./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-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa --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 ebed12b86dce507000a7a0630996a9595573172c73db75fed69855441af252c1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:17:08,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:17:08,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:17:08,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:17:08,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:17:08,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:17:08,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:17:08,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:17:08,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:17:08,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:17:08,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:17:08,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:17:08,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:17:08,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:17:08,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:17:08,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:17:08,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:17:08,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:17:08,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:17:08,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:17:08,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:17:08,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:17:08,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:17:08,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:17:08,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:17:08,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:17:08,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:17:08,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:17:08,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:17:08,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:17:08,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:17:08,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:17:08,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:17:08,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:17:08,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:17:08,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:17:08,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:17:08,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:17:08,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:17:08,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:17:08,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:17:08,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 20:17:08,637 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:17:08,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:17:08,637 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:17:08,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:17:08,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:17:08,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:17:08,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:17:08,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:17:08,639 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:17:08,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:17:08,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:17:08,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:17:08,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:17:08,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:17:08,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:17:08,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:17:08,640 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:17:08,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:17:08,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:17:08,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:17:08,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:17:08,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:17:08,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:17:08,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:17:08,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:17:08,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:17:08,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:17:08,641 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:17:08,641 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:17:08,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:17:08,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:17:08,642 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebed12b86dce507000a7a0630996a9595573172c73db75fed69855441af252c1 [2021-12-06 20:17:08,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:17:08,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:17:08,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:17:08,848 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:17:08,848 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:17:08,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2021-12-06 20:17:08,897 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/data/581e61298/e5c19573f9914ca88e0bc90ad0bf0c6f/FLAG243921473 [2021-12-06 20:17:09,505 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:17:09,506 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2021-12-06 20:17:09,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/data/581e61298/e5c19573f9914ca88e0bc90ad0bf0c6f/FLAG243921473 [2021-12-06 20:17:09,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/data/581e61298/e5c19573f9914ca88e0bc90ad0bf0c6f [2021-12-06 20:17:09,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:17:09,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:17:09,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:17:09,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:17:09,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:17:09,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:17:09" (1/1) ... [2021-12-06 20:17:09,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@faab491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:09, skipping insertion in model container [2021-12-06 20:17:09,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:17:09" (1/1) ... [2021-12-06 20:17:09,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:17:10,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:17:12,785 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2021-12-06 20:17:12,787 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2021-12-06 20:17:12,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2021-12-06 20:17:12,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2021-12-06 20:17:12,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:17:12,837 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:17:13,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2021-12-06 20:17:13,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2021-12-06 20:17:13,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2021-12-06 20:17:13,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2021-12-06 20:17:13,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:17:13,245 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:17:13,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13 WrapperNode [2021-12-06 20:17:13,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:17:13,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:17:13,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:17:13,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:17:13,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13" (1/1) ... [2021-12-06 20:17:13,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13" (1/1) ... [2021-12-06 20:17:13,534 INFO L137 Inliner]: procedures = 553, calls = 3557, calls flagged for inlining = 272, calls inlined = 248, statements flattened = 8870 [2021-12-06 20:17:13,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:17:13,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:17:13,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:17:13,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:17:13,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13" (1/1) ... [2021-12-06 20:17:13,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13" (1/1) ... [2021-12-06 20:17:13,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13" (1/1) ... [2021-12-06 20:17:13,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13" (1/1) ... [2021-12-06 20:17:13,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13" (1/1) ... [2021-12-06 20:17:13,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13" (1/1) ... [2021-12-06 20:17:13,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13" (1/1) ... [2021-12-06 20:17:13,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:17:13,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:17:13,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:17:13,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:17:13,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13" (1/1) ... [2021-12-06 20:17:13,856 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:17:13,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:17:13,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:17:13,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_233e030e-753c-4da0-a555-375c07a3be30/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:17:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2021-12-06 20:17:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2021-12-06 20:17:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2021-12-06 20:17:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2021-12-06 20:17:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 20:17:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 20:17:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2021-12-06 20:17:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2021-12-06 20:17:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2021-12-06 20:17:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2021-12-06 20:17:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-06 20:17:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-06 20:17:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 20:17:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 20:17:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2021-12-06 20:17:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2021-12-06 20:17:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2021-12-06 20:17:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2021-12-06 20:17:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 20:17:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 20:17:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-06 20:17:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-06 20:17:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2021-12-06 20:17:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2021-12-06 20:17:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2021-12-06 20:17:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2021-12-06 20:17:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2021-12-06 20:17:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2021-12-06 20:17:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2021-12-06 20:17:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2021-12-06 20:17:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2021-12-06 20:17:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2021-12-06 20:17:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2021-12-06 20:17:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2021-12-06 20:17:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2021-12-06 20:17:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2021-12-06 20:17:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2021-12-06 20:17:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2021-12-06 20:17:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2021-12-06 20:17:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2021-12-06 20:17:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_48 [2021-12-06 20:17:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_48 [2021-12-06 20:17:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_57 [2021-12-06 20:17:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_57 [2021-12-06 20:17:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2021-12-06 20:17:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2021-12-06 20:17:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 20:17:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2021-12-06 20:17:13,916 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2021-12-06 20:17:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2021-12-06 20:17:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2021-12-06 20:17:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 20:17:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 20:17:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-06 20:17:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-06 20:17:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 20:17:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 20:17:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:17:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2021-12-06 20:17:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2021-12-06 20:17:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-06 20:17:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-06 20:17:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2021-12-06 20:17:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2021-12-06 20:17:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-06 20:17:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-06 20:17:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 20:17:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 20:17:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-12-06 20:17:13,918 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-12-06 20:17:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2021-12-06 20:17:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2021-12-06 20:17:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2021-12-06 20:17:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2021-12-06 20:17:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2021-12-06 20:17:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2021-12-06 20:17:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2021-12-06 20:17:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2021-12-06 20:17:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 20:17:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 20:17:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_54 [2021-12-06 20:17:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_54 [2021-12-06 20:17:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2021-12-06 20:17:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2021-12-06 20:17:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 20:17:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 20:17:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 20:17:13,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2021-12-06 20:17:13,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2021-12-06 20:17:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2021-12-06 20:17:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2021-12-06 20:17:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2021-12-06 20:17:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2021-12-06 20:17:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 20:17:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 20:17:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 20:17:13,921 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2021-12-06 20:17:13,921 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2021-12-06 20:17:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2021-12-06 20:17:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2021-12-06 20:17:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 20:17:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2021-12-06 20:17:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2021-12-06 20:17:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2021-12-06 20:17:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2021-12-06 20:17:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 20:17:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 20:17:13,922 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2021-12-06 20:17:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2021-12-06 20:17:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2021-12-06 20:17:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2021-12-06 20:17:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2021-12-06 20:17:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2021-12-06 20:17:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-06 20:17:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-06 20:17:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 20:17:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 20:17:13,923 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2021-12-06 