 34679. [2022-07-12 15:26:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34679 states, 23193 states have (on average 1.277669986633898) internal successors, (29633), 23904 states have internal predecessors, (29633), 8903 states have call successors, (8903), 2626 states have call predecessors, (8903), 2580 states have return successors, (9160), 8554 states have call predecessors, (9160), 8899 states have call successors, (9160) [2022-07-12 15:26:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34679 states to 34679 states and 47696 transitions. [2022-07-12 15:26:04,526 INFO L78 Accepts]: Start accepts. Automaton has 34679 states and 47696 transitions. Word has length 501 [2022-07-12 15:26:04,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:26:04,527 INFO L495 AbstractCegarLoop]: Abstraction has 34679 states and 47696 transitions. [2022-07-12 15:26:04,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-12 15:26:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 34679 states and 47696 transitions. [2022-07-12 15:26:04,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-07-12 15:26:04,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:26:04,532 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 10, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:26:04,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 15:26:04,532 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:26:04,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:26:04,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1159921417, now seen corresponding path program 1 times [2022-07-12 15:26:04,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:26:04,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927781922] [2022-07-12 15:26:04,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:26:04,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:26:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:04,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:26:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:04,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:26:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:26:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:26:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:26:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:26:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:26:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:26:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:26:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:26:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:26:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:26:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:26:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:26:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:26:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:26:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:26:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:26:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:26:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:26:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:26:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:26:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:26:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:26:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:26:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:26:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:26:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:26:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:26:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:26:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:26:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:26:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:26:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:26:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:26:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:26:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:26:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:26:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:26:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:26:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:26:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:26:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:26:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:26:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:26:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:26:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:26:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 15:26:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-12 15:26:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-12 15:26:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:05,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5552 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5534 trivial. 0 not checked. [2022-07-12 15:26:05,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:26:05,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927781922] [2022-07-12 15:26:05,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927781922] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:26:05,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:26:05,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:26:05,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129741026] [2022-07-12 15:26:05,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:26:05,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:26:05,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:26:05,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:26:05,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:26:05,447 INFO L87 Difference]: Start difference. First operand 34679 states and 47696 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-12 15:26:11,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:26:11,493 INFO L93 Difference]: Finished difference Result 39465 states and 55981 transitions. [2022-07-12 15:26:11,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:26:11,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 506 [2022-07-12 15:26:11,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:26:11,690 INFO L225 Difference]: With dead ends: 39465 [2022-07-12 15:26:11,691 INFO L226 Difference]: Without dead ends: 39463 [2022-07-12 15:26:11,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:26:11,706 INFO L413 NwaCegarLoop]: 4073 mSDtfsCounter, 4926 mSDsluCounter, 7263 mSDsCounter, 0 mSdLazyCounter, 4419 mSolverCounterSat, 1942 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5403 SdHoareTripleChecker+Valid, 11336 SdHoareTripleChecker+Invalid, 6361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1942 IncrementalHoareTripleChecker+Valid, 4419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:26:11,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5403 Valid, 11336 Invalid, 6361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1942 Valid, 4419 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-12 15:26:11,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39463 states. [2022-07-12 15:26:13,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39463 to 34683. [2022-07-12 15:26:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34683 states, 23196 states have (on average 1.2776340748404897) internal successors, (29636), 23907 states have internal predecessors, (29636), 8903 states have call successors, (8903), 2627 states have call predecessors, (8903), 2581 states have return successors, (9160), 8554 states have call predecessors, (9160), 8899 states have call successors, (9160) [2022-07-12 15:26:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34683 states to 34683 states and 47699 transitions. [2022-07-12 15:26:13,381 INFO L78 Accepts]: Start accepts. Automaton has 34683 states and 47699 transitions. Word has length 506 [2022-07-12 15:26:13,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:26:13,381 INFO L495 AbstractCegarLoop]: Abstraction has 34683 states and 47699 transitions. [2022-07-12 15:26:13,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-12 15:26:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 34683 states and 47699 transitions. [2022-07-12 15:26:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2022-07-12 15:26:13,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:26:13,387 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 11, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:26:13,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 15:26:13,387 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:26:13,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:26:13,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1644777468, now seen corresponding path program 1 times [2022-07-12 15:26:13,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:26:13,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871636382] [2022-07-12 15:26:13,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:26:13,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:26:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:26:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:26:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:26:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:26:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:26:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:26:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:26:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:26:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:26:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:26:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:26:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:26:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:26:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:26:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:26:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:26:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:26:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:26:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:26:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:26:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:26:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:26:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:26:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:26:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:26:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:26:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:26:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:26:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:26:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:26:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:26:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:26:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:26:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:26:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:26:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:26:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:26:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:26:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:26:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:26:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:26:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:26:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:26:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:26:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:26:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:26:13,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:26:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 15:26:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-12 15:26:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-12 15:26:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-12 15:26:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5590 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5570 trivial. 0 not checked. [2022-07-12 15:26:13,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:26:13,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871636382] [2022-07-12 15:26:13,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871636382] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:26:13,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:26:13,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:26:13,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403274505] [2022-07-12 15:26:13,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:26:13,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:26:13,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:26:13,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:26:13,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:26:13,937 INFO L87 Difference]: Start difference. First operand 34683 states and 47699 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-12 15:26:19,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:26:19,706 INFO L93 Difference]: Finished difference Result 39469 states and 55984 transitions. [2022-07-12 15:26:19,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:26:19,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 511 [2022-07-12 15:26:19,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:26:19,821 INFO L225 Difference]: With dead ends: 39469 [2022-07-12 15:26:19,821 INFO L226 Difference]: Without dead ends: 39467 [2022-07-12 15:26:19,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:26:19,842 INFO L413 NwaCegarLoop]: 4096 mSDtfsCounter, 4912 mSDsluCounter, 7314 mSDsCounter, 0 mSdLazyCounter, 4413 mSolverCounterSat, 1935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5384 SdHoareTripleChecker+Valid, 11410 SdHoareTripleChecker+Invalid, 6348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1935 IncrementalHoareTripleChecker+Valid, 4413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:26:19,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5384 Valid, 11410 Invalid, 6348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1935 Valid, 4413 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-12 15:26:19,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39467 states. [2022-07-12 15:26:21,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39467 to 34687. [2022-07-12 15:26:21,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34687 states, 23199 states have (on average 1.2775981723350145) internal successors, (29639), 23910 states have internal predecessors, (29639), 8903 states have call successors, (8903), 2628 states have call predecessors, (8903), 2582 states have return successors, (9160), 8554 states have call predecessors, (9160), 8899 states have call successors, (9160) [2022-07-12 15:26:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34687 states to 34687 states and 47702 transitions. [2022-07-12 15:26:21,595 INFO L78 Accepts]: Start accepts. Automaton has 34687 states and 47702 transitions. Word has length 511 [2022-07-12 15:26:21,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:26:21,596 INFO L495 AbstractCegarLoop]: Abstraction has 34687 states and 47702 transitions. [2022-07-12 15:26:21,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-12 15:26:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 34687 states and 47702 transitions. [2022-07-12 15:26:21,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2022-07-12 15:26:21,602 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:26:21,602 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 12, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:26:21,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 15:26:21,602 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:26:21,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:26:21,603 INFO L85 PathProgramCache]: Analyzing trace with hash -2024032599, now seen corresponding path program 1 times [2022-07-12 15:26:21,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:26:21,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622116162] [2022-07-12 15:26:21,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:26:21,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:26:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:26:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:26:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:26:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:26:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:26:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:26:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:26:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:26:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:26:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:26:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:26:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:26:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:26:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:26:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:26:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:26:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:26:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:26:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:26:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:26:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:26:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:21,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:26:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:26:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:26:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:26:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:26:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:26:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:26:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:26:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:26:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:26:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:26:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:26:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:26:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:26:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:26:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:26:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:26:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:26:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:26:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:26:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:26:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:26:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:26:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:26:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:26:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:26:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 15:26:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-12 15:26:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-12 15:26:22,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-12 15:26:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-12 15:26:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:22,201 INFO L134 CoverageAnalysis]: Checked inductivity of 5632 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 5610 trivial. 