20:17:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2021-12-06 20:17:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-06 20:17:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-06 20:17:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2021-12-06 20:17:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2021-12-06 20:17:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2021-12-06 20:17:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2021-12-06 20:17:13,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 20:17:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 20:17:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:17:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-06 20:17:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-06 20:17:13,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-06 20:17:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-06 20:17:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-06 20:17:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-06 20:17:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-06 20:17:13,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-06 20:17:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-06 20:17:13,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-06 20:17:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-12-06 20:17:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-06 20:17:13,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-06 20:17:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:17:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 20:17:13,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 20:17:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:17:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 20:17:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2021-12-06 20:17:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2021-12-06 20:17:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-06 20:17:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-06 20:17:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2021-12-06 20:17:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2021-12-06 20:17:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2021-12-06 20:17:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2021-12-06 20:17:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2021-12-06 20:17:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2021-12-06 20:17:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-06 20:17:13,956 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-06 20:17:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-06 20:17:13,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-06 20:17:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2021-12-06 20:17:13,957 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2021-12-06 20:17:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 20:17:13,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 20:17:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2021-12-06 20:17:13,957 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2021-12-06 20:17:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2021-12-06 20:17:13,957 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2021-12-06 20:17:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2021-12-06 20:17:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2021-12-06 20:17:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:17:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:17:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2021-12-06 20:17:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2021-12-06 20:17:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 20:17:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 20:17:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2021-12-06 20:17:13,958 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2021-12-06 20:17:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-06 20:17:13,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-06 20:17:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2021-12-06 20:17:13,959 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2021-12-06 20:17:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-12-06 20:17:13,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-12-06 20:17:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 20:17:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:17:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2021-12-06 20:17:13,959 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2021-12-06 20:17:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 20:17:13,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 20:17:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2021-12-06 20:17:13,960 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2021-12-06 20:17:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 20:17:13,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 20:17:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-06 20:17:13,960 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-06 20:17:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-06 20:17:13,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-06 20:17:13,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-06 20:17:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-06 20:17:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2021-12-06 20:17:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2021-12-06 20:17:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2021-12-06 20:17:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2021-12-06 20:17:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-06 20:17:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-06 20:17:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-06 20:17:13,961 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-06 20:17:13,961 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2021-12-06 20:17:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2021-12-06 20:17:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2021-12-06 20:17:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2021-12-06 20:17:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 20:17:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 20:17:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2021-12-06 20:17:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2021-12-06 20:17:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 20:17:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 20:17:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2021-12-06 20:17:13,962 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2021-12-06 20:17:13,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 20:17:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 20:17:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2021-12-06 20:17:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2021-12-06 20:17:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2021-12-06 20:17:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2021-12-06 20:17:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2021-12-06 20:17:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2021-12-06 20:17:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2021-12-06 20:17:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2021-12-06 20:17:13,963 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-06 20:17:13,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-06 20:17:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2021-12-06 20:17:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2021-12-06 20:17:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:17:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 20:17:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 20:17:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2021-12-06 20:17:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2021-12-06 20:17:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-06 20:17:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-06 20:17:13,964 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2021-12-06 20:17:13,964 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2021-12-06 20:17:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:17:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-06 20:17:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-06 20:17:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-12-06 20:17:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-12-06 20:17:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-06 20:17:13,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-06 20:17:13,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:17:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-06 20:17:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-06 20:17:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 20:17:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 20:17:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2021-12-06 20:17:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2021-12-06 20:17:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 20:17:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 20:17:13,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 20:17:13,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 20:17:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2021-12-06 20:17:13,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2021-12-06 20:17:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2021-12-06 20:17:13,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2021-12-06 20:17:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 20:17:13,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 20:17:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_55 [2021-12-06 20:17:13,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_55 [2021-12-06 20:17:13,967 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 20:17:13,967 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 20:17:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2021-12-06 20:17:13,968 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2021-12-06 20:17:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_49 [2021-12-06 20:17:13,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_49 [2021-12-06 20:17:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2021-12-06 20:17:13,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2021-12-06 20:17:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2021-12-06 20:17:13,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2021-12-06 20:17:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2021-12-06 20:17:13,968 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2021-12-06 20:17:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 20:17:13,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 20:17:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2021-12-06 20:17:13,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2021-12-06 20:17:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2021-12-06 20:17:13,969 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2021-12-06 20:17:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2021-12-06 20:17:13,969 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2021-12-06 20:17:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-06 20:17:13,969 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-06 20:17:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2021-12-06 20:17:13,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2021-12-06 20:17:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 20:17:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2021-12-06 20:17:13,970 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2021-12-06 20:17:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2021-12-06 20:17:13,970 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2021-12-06 20:17:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 20:17:13,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 20:17:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2021-12-06 20:17:13,971 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2021-12-06 20:17:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2021-12-06 20:17:13,971 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2021-12-06 20:17:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-12-06 20:17:13,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-12-06 20:17:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2021-12-06 20:17:13,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2021-12-06 20:17:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2021-12-06 20:17:13,971 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2021-12-06 20:17:13,971 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-06 20:17:13,971 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-06 20:17:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2021-12-06 20:17:13,972 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2021-12-06 20:17:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-06 20:17:13,972 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-06 20:17:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2021-12-06 20:17:13,972 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2021-12-06 20:17:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-06 20:17:13,972 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-06 20:17:13,972 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-06 20:17:13,972 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-06 20:17:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 20:17:13,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 20:17:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-06 20:17:13,973 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-06 20:17:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2021-12-06 20:17:13,973 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2021-12-06 20:17:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 20:17:13,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 20:17:13,973 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2021-12-06 20:17:13,973 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2021-12-06 20:17:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 20:17:13,974 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 20:17:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:17:13,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 20:17:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-06 20:17:13,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-06 20:17:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:17:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2021-12-06 20:17:13,974 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2021-12-06 20:17:13,974 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2021-12-06 20:17:13,975 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2021-12-06 20:17:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2021-12-06 20:17:13,975 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2021-12-06 20:17:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 20:17:13,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 20:17:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-06 20:17:13,975 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2021-12-06 20:17:13,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2021-12-06 20:17:14,689 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:17:14,693 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:17:14,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 20:17:15,436 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2021-12-06 20:17:20,741 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-06 20:17:20,859 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:17:20,887 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:17:20,887 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-12-06 20:17:20,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:17:20 BoogieIcfgContainer [2021-12-06 20:17:20,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:17:20,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:17:20,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:17:20,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:17:20,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:17:09" (1/3) ... [2021-12-06 20:17:20,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c32d5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:17:20, skipping insertion in model container [2021-12-06 20:17:20,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:17:13" (2/3) ... [2021-12-06 20:17:20,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c32d5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:17:20, skipping insertion in model container [2021-12-06 20:17:20,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:17:20" (3/3) ... [2021-12-06 20:17:20,898 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2021-12-06 20:17:20,902 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:17:20,902 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-06 20:17:20,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:17:20,954 