0 not checked. [2022-07-12 15:26:22,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:26:22,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622116162] [2022-07-12 15:26:22,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622116162] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:26:22,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:26:22,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:26:22,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733425737] [2022-07-12 15:26:22,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:26:22,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:26:22,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:26:22,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:26:22,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:26:22,204 INFO L87 Difference]: Start difference. First operand 34687 states and 47702 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-07-12 15:26:28,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:26:28,409 INFO L93 Difference]: Finished difference Result 39473 states and 55987 transitions. [2022-07-12 15:26:28,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:26:28,409 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 516 [2022-07-12 15:26:28,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:26:28,556 INFO L225 Difference]: With dead ends: 39473 [2022-07-12 15:26:28,556 INFO L226 Difference]: Without dead ends: 39471 [2022-07-12 15:26:28,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:26:28,587 INFO L413 NwaCegarLoop]: 4096 mSDtfsCounter, 4913 mSDsluCounter, 7311 mSDsCounter, 0 mSdLazyCounter, 4413 mSolverCounterSat, 1926 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5388 SdHoareTripleChecker+Valid, 11407 SdHoareTripleChecker+Invalid, 6339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1926 IncrementalHoareTripleChecker+Valid, 4413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:26:28,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5388 Valid, 11407 Invalid, 6339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1926 Valid, 4413 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-12 15:26:28,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39471 states. [2022-07-12 15:26:30,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39471 to 34691. [2022-07-12 15:26:30,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34691 states, 23202 states have (on average 1.2775622791138694) internal successors, (29642), 23913 states have internal predecessors, (29642), 8903 states have call successors, (8903), 2629 states have call predecessors, (8903), 2583 states have return successors, (9160), 8554 states have call predecessors, (9160), 8899 states have call successors, (9160) [2022-07-12 15:26:30,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34691 states to 34691 states and 47705 transitions. [2022-07-12 15:26:30,361 INFO L78 Accepts]: Start accepts. Automaton has 34691 states and 47705 transitions. Word has length 516 [2022-07-12 15:26:30,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:26:30,362 INFO L495 AbstractCegarLoop]: Abstraction has 34691 states and 47705 transitions. [2022-07-12 15:26:30,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (55), 4 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-07-12 15:26:30,362 INFO L276 IsEmpty]: Start isEmpty. Operand 34691 states and 47705 transitions. [2022-07-12 15:26:30,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-07-12 15:26:30,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:26:30,370 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 13, 12, 12, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:26:30,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 15:26:30,370 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:26:30,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:26:30,371 INFO L85 PathProgramCache]: Analyzing trace with hash 451709916, now seen corresponding path program 1 times [2022-07-12 15:26:30,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:26:30,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567886322] [2022-07-12 15:26:30,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:26:30,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:26:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:26:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:26:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:26:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:26:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:26:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:26:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:26:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:26:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:26:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:26:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:26:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:26:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:26:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:26:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:26:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:26:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:26:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:26:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:26:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:26:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:26:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:26:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:26:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:26:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:26:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:26:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:26:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:26:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:26:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:26:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:26:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:26:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:30,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:26:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:26:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:26:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:26:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:26:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:26:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:26:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:26:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:26:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:26:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:26:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:26:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:26:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:26:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:26:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 15:26:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-12 15:26:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-12 15:26:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-12 15:26:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-12 15:26:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-12 15:26:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:31,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5678 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 5654 trivial. 0 not checked. [2022-07-12 15:26:31,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:26:31,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567886322] [2022-07-12 15:26:31,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567886322] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:26:31,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:26:31,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:26:31,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424857640] [2022-07-12 15:26:31,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:26:31,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:26:31,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:26:31,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:26:31,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:26:31,077 INFO L87 Difference]: Start difference. First operand 34691 states and 47705 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-12 15:26:37,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:26:37,180 INFO L93 Difference]: Finished difference Result 39477 states and 55990 transitions. [2022-07-12 15:26:37,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:26:37,181 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 521 [2022-07-12 15:26:37,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:26:37,295 INFO L225 Difference]: With dead ends: 39477 [2022-07-12 15:26:37,295 INFO L226 Difference]: Without dead ends: 39475 [2022-07-12 15:26:37,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:26:37,313 