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:17:20,954 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-06 20:17:21,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 3206 states, 2121 states have (on average 1.297972654408298) internal successors, (2753), 2174 states have internal predecessors, (2753), 917 states have call successors, (917), 165 states have call predecessors, (917), 164 states have return successors, (906), 900 states have call predecessors, (906), 906 states have call successors, (906) [2021-12-06 20:17:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2021-12-06 20:17:21,037 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:21,038 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:21,039 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:17:21,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:21,043 INFO L85 PathProgramCache]: Analyzing trace with hash -564332048, now seen corresponding path program 1 times [2021-12-06 20:17:21,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:21,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451235677] [2021-12-06 20:17:21,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:21,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:17:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:17:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:17:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:17:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:17:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:17:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:17:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:17:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:17:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:17:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:17:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:17:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:17:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:17:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:17:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:17:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:17:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:17:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:17:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:17:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:17:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:17:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:17:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:17:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:17:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:17:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:17:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:17:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:17:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:17:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:17:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:17:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:17:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:17:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:17:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:17:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:17:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:17:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:17:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:17:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:17:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:17:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:17:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:17:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:17:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-06 20:17:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:22,336 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2021-12-06 20:17:22,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:22,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451235677] [2021-12-06 20:17:22,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451235677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:17:22,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:17:22,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:17:22,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186622233] [2021-12-06 20:17:22,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:17:22,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:17:22,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:22,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:17:22,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:17:22,371 INFO L87 Difference]: Start difference. First operand has 3206 states, 2121 states have (on average 1.297972654408298) internal successors, (2753), 2174 states have internal predecessors, (2753), 917 states have call successors, (917), 165 states have call predecessors, (917), 164 states have return successors, (906), 900 states have call predecessors, (906), 906 states have call successors, (906) Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-06 20:17:25,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:17:29,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:29,240 INFO L93 Difference]: Finished difference Result 9365 states and 13922 transitions. [2021-12-06 20:17:29,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:17:29,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 516 [2021-12-06 20:17:29,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:29,317 INFO L225 Difference]: With dead ends: 9365 [2021-12-06 20:17:29,318 INFO L226 Difference]: Without dead ends: 6236 [2021-12-06 20:17:29,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:17:29,356 INFO L933 BasicCegarLoop]: 5014 mSDtfsCounter, 4808 mSDsluCounter, 5765 mSDsCounter, 0 mSdLazyCounter, 2494 mSolverCounterSat, 2190 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5508 SdHoareTripleChecker+Valid, 10779 SdHoareTripleChecker+Invalid, 4685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2190 IncrementalHoareTripleChecker+Valid, 2494 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:29,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5508 Valid, 10779 Invalid, 4685 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2190 Valid, 2494 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2021-12-06 20:17:29,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6236 states. [2021-12-06 20:17:29,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6236 to 6116. [2021-12-06 20:17:29,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6116 states, 4058 states have (on average 1.2727944800394282) internal successors, (5165), 4157 states have internal predecessors, (5165), 1730 states have call successors, (1730), 325 states have call predecessors, (1730), 324 states have return successors, (1726), 1714 states have call predecessors, (1726), 1726 states have call successors, (1726) [2021-12-06 20:17:29,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6116 states to 6116 states and 8621 transitions. [2021-12-06 20:17:29,711 INFO L78 Accepts]: Start accepts. Automaton has 6116 states and 8621 transitions. Word has length 516 [2021-12-06 20:17:29,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:29,714 INFO L470 AbstractCegarLoop]: Abstraction has 6116 states and 8621 transitions. [2021-12-06 20:17:29,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-06 20:17:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 6116 states and 8621 transitions. [2021-12-06 20:17:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2021-12-06 20:17:29,731 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:29,731 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:29,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:17:29,731 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:17:29,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:29,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1772775438, now seen corresponding path program 1 times [2021-12-06 20:17:29,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:29,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122475134] [2021-12-06 20:17:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:29,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:29,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:17:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:17:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:29,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:17:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:29,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:17:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:17:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:17:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:17:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:17:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:17:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:17:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:17:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:17:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:17:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:17:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:17:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:17:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:17:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:17:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:17:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:17:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:17:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:17:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:17:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:17:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:17:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:17:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:17:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:17:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:17:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:17:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:17:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:17:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:17:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:17:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:17:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:17:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:17:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:17:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:17:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:17:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:17:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:17:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:17:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:17:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:17:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 20:17:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 20:17:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-06 20:17:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2021-12-06 20:17:30,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:30,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122475134] [2021-12-06 20:17:30,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122475134] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:17:30,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:17:30,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:17:30,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221927383] [2021-12-06 20:17:30,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:17:30,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:17:30,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:30,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:17:30,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:17:30,611 INFO L87 Difference]: Start difference. First operand 6116 states and 8621 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 20:17:34,711 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 [] [2021-12-06 20:17:37,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:37,260 INFO L93 Difference]: Finished difference Result 14492 states and 20388 transitions. [2021-12-06 20:17:37,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:17:37,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 535 [2021-12-06 20:17:37,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:37,310 INFO L225 Difference]: With dead ends: 14492 [2021-12-06 20:17:37,310 INFO L226 Difference]: Without dead ends: 8469 [2021-12-06 20:17:37,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:17:37,330 INFO L933 BasicCegarLoop]: 4903 mSDtfsCounter, 4194 mSDsluCounter, 5754 mSDsCounter, 0 mSdLazyCounter, 2428 mSolverCounterSat, 2076 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4818 SdHoareTripleChecker+Valid, 10657 SdHoareTripleChecker+Invalid, 4505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2076 IncrementalHoareTripleChecker+Valid, 2428 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:37,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4818 Valid, 10657 Invalid, 4505 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2076 Valid, 2428 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2021-12-06 20:17:37,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8469 states. [2021-12-06 20:17:37,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8469 to 8297. [2021-12-06 20:17:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8297 states, 5498 states have (on average 1.2642779192433613) internal successors, (6951), 5633 states have internal predecessors, (6951), 2324 states have call successors, (2324), 472 states have call predecessors, (2324), 471 states have return successors, (2324), 2301 states have call predecessors, (2324), 2320 states have call successors, (2324) [2021-12-06 20:17:37,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8297 states to 8297 states and 11599 transitions. [2021-12-06 20:17:37,665 INFO L78 Accepts]: Start accepts. Automaton has 8297 states and 11599 transitions. Word has length 535 [2021-12-06 20:17:37,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:37,667 INFO L470 AbstractCegarLoop]: Abstraction has 8297 states and 11599 transitions. [2021-12-06 20:17:37,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 20:17:37,668 INFO L276 IsEmpty]: Start isEmpty. Operand 8297 states and 11599 transitions. [2021-12-06 20:17:37,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2021-12-06 20:17:37,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:37,679 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:37,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:17:37,680 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:17:37,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:37,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1949220871, now seen corresponding path program 1 times [2021-12-06 20:17:37,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:37,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252972729] [2021-12-06 20:17:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:37,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:17:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:17:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:17:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:17:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:17:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:17:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:17:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:17:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:17:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:37,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:17:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:17:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:17:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:17:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:17:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:17:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:17:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:17:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:17:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:17:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:17:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:17:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:17:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:17:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:17:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:17:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:17:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:17:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:17:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:17:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:17:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:17:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:17:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:17:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:17:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:17:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:17:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:17:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:17:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:17:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:17:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:17:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:17:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:17:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:17:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:17:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-06 20:17:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:17:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:17:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2021-12-06 20:17:38,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:38,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252972729] [2021-12-06 20:17:38,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252972729] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:17:38,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:17:38,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:17:38,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709612019] [2021-12-06 20:17:38,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:17:38,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:17:38,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:38,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:17:38,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:17:38,463 INFO L87 Difference]: Start difference. First operand 8297 states and 11599 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 20:17:41,839 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 [] [2021-12-06 20:17:45,277 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 [] [2021-12-06 20:17:46,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:46,518 INFO L93 Difference]: Finished difference Result 22083 states and 30884 transitions. [2021-12-06 20:17:46,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:17:46,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 534 [2021-12-06 20:17:46,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:46,592 INFO L225 Difference]: With dead ends: 22083 [2021-12-06 20:17:46,593 INFO L226 Difference]: Without dead ends: 13879 [2021-12-06 20:17:46,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:17:46,622 INFO L933 BasicCegarLoop]: 4966 mSDtfsCounter, 4686 mSDsluCounter, 5754 mSDsCounter, 0 mSdLazyCounter, 2514 mSolverCounterSat, 2200 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5378 SdHoareTripleChecker+Valid, 10720 SdHoareTripleChecker+Invalid, 4716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2200 IncrementalHoareTripleChecker+Valid, 2514 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:46,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5378 Valid, 10720 Invalid, 4716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2200 Valid, 2514 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2021-12-06 20:17:46,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13879 states. [2021-12-06 20:17:47,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13879 to 13603. [2021-12-06 20:17:47,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13603 states, 9056 states have (on average 1.2632508833922262) internal successors, (11440), 9282 states have internal predecessors, (11440), 3753 states have call successors, (3753), 791 states have call predecessors, (3753), 790 states have return successors, (3765), 3713 states have call predecessors, (3765), 3749 states have call successors, (3765) [2021-12-06 20:17:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13603 states to 13603 states and 18958 transitions. [2021-12-06 20:17:47,115 INFO L78 Accepts]: Start accepts. Automaton has 13603 states and 18958 transitions. Word has length 534 [2021-12-06 20:17:47,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:47,116 INFO L470 AbstractCegarLoop]: Abstraction has 13603 states and 18958 transitions. [2021-12-06 20:17:47,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 20:17:47,117 INFO L276 IsEmpty]: Start isEmpty. Operand 13603 states and 18958 transitions. [2021-12-06 20:17:47,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2021-12-06 20:17:47,121 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:47,122 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:17:47,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:17:47,122 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:17:47,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:47,123 INFO L85 PathProgramCache]: Analyzing trace with hash 643930005, now seen corresponding path program 1 times [2021-12-06 20:17:47,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:47,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827422121] [2021-12-06 20:17:47,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:47,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:17:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:17:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:17:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:17:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:17:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:17:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:17:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:17:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:17:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:17:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:17:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:17:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:17:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:17:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:17:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:17:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:17:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:17:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:17:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:17:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:17:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:17:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:17:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:17:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:17:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:17:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:17:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:17:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:17:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:17:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:17:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:17:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:17:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:17:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:17:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:17:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:17:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:17:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:17:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:17:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:17:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:17:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:17:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:17:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:17:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-12-06 20:17:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-06 20:17:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:17:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2021-12-06 20:17:47,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:47,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827422121] [2021-12-06 20:17:47,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827422121] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:17:47,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:17:47,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:17:47,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836034227] [2021-12-06 20:17:47,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:17:47,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:17:47,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:47,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:17:47,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:17:47,821 INFO L87 Difference]: Start difference. First operand 13603 states and 18958 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 20:17:51,152 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 [] [2021-12-06 20:17:53,604 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 [] [2021-12-06 20:17:56,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:17:56,003 INFO L93 Difference]: Finished difference Result 37448 states and 52082 transitions. [2021-12-06 20:17:56,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:17:56,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 534 [2021-12-06 20:17:56,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:17:56,081 INFO L225 Difference]: With dead ends: 37448 [2021-12-06 20:17:56,082 INFO L226 Difference]: Without dead ends: 23938 [2021-12-06 20:17:56,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:17:56,115 INFO L933 BasicCegarLoop]: 4973 mSDtfsCounter, 4518 mSDsluCounter, 5825 mSDsCounter, 0 mSdLazyCounter, 2417 mSolverCounterSat, 2105 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5171 SdHoareTripleChecker+Valid, 10798 SdHoareTripleChecker+Invalid, 4524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2105 IncrementalHoareTripleChecker+Valid, 2417 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:17:56,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5171 Valid, 10798 Invalid, 4524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2105 Valid, 2417 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2021-12-06 20:17:56,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23938 states. [2021-12-06 20:17:56,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23938 to 23458. [2021-12-06 20:17:56,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23458 states, 15676 states have (on average 1.259186016841031) internal successors, (19739), 16050 states have internal predecessors, (19739), 6371 states have call successors, (6371), 1408 states have call predecessors, (6371), 1407 states have return successors, (6399), 6304 states have call predecessors, (6399), 6367 states have call successors, (6399) [2021-12-06 20:17:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23458 states to 23458 states and 32509 transitions. [2021-12-06 20:17:56,957 INFO L78 Accepts]: Start accepts. Automaton has 23458 states and 32509 transitions. Word has length 534 [2021-12-06 20:17:56,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:17:56,958 INFO L470 AbstractCegarLoop]: Abstraction has 23458 states and 32509 transitions. [2021-12-06 20:17:56,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-06 20:17:56,958 INFO L276 IsEmpty]: Start isEmpty. Operand 23458 states and 32509 transitions. [2021-12-06 20:17:56,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2021-12-06 20:17:56,963 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:17:56,963 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 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] [2021-12-06 20:17:56,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 20:17:56,963 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:17:56,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:17:56,964 INFO L85 PathProgramCache]: Analyzing trace with hash -2089737378, now seen corresponding path program 1 times [2021-12-06 20:17:56,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:17:56,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666979107] [2021-12-06 20:17:56,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:17:56,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:17:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:17:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:17:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:17:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:17:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:17:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:17:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:17:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:17:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:17:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:17:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:17:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:17:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:17:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:17:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:17:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:17:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:17:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:17:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:17:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:17:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:17:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:17:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:17:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:17:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:17:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:17:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:17:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:17:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:17:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:17:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:17:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:17:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:17:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:17:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:17:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:17:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:17:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:17:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:17:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:17:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:17:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:17:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:17:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:17:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:17:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:17:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-06 20:17:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-06 20:17:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-06 20:17:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-06 20:17:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:17:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 8652 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8652 trivial. 