INFO L413 NwaCegarLoop]: 4082 mSDtfsCounter, 4921 mSDsluCounter, 7282 mSDsCounter, 0 mSdLazyCounter, 4416 mSolverCounterSat, 1934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5397 SdHoareTripleChecker+Valid, 11364 SdHoareTripleChecker+Invalid, 6350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1934 IncrementalHoareTripleChecker+Valid, 4416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:26:37,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5397 Valid, 11364 Invalid, 6350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1934 Valid, 4416 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-12 15:26:37,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39475 states. [2022-07-12 15:26:38,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39475 to 34695. [2022-07-12 15:26:38,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34695 states, 23205 states have (on average 1.277526395173454) internal successors, (29645), 23916 states have internal predecessors, (29645), 8903 states have call successors, (8903), 2630 states have call predecessors, (8903), 2584 states have return successors, (9160), 8554 states have call predecessors, (9160), 8899 states have call successors, (9160) [2022-07-12 15:26:39,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34695 states to 34695 states and 47708 transitions. [2022-07-12 15:26:39,113 INFO L78 Accepts]: Start accepts. Automaton has 34695 states and 47708 transitions. Word has length 521 [2022-07-12 15:26:39,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:26:39,113 INFO L495 AbstractCegarLoop]: Abstraction has 34695 states and 47708 transitions. [2022-07-12 15:26:39,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-12 15:26:39,113 INFO L276 IsEmpty]: Start isEmpty. Operand 34695 states and 47708 transitions. [2022-07-12 15:26:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2022-07-12 15:26:39,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:26:39,120 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 14, 13, 13, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:26:39,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 15:26:39,120 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:26:39,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:26:39,121 INFO L85 PathProgramCache]: Analyzing trace with hash 280827465, now seen corresponding path program 1 times [2022-07-12 15:26:39,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:26:39,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168578936] [2022-07-12 15:26:39,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:26:39,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:26:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:26:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:26:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:26:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:26:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:26:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:26:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:26:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:26:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:26:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:26:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:26:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:26:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:26:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:26:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:26:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:26:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:26:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:26:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:26:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:26:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:26:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:26:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:26:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:26:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:26:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:26:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:26:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:26:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:26:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:26:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:26:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:26:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:26:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:26:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:26:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:26:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:26:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:26:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:26:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:26:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:26:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:26:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:26:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:26:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:26:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:26:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:26:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 15:26:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-12 15:26:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-12 15:26:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-12 15:26:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-12 15:26:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-12 15:26:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-12 15:26:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 5728 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 5702 trivial. 0 not checked. [2022-07-12 15:26:39,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:26:39,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168578936] [2022-07-12 15:26:39,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168578936] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:26:39,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:26:39,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:26:39,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425332399] [2022-07-12 15:26:39,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:26:39,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:26:39,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:26:39,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:26:39,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:26:39,858 INFO L87 Difference]: Start difference. First operand 34695 states and 47708 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-07-12 15:26:45,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:26:45,952 INFO L93 Difference]: Finished difference Result 39481 states and 55993 transitions. [2022-07-12 15:26:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:26:45,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 526 [2022-07-12 15:26:45,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:26:46,192 INFO L225 Difference]: With dead ends: 39481 [2022-07-12 15:26:46,193 INFO L226 Difference]: Without dead ends: 39479 [2022-07-12 15:26:46,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:26:46,209 INFO L413 NwaCegarLoop]: 4090 mSDtfsCounter, 4913 mSDsluCounter, 7297 mSDsCounter, 0 mSdLazyCounter, 4428 mSolverCounterSat, 1927 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5390 SdHoareTripleChecker+Valid, 11387 SdHoareTripleChecker+Invalid, 6355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1927 IncrementalHoareTripleChecker+Valid, 4428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:26:46,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5390 Valid, 11387 Invalid, 6355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1927 Valid, 4428 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-12 15:26:46,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39479 states. [2022-07-12 15:26:47,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39479 to 34699. [2022-07-12 15:26:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34699 states, 23208 states have (on average 1.277490520510169) internal successors, (29648), 23919 states have internal predecessors, (29648), 8903 states have call successors, (8903), 2631 states have call predecessors, (8903), 2585 states have return successors, (9160), 8554 states have call predecessors, (9160), 8899 states have call successors, (9160) [2022-07-12 15:26:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34699 states to 34699 states and 47711 transitions. [2022-07-12 15:26:47,931 INFO L78 Accepts]: Start accepts. Automaton has 34699 states and 47711 transitions. Word has length 526 [2022-07-12 15:26:47,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:26:47,932 INFO L495 AbstractCegarLoop]: Abstraction has 34699 states and 47711 transitions. [2022-07-12 15:26:47,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (57), 4 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-07-12 15:26:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 34699 states and 47711 transitions. [2022-07-12 15:26:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2022-07-12 15:26:47,938 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:26:47,939 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 34, 34, 34, 34, 34, 34, 15, 14, 14, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:26:47,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 15:26:47,939 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:26:47,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:26:47,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1943019452, now seen corresponding path program 1 times [2022-07-12 15:26:47,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:26:47,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22616470] [2022-07-12 15:26:47,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:26:47,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:26:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:26:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:26:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:26:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:26:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:26:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:26:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:26:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:26:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:26:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:26:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:26:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:26:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:26:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:26:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:26:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:26:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:26:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:26:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:26:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:26:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:26:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:26:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:26:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:26:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:26:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:26:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:26:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:26:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:26:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:26:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:26:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:26:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:26:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:26:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:26:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:26:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:26:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:26:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:26:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:26:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:26:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:26:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:26:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:26:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:26:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:26:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:26:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 15:26:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-12 15:26:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-12 15:26:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-12 15:26:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-12 15:26:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-12 15:26:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-12 15:26:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-12 15:26:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5782 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5754 trivial. 0 not checked. [2022-07-12 15:26:48,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:26:48,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22616470] [2022-07-12 15:26:48,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22616470] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:26:48,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:26:48,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:26:48,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163696490] [2022-07-12 15:26:48,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:26:48,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:26:48,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:26:48,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:26:48,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:26:48,436 INFO L87 Difference]: Start difference. First operand 34699 states and 47711 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-12 15:26:54,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:26:54,867 INFO L93 Difference]: Finished difference Result 39485 states and 55996 transitions. [2022-07-12 15:26:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:26:54,867 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 531 [2022-07-12 15:26:54,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:26:55,016 INFO L225 Difference]: With dead ends: 39485 [2022-07-12 15:26:55,016 INFO L226 Difference]: Without dead ends: 39483 [2022-07-12 15:26:55,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:26:55,041 INFO L413 NwaCegarLoop]: 4081 mSDtfsCounter, 4925 mSDsluCounter, 7286 mSDsCounter, 0 mSdLazyCounter, 4419 mSolverCounterSat, 1937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5395 SdHoareTripleChecker+Valid, 11367 SdHoareTripleChecker+Invalid, 6356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1937 IncrementalHoareTripleChecker+Valid, 4419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:26:55,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5395 Valid, 11367 Invalid, 6356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1937 Valid, 4419 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-12 15:26:55,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39483 states. [2022-07-12 15:26:56,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39483 to 34703. [2022-07-12 15:26:56,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34703 states, 23211 states have (on average 1.2774546551204171) internal successors, (29651), 23922 states have internal predecessors, (29651), 8903 states have call successors, (8903), 2632 states have call predecessors, (8903), 2586 states have return successors, (9160), 8554 states have call predecessors, (9160), 8899 states have call successors, (9160) [2022-07-12 15:26:56,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34703 states to 34703 states and 47714 transitions. [2022-07-12 15:26:56,925 INFO L78 Accepts]: Start accepts. Automaton has 34703 states and 47714 transitions. Word has length 531 [2022-07-12 15:26:56,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:26:56,926 INFO L495 AbstractCegarLoop]: Abstraction has 34703 states and 47714 transitions. [2022-07-12 15:26:56,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-12 15:26:56,926 INFO L276 IsEmpty]: Start isEmpty. Operand 34703 states and 47714 transitions. [2022-07-12 15:26:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2022-07-12 15:26:56,935 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:26:56,935 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:26:56,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 15:26:56,935 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:26:56,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:26:56,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1897909520, now seen corresponding path program 1 times [2022-07-12 15:26:56,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:26:56,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571731849] [2022-07-12 15:26:56,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:26:56,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:26:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:26:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:26:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:26:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:26:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:26:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:26:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:26:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:26:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:26:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:26:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:26:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:26:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:26:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:26:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:26:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:26:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:26:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:26:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:26:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:26:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:26:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:26:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:26:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:26:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:26:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:26:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:26:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:26:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:26:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:26:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:26:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:26:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:26:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:26:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:26:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:26:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:26:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:26:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:26:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:26:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:26:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-12 15:26:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-12 15:26:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:26:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-12 15:26:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-12 15:26:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-12 15:26:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-12 15:26:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:26:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 5780 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 5746 trivial. 0 not checked. [2022-07-12 15:26:57,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:26:57,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571731849] [2022-07-12 15:26:57,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571731849] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:26:57,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:26:57,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:26:57,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170366546] [2022-07-12 15:26:57,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:26:57,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:26:57,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:26:57,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:26:57,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:26:57,331 INFO L87 Difference]: Start difference. First operand 34703 states and 47714 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-12 15:27:05,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:27:05,728 INFO L93 Difference]: Finished difference Result 86691 states and 121467 transitions. [2022-07-12 15:27:05,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:27:05,728 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 529 [2022-07-12 15:27:05,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:27:05,890 INFO L225 Difference]: With dead ends: 86691 [2022-07-12 15:27:05,890 INFO L226 Difference]: Without dead ends: 52448 [2022-07-12 15:27:05,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:27:05,974 INFO L413 NwaCegarLoop]: 7963 mSDtfsCounter, 4796 mSDsluCounter, 6044 mSDsCounter, 0 mSdLazyCounter, 3733 mSolverCounterSat, 2000 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5544 SdHoareTripleChecker+Valid, 14007 SdHoareTripleChecker+Invalid, 5733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2000 IncrementalHoareTripleChecker+Valid, 3733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:27:05,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5544 Valid, 14007 Invalid, 5733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2000 Valid, 3733 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-12 15:27:06,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52448 states. [2022-07-12 15:27:08,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52448 to 45995. [2022-07-12 15:27:08,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45995 states, 30753 states have (on average 1.2777940363541769) internal successors, (39296), 31693 states have internal predecessors, (39296), 11805 states have call successors, (11805), 3495 states have call predecessors, (11805), 3434 states have return successors, (12149), 11346 states have call predecessors, (12149), 11801 states have call successors, (12149) [2022-07-12 15:27:08,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45995 states to 45995 states and 63250 transitions. [2022-07-12 15:27:08,678 INFO L78 Accepts]: Start accepts. Automaton has 45995 states and 63250 transitions. Word has length 529 [2022-07-12 15:27:08,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:27:08,678 INFO L495 AbstractCegarLoop]: Abstraction has 45995 states and 63250 transitions. [2022-07-12 15:27:08,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-12 15:27:08,678 INFO L276 IsEmpty]: Start isEmpty. Operand 45995 states and 63250 transitions. [2022-07-12 15:27:08,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2022-07-12 15:27:08,686 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:27:08,687 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 34, 34, 34, 34, 34, 34, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:27:08,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-12 15:27:08,687 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:27:08,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:27:08,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1405283346, now seen corresponding path program 1 times [2022-07-12 15:27:08,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:27:08,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269228768] [2022-07-12 15:27:08,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:27:08,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:27:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:27:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:27:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:27:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:27:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:27:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:27:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:27:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 15:27:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 15:27:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:27:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 15:27:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 15:27:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 15:27:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:27:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:27:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 15:27:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 15:27:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:27:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:27:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 15:27:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 15:27:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 15:27:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:27:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 15:27:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 15:27:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:27:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 15:27:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 15:27:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 15:27:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:27:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:27:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 15:27:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 15:27:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 15:27:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 15:27:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 15:27:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 15:27:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:27:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:27:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:27:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 15:27:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-12 15:27:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-12 15:27:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:27:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-12 15:27:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-12 15:27:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-12 15:27:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-12 15:27:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:27:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5780 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 5746 trivial. 0 not checked. [2022-07-12 15:27:09,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:27:09,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269228768] [2022-07-12 15:27:09,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269228768] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:27:09,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:27:09,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:27:09,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590111849] [2022-07-12 15:27:09,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:27:09,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:27:09,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:27:09,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:27:09,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:27:09,143 INFO L87 Difference]: Start difference. First operand 45995 states and 63250 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48)