0 not checked. [2021-12-06 20:17:57,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:17:57,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666979107] [2021-12-06 20:17:57,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666979107] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:17:57,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:17:57,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:17:57,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760030141] [2021-12-06 20:17:57,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:17:57,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:17:57,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:17:57,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:17:57,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:17:57,704 INFO L87 Difference]: Start difference. First operand 23458 states and 32509 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-06 20:18:00,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:18:03,542 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 [] [2021-12-06 20:18:06,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:18:06,261 INFO L93 Difference]: Finished difference Result 65538 states and 90812 transitions. [2021-12-06 20:18:06,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:18:06,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 539 [2021-12-06 20:18:06,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:18:06,394 INFO L225 Difference]: With dead ends: 65538 [2021-12-06 20:18:06,395 INFO L226 Difference]: Without dead ends: 42173 [2021-12-06 20:18:06,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:18:06,453 INFO L933 BasicCegarLoop]: 5028 mSDtfsCounter, 4457 mSDsluCounter, 5811 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 2116 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5112 SdHoareTripleChecker+Valid, 10839 SdHoareTripleChecker+Invalid, 4557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2116 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:18:06,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5112 Valid, 10839 Invalid, 4557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2116 Valid, 2439 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2021-12-06 20:18:06,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42173 states. [2021-12-06 20:18:07,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42173 to 41435. [2021-12-06 20:18:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41435 states, 27762 states have (on average 1.2582306750234133) internal successors, (34931), 28409 states have internal predecessors, (34931), 11138 states have call successors, (11138), 2532 states have call predecessors, (11138), 2531 states have return successors, (11198), 10991 states have call predecessors, (11198), 11134 states have call successors, (11198) [2021-12-06 20:18:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41435 states to 41435 states and 57267 transitions. [2021-12-06 20:18:07,663 INFO L78 Accepts]: Start accepts. Automaton has 41435 states and 57267 transitions. Word has length 539 [2021-12-06 20:18:07,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:18:07,664 INFO L470 AbstractCegarLoop]: Abstraction has 41435 states and 57267 transitions. [2021-12-06 20:18:07,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-06 20:18:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 41435 states and 57267 transitions. [2021-12-06 20:18:07,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2021-12-06 20:18:07,670 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:18:07,670 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:18:07,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:18:07,671 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:18:07,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:18:07,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1413323352, now seen corresponding path program 1 times [2021-12-06 20:18:07,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:18:07,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501579993] [2021-12-06 20:18:07,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:18:07,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:18:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:18:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:18:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:18:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:18:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:18:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:18:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:18:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:18:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:18:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:07,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:18:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:18:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:18:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:18:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:18:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:18:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:18:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:18:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:18:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:18:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:18:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:18:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:18:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:18:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:18:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:18:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:18:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:18:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:18:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:18:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:18:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:18:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:18:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:18:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:18:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:18:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:18:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:18:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:18:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:18:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:18:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:18:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:18:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:18:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:18:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:18:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-06 20:18:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-06 20:18:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-06 20:18:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-12-06 20:18:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-06 20:18:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-06 20:18:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-06 20:18:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:08,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8649 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8649 trivial. 0 not checked. [2021-12-06 20:18:08,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:18:08,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501579993] [2021-12-06 20:18:08,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501579993] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:18:08,386 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:18:08,386 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:18:08,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309306510] [2021-12-06 20:18:08,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:18:08,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:18:08,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:18:08,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:18:08,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:18:08,388 INFO L87 Difference]: Start difference. First operand 41435 states and 57267 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2021-12-06 20:18:11,084 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 [] [2021-12-06 20:18:13,107 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:18:23,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:18:23,154 INFO L93 Difference]: Finished difference Result 120163 states and 167384 transitions. [2021-12-06 20:18:23,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:18:23,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 570 [2021-12-06 20:18:23,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:18:23,453 INFO L225 Difference]: With dead ends: 120163 [2021-12-06 20:18:23,454 INFO L226 Difference]: Without dead ends: 78821 [2021-12-06 20:18:23,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:18:23,546 INFO L933 BasicCegarLoop]: 5048 mSDtfsCounter, 6290 mSDsluCounter, 7521 mSDsCounter, 0 mSdLazyCounter, 4981 mSolverCounterSat, 4807 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7002 SdHoareTripleChecker+Valid, 12569 SdHoareTripleChecker+Invalid, 9790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4807 IncrementalHoareTripleChecker+Valid, 4981 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-12-06 20:18:23,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7002 Valid, 12569 Invalid, 9790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4807 Valid, 4981 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2021-12-06 20:18:23,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78821 states. [2021-12-06 20:18:25,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78821 to 73432. [2021-12-06 20:18:25,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73432 states, 49279 states have (on average 1.258203291462895) internal successors, (62003), 50486 states have internal predecessors, (62003), 19580 states have call successors, (19580), 4582 states have call predecessors, (19580), 4569 states have return successors, (19752), 19289 states have call predecessors, (19752), 19576 states have call successors, (19752) [2021-12-06 20:18:25,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73432 states to 73432 states and 101335 transitions. [2021-12-06 20:18:25,830 INFO L78 Accepts]: Start accepts. Automaton has 73432 states and 101335 transitions. Word has length 570 [2021-12-06 20:18:25,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:18:25,831 INFO L470 AbstractCegarLoop]: Abstraction has 73432 states and 101335 transitions. [2021-12-06 20:18:25,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2021-12-06 20:18:25,831 INFO L276 IsEmpty]: Start isEmpty. Operand 73432 states and 101335 transitions. [2021-12-06 20:18:25,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-12-06 20:18:25,836 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:18:25,837 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 44, 44, 44, 44, 44, 44, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:18:25,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 20:18:25,837 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:18:25,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:18:25,837 INFO L85 PathProgramCache]: Analyzing trace with hash -420877232, now seen corresponding path program 1 times [2021-12-06 20:18:25,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:18:25,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696018279] [2021-12-06 20:18:25,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:18:25,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:18:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:18:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:18:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:18:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:18:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:18:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:18:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:18:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:18:26,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:18:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:18:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:18:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:18:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:18:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:18:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:18:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:18:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:18:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:18:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:18:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:18:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:18:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:18:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:18:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:18:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:18:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:18:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:18:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:18:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:18:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:18:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:18:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:18:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:18:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:18:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:18:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:18:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:18:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:18:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:18:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:18:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:18:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:18:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:18:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:18:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:18:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:18:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:18:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:18:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 20:18:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 20:18:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 20:18:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 20:18:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 9098 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 9084 trivial. 0 not checked. [2021-12-06 20:18:26,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:18:26,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696018279] [2021-12-06 20:18:26,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696018279] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:18:26,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:18:26,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:18:26,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583554501] [2021-12-06 20:18:26,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:18:26,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:18:26,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:18:26,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:18:26,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:18:26,673 INFO L87 Difference]: Start difference. First operand 73432 states and 101335 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-12-06 20:18:29,231 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 [] [2021-12-06 20:18:31,266 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 [] [2021-12-06 20:18:37,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:18:37,906 INFO L93 Difference]: Finished difference Result 218254 states and 301758 transitions. [2021-12-06 20:18:37,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:18:37,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 581 [2021-12-06 20:18:37,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:18:38,567 INFO L225 Difference]: With dead ends: 218254 [2021-12-06 20:18:38,567 INFO L226 Difference]: Without dead ends: 145090 [2021-12-06 20:18:38,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:18:38,792 INFO L933 BasicCegarLoop]: 6078 mSDtfsCounter, 4443 mSDsluCounter, 6352 mSDsCounter, 0 mSdLazyCounter, 2541 mSolverCounterSat, 1891 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5137 SdHoareTripleChecker+Valid, 12430 SdHoareTripleChecker+Invalid, 4434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1891 IncrementalHoareTripleChecker+Valid, 2541 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:18:38,792 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5137 Valid, 12430 Invalid, 4434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1891 Valid, 2541 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-12-06 20:18:38,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145090 states. [2021-12-06 20:18:42,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145090 to 142556. [2021-12-06 20:18:42,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142556 states, 95480 states have (on average 1.258902387934646) internal successors, (120200), 97707 states have internal predecessors, (120200), 38159 states have call successors, (38159), 8926 states have call predecessors, (38159), 8913 states have return successors, (38331), 37746 states have call predecessors, (38331), 38155 states have call successors, (38331) [2021-12-06 20:18:43,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142556 states to 142556 states and 196690 transitions. [2021-12-06 20:18:43,379 INFO L78 Accepts]: Start accepts. Automaton has 142556 states and 196690 transitions. Word has length 581 [2021-12-06 20:18:43,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:18:43,380 INFO L470 AbstractCegarLoop]: Abstraction has 142556 states and 196690 transitions. [2021-12-06 20:18:43,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-12-06 20:18:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 142556 states and 196690 transitions. [2021-12-06 20:18:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-12-06 20:18:43,385 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:18:43,386 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 44, 44, 44, 44, 44, 44, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:18:43,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 20:18:43,386 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:18:43,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:18:43,386 INFO L85 PathProgramCache]: Analyzing trace with hash 965326162, now seen corresponding path program 1 times [2021-12-06 20:18:43,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:18:43,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571935292] [2021-12-06 20:18:43,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:18:43,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:18:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:18:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:18:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:18:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:18:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:18:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:18:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:18:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:18:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:18:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:18:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:18:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:18:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:18:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:18:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:18:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:18:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:18:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:18:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:18:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:18:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:18:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:18:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:18:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:18:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:18:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:18:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:18:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:18:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:18:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:18:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:18:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:18:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:18:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:18:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:18:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:18:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:18:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:18:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:18:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:18:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:18:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:18:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:18:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:18:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:18:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:18:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:18:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:18:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 20:18:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 20:18:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 20:18:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 20:18:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 9098 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9098 trivial. 0 not checked. [2021-12-06 20:18:44,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:18:44,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571935292] [2021-12-06 20:18:44,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571935292] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:18:44,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:18:44,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:18:44,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625516613] [2021-12-06 20:18:44,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:18:44,213 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:18:44,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:18:44,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:18:44,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:18:44,214 INFO L87 Difference]: Start difference. First operand 142556 states and 196690 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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) [2021-12-06 20:18:46,931 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 [] [2021-12-06 20:18:52,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:18:52,619 INFO L93 Difference]: Finished difference Result 145090 states and 200477 transitions. [2021-12-06 20:18:52,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:18:52,620 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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 581 [2021-12-06 20:18:52,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:18:53,199 INFO L225 Difference]: With dead ends: 145090 [2021-12-06 20:18:53,199 INFO L226 Difference]: Without dead ends: 145088 [2021-12-06 20:18:53,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:18:53,273 INFO L933 BasicCegarLoop]: 4278 mSDtfsCounter, 4198 mSDsluCounter, 9437 mSDsCounter, 0 mSdLazyCounter, 2458 mSolverCounterSat, 1350 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4768 SdHoareTripleChecker+Valid, 13715 SdHoareTripleChecker+Invalid, 3809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1350 IncrementalHoareTripleChecker+Valid, 2458 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:18:53,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4768 Valid, 13715 Invalid, 3809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1350 Valid, 2458 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-12-06 20:18:53,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145088 states. [2021-12-06 20:18:57,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145088 to 142560. [2021-12-06 20:18:57,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142560 states, 95483 states have (on average 1.2588942534273118) internal successors, (120203), 97710 states have internal predecessors, (120203), 38159 states have call successors, (38159), 8927 states have call predecessors, (38159), 8914 states have return successors, (38331), 37746 states have call predecessors, (38331), 38155 states have call successors, (38331) [2021-12-06 20:18:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142560 states to 142560 states and 196693 transitions. [2021-12-06 20:18:58,237 INFO L78 Accepts]: Start accepts. Automaton has 142560 states and 196693 transitions. Word has length 581 [2021-12-06 20:18:58,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:18:58,238 INFO L470 AbstractCegarLoop]: Abstraction has 142560 states and 196693 transitions. [2021-12-06 20:18:58,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 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) [2021-12-06 20:18:58,238 INFO L276 IsEmpty]: Start isEmpty. Operand 142560 states and 196693 transitions. [2021-12-06 20:18:58,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 587 [2021-12-06 20:18:58,247 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:18:58,247 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 44, 44, 44, 44, 44, 44, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:18:58,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 20:18:58,247 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:18:58,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:18:58,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1035321482, now seen corresponding path program 1 times [2021-12-06 20:18:58,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:18:58,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965774508] [2021-12-06 20:18:58,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:18:58,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:18:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:18:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:18:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:18:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:18:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:18:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:18:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:18:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:18:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:18:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:18:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:18:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:18:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:18:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:18:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:18:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:18:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:18:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:18:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:18:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:18:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:18:58,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:18:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:18:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:18:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:18:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:18:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:18:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:18:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:18:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:18:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:18:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:18:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:18:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:18:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:18:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:18:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:18:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:18:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:18:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:18:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:18:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:18:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:58,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:18:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:18:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:18:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:18:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:18:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:18:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 20:18:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:18:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 20:18:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 20:18:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 20:18:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-06 20:18:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:18:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 9100 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9098 trivial. 0 not checked. [2021-12-06 20:18:59,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:18:59,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965774508] [2021-12-06 20:18:59,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965774508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:18:59,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:18:59,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:18:59,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13969476] [2021-12-06 20:18:59,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:18:59,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:18:59,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:18:59,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:18:59,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:18:59,121 INFO L87 Difference]: Start difference. First operand 142560 states and 196693 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-12-06 20:19:01,732 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 [] [2021-12-06 20:19:07,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:19:07,508 INFO L93 Difference]: Finished difference Result 152602 states and 207378 transitions. [2021-12-06 20:19:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:19:07,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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 586 [2021-12-06 20:19:07,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:19:07,992 INFO L225 Difference]: With dead ends: 152602 [2021-12-06 20:19:07,992 INFO L226 Difference]: Without dead ends: 152600 [2021-12-06 20:19:08,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:19:08,046 INFO L933 BasicCegarLoop]: 4290 mSDtfsCounter, 3900 mSDsluCounter, 9901 mSDsCounter, 0 mSdLazyCounter, 2687 mSolverCounterSat, 1302 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4409 SdHoareTripleChecker+Valid, 14191 SdHoareTripleChecker+Invalid, 3990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1302 IncrementalHoareTripleChecker+Valid, 2687 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:19:08,046 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4409 Valid, 14191 Invalid, 3990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1302 Valid, 2687 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2021-12-06 20:19:08,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152600 states. [2021-12-06 20:19:12,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152600 to 150068. [2021-12-06 20:19:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150068 states, 100474 states have (on average 1.2494177598184606) internal successors, (125534), 102701 states have internal predecessors, (125534), 38943 states have call successors, (38943), 10660 states have call predecessors, (38943), 10647 states have return successors, (39115), 38530 states have call predecessors, (39115), 38939 states have call successors, (39115) [2021-12-06 20:19:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150068 states to 150068 states and 203592 transitions. [2021-12-06 20:19:12,846 INFO L78 Accepts]: Start accepts. Automaton has 150068 states and 203592 transitions. Word has length 586 [2021-12-06 20:19:12,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:19:12,846 INFO L470 AbstractCegarLoop]: Abstraction has 150068 states and 203592 transitions. [2021-12-06 20:19:12,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-12-06 20:19:12,847 INFO L276 IsEmpty]: Start isEmpty. Operand 150068 states and 203592 transitions. [2021-12-06 20:19:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2021-12-06 20:19:12,854 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:19:12,855 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 44, 44, 44, 44, 44, 44, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:19:12,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 20:19:12,855 INFO L402 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:19:12,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:19:12,855 INFO L85 PathProgramCache]: Analyzing trace with hash 436539410, now seen corresponding path program 1 times [2021-12-06 20:19:12,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:19:12,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969447696] [2021-12-06 20:19:12,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:19:12,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:19:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:19:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:19:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:19:13,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:19:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:19:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:19:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:19:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:19:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:19:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:19:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:19:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:19:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:19:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:19:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:19:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:19:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:19:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:19:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:19:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:19:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:19:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:19:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:19:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:19:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:19:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:19:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:19:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:19:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:19:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:19:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:19:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:19:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:19:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:19:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:19:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:19:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:19:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:19:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:19:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:19:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:19:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:19:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:19:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:19:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:19:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:19:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:19:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:19:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 20:19:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 20:19:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 20:19:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 20:19:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-06 20:19:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-12-06 20:19:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 9106 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9102 trivial. 0 not checked. [2021-12-06 20:19:13,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:19:13,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969447696] [2021-12-06 20:19:13,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969447696] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:19:13,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:19:13,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:19:13,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328813912] [2021-12-06 20:19:13,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:19:13,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:19:13,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:19:13,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:19:13,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:19:13,779 INFO L87 Difference]: Start difference. First operand 150068 states and 203592 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-12-06 20:19:16,350 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 [] [2021-12-06 20:19:22,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:19:22,299 INFO L93 Difference]: Finished difference Result 152602 states and 207379 transitions. [2021-12-06 20:19:22,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:19:22,300 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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 591 [2021-12-06 20:19:22,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:19:22,773 INFO L225 Difference]: With dead ends: 152602 [2021-12-06 20:19:22,773 INFO L226 Difference]: Without dead ends: 152600 [2021-12-06 20:19:22,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:19:22,816 INFO L933 BasicCegarLoop]: 4281 mSDtfsCounter, 4190 mSDsluCounter, 9437 mSDsCounter, 0 mSdLazyCounter, 2458 mSolverCounterSat, 1348 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4760 SdHoareTripleChecker+Valid, 13718 SdHoareTripleChecker+Invalid, 3807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1348 IncrementalHoareTripleChecker+Valid, 2458 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:19:22,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4760 Valid, 13718 Invalid, 3807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1348 Valid, 2458 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-12-06 20:19:22,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152600 states. [2021-12-06 20:19:27,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152600 to 150072. [2021-12-06 20:19:27,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150072 states, 100477 states have (on average 1.2494103128079064) internal successors, (125537), 102704 states have internal predecessors, (125537), 38943 states have call successors, (38943), 10661 states have call predecessors, (38943), 10648 states have return successors, (39115), 38530 states have call predecessors, (39115), 38939 states have call successors, (39115) [2021-12-06 20:19:27,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150072 states to 150072 states and 203595 transitions. [2021-12-06 20:19:27,811 INFO L78 Accepts]: Start accepts. Automaton has 150072 states and 203595 transitions. Word has length 591 [2021-12-06 20:19:27,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:19:27,812 INFO L470 AbstractCegarLoop]: Abstraction has 150072 states and 203595 transitions. [2021-12-06 20:19:27,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-12-06 20:19:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 150072 states and 203595 transitions. [2021-12-06 20:19:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 597 [2021-12-06 20:19:27,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:19:27,822 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 44, 44, 44, 44, 44, 44, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:19:27,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 20:19:27,823 INFO L402 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:19:27,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:19:27,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1310674250, now seen corresponding path program 1 times [2021-12-06 20:19:27,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:19:27,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108368688] [2021-12-06 20:19:27,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:19:27,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:19:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:19:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:19:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:19:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:19:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:19:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:19:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:19:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:19:28,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:19:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:19:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:19:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:19:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:19:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:19:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:19:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:19:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:19:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:19:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:19:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:19:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:19:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:19:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:19:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:19:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:19:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:19:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:19:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:19:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:19:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:19:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:19:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:19:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:19:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:19:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:19:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:19:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:19:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:19:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:19:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:19:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:19:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:19:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:19:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:19:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:19:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:19:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:19:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:19:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 20:19:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 20:19:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 20:19:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 20:19:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-06 20:19:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-12-06 20:19:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-12-06 20:19:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:28,536 INFO L134 CoverageAnalysis]: Checked inductivity of 9116 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9110 trivial. 0 not checked. [2021-12-06 20:19:28,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:19:28,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108368688] [2021-12-06 20:19:28,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108368688] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:19:28,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:19:28,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:19:28,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702790173] [2021-12-06 20:19:28,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:19:28,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:19:28,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:19:28,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:19:28,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:19:28,538 INFO L87 Difference]: Start difference. First operand 150072 states and 203595 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-12-06 20:19:31,151 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 [] [2021-12-06 20:19:37,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:19:37,354 INFO L93 Difference]: Finished difference Result 152606 states and 207382 transitions. [2021-12-06 20:19:37,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:19:37,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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 596 [2021-12-06 20:19:37,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:19:37,830 INFO L225 Difference]: With dead ends: 152606 [2021-12-06 20:19:37,830 INFO L226 Difference]: Without dead ends: 152604 [2021-12-06 20:19:37,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:19:37,883 INFO L933 BasicCegarLoop]: 4282 mSDtfsCounter, 4190 mSDsluCounter, 9440 mSDsCounter, 0 mSdLazyCounter, 2458 mSolverCounterSat, 1347 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4759 SdHoareTripleChecker+Valid, 13722 SdHoareTripleChecker+Invalid, 3806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1347 IncrementalHoareTripleChecker+Valid, 2458 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:19:37,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4759 Valid, 13722 Invalid, 3806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1347 Valid, 2458 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2021-12-06 20:19:38,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152604 states. [2021-12-06 20:19:42,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152604 to 150076. [2021-12-06 20:19:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150076 states, 100480 states have (on average 1.2494028662420382) internal successors, (125540), 102707 states have internal predecessors, (125540), 38943 states have call successors, (38943), 10662 states have call predecessors, (38943), 10649 states have return successors, (39115), 38530 states have call predecessors, (39115), 38939 states have call successors, (39115) [2021-12-06 20:19:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150076 states to 150076 states and 203598 transitions. [2021-12-06 20:19:43,154 INFO L78 Accepts]: Start accepts. Automaton has 150076 states and 203598 transitions. Word has length 596 [2021-12-06 20:19:43,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:19:43,154 INFO L470 AbstractCegarLoop]: Abstraction has 150076 states and 203598 transitions. [2021-12-06 20:19:43,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-12-06 20:19:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 150076 states and 203598 transitions. [2021-12-06 20:19:43,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2021-12-06 20:19:43,166 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:19:43,166 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 44, 44, 44, 44, 44, 44, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:19:43,166 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 20:19:43,166 INFO L402 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:19:43,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:19:43,167 INFO L85 PathProgramCache]: Analyzing trace with hash 294628050, now seen corresponding path program 1 times [2021-12-06 20:19:43,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:19:43,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964930696] [2021-12-06 20:19:43,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:19:43,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:19:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:19:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:19:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:19:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:19:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:19:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:19:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:19:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:19:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:19:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:19:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:19:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:19:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:19:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:19:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:19:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:19:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:19:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:19:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:19:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:19:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:19:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:19:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:19:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:19:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:19:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:19:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:19:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:19:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:19:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:19:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:19:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:19:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:19:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:19:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:19:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:19:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:19:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:19:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:19:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:19:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:19:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:19:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:19:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:19:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:19:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:19:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:19:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:19:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 20:19:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:43,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 20:19:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 20:19:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 20:19:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-06 20:19:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-12-06 20:19:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:44,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-12-06 20:19:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-12-06 20:19:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 9130 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9122 trivial. 0 not checked. [2021-12-06 20:19:44,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:19:44,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964930696] [2021-12-06 20:19:44,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964930696] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:19:44,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:19:44,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:19:44,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052176315] [2021-12-06 20:19:44,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:19:44,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:19:44,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:19:44,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:19:44,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:19:44,041 INFO L87 Difference]: Start difference. First operand 150076 states and 203598 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-06 20:19:46,638 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 [] [2021-12-06 20:19:53,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:19:53,305 INFO L93 Difference]: Finished difference Result 158334 states and 213860 transitions. [2021-12-06 20:19:53,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:19:53,307 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 601 [2021-12-06 20:19:53,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:19:53,800 INFO L225 Difference]: With dead ends: 158334 [2021-12-06 20:19:53,800 INFO L226 Difference]: Without dead ends: 158332 [2021-12-06 20:19:53,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:19:53,853 INFO L933 BasicCegarLoop]: 4339 mSDtfsCounter, 4138 mSDsluCounter, 9589 mSDsCounter, 0 mSdLazyCounter, 2648 mSolverCounterSat, 1338 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4695 SdHoareTripleChecker+Valid, 13928 SdHoareTripleChecker+Invalid, 3987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1338 IncrementalHoareTripleChecker+Valid, 2648 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:19:53,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4695 Valid, 13928 Invalid, 3987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1338 Valid, 2648 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2021-12-06 20:19:53,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158332 states. [2021-12-06 20:19:58,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158332 to 155574. [2021-12-06 20:19:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155574 states, 104037 states have (on average 1.2473927545008026) internal successors, (129775), 106544 states have internal predecessors, (129775), 39951 states have call successors, (39951), 11819 states have call predecessors, (39951), 11582 states have return successors, (40123), 38978 states have call predecessors, (40123), 39947 states have call successors, (40123) [2021-12-06 20:19:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155574 states to 155574 states and 209849 transitions. [2021-12-06 20:19:59,729 INFO L78 Accepts]: Start accepts. Automaton has 155574 states and 209849 transitions. Word has length 601 [2021-12-06 20:19:59,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:19:59,729 INFO L470 AbstractCegarLoop]: Abstraction has 155574 states and 209849 transitions. [2021-12-06 20:19:59,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2021-12-06 20:19:59,729 INFO L276 IsEmpty]: Start isEmpty. Operand 155574 states and 209849 transitions. [2021-12-06 20:19:59,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2021-12-06 20:19:59,742 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:19:59,742 INFO L514 BasicCegarLoop]: trace histogram [49, 49, 44, 44, 44, 44, 44, 44, 6, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:19:59,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 20:19:59,742 INFO L402 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:19:59,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:19:59,743 INFO L85 PathProgramCache]: Analyzing trace with hash 287007689, now seen corresponding path program 1 times [2021-12-06 20:19:59,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:19:59,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033082688] [2021-12-06 20:19:59,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:19:59,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:19:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:19:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:19:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:19:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:19:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:19:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:19:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:19:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:19:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:19:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:19:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:19:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:19:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:19:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:19:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:19:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:19:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:19:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:19:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:19:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:19:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:20:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:20:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:20:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:20:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:20:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:20:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:20:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:20:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:20:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:20:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:20:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:20:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:20:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:20:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:20:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:20:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:20:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:20:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:20:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:20:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:20:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:20:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:20:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:20:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:20:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:20:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:20:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:20:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:20:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:20:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 20:20:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 20:20:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 20:20:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2021-12-06 20:20:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-12-06 20:20:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 20:20:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 20:20:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-06 20:20:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-12-06 20:20:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-12-06 20:20:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-12-06 20:20:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2021-12-06 20:20:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:00,363 INFO L134 CoverageAnalysis]: Checked inductivity of 9299 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9284 trivial. 0 not checked. [2021-12-06 20:20:00,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:20:00,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033082688] [2021-12-06 20:20:00,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033082688] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:20:00,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:20:00,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:20:00,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737956410] [2021-12-06 20:20:00,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:20:00,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:20:00,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:20:00,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:20:00,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:20:00,364 INFO L87 Difference]: Start difference. First operand 155574 states and 209849 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (65), 4 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2021-12-06 20:20:03,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:05,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:20:17,487 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 [] [2021-12-06 20:20:33,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:20:33,540 INFO L93 Difference]: Finished difference Result 390368 states and 527328 transitions. [2021-12-06 20:20:33,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:20:33,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (65), 4 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) Word has length 626 [2021-12-06 20:20:33,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:20:34,423 INFO L225 Difference]: With dead ends: 390368 [2021-12-06 20:20:34,423 INFO L226 Difference]: Without dead ends: 235062 [2021-12-06 20:20:34,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:20:34,829 INFO L933 BasicCegarLoop]: 7351 mSDtfsCounter, 5322 mSDsluCounter, 4466 mSDsCounter, 0 mSdLazyCounter, 8582 mSolverCounterSat, 4179 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6024 SdHoareTripleChecker+Valid, 11817 SdHoareTripleChecker+Invalid, 12764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4179 IncrementalHoareTripleChecker+Valid, 8582 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:20:34,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6024 Valid, 11817 Invalid, 12764 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4179 Valid, 8582 Invalid, 3 Unknown, 0 Unchecked, 21.3s Time] [2021-12-06 20:20:35,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235062 states. [2021-12-06 20:20:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235062 to 231229. [2021-12-06 20:20:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231229 states, 154541 states have (on average 1.2474618386059362) internal successors, (192784), 158208 states have internal predecessors, (192784), 59426 states have call successors, (59426), 17607 states have call predecessors, (59426), 17258 states have return successors, (59598), 58051 states have call predecessors, (59598), 59422 states have call successors, (59598) [2021-12-06 20:20:48,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231229 states to 231229 states and 311808 transitions. [2021-12-06 20:20:48,363 INFO L78 Accepts]: Start accepts. Automaton has 231229 states and 311808 transitions. Word has length 626 [2021-12-06 20:20:48,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:20:48,364 INFO L470 AbstractCegarLoop]: Abstraction has 231229 states and 311808 transitions. [2021-12-06 20:20:48,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (65), 4 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 3 states have call successors, (63) [2021-12-06 20:20:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 231229 states and 311808 transitions. [2021-12-06 20:20:48,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2021-12-06 20:20:48,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:20:48,374 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 44, 44, 44, 44, 44, 44, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:20:48,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 20:20:48,374 INFO L402 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:20:48,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:20:48,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1895720438, now seen corresponding path program 1 times [2021-12-06 20:20:48,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:20:48,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665706142] [2021-12-06 20:20:48,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:20:48,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:20:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:20:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:20:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:20:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:20:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:20:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:20:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:20:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:20:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:20:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:20:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:20:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:20:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:20:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:20:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:20:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:20:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:20:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:20:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:20:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:20:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:20:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:20:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:20:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:20:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:20:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:20:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:20:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:20:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:20:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:20:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:20:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:20:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:20:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:20:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:20:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:20:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:20:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:20:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:20:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:20:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:20:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:20:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:20:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:20:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:48,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:20:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:20:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:20:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:20:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 20:20:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:20:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 20:20:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 20:20:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 20:20:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-06 20:20:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-12-06 20:20:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-12-06 20:20:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-12-06 20:20:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-06 20:20:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:20:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 9148 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9138 trivial. 0 not checked. [2021-12-06 20:20:49,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:20:49,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665706142] [2021-12-06 20:20:49,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665706142] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:20:49,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:20:49,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:20:49,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400619510] [2021-12-06 20:20:49,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:20:49,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:20:49,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:20:49,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:20:49,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:20:49,075 INFO L87 Difference]: Start difference. First operand 231229 states and 311808 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-12-06 20:20:51,563 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 [] [2021-12-06 20:21:05,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:21:05,435 INFO L93 Difference]: Finished difference Result 241139 states and 323016 transitions. [2021-12-06 20:21:05,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:21:05,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 606 [2021-12-06 20:21:05,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:21:06,260 INFO L225 Difference]: With dead ends: 241139 [2021-12-06 20:21:06,260 INFO L226 Difference]: Without dead ends: 241137 [2021-12-06 20:21:06,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:21:06,341 INFO L933 BasicCegarLoop]: 4321 mSDtfsCounter, 4010 mSDsluCounter, 9696 mSDsCounter, 0 mSdLazyCounter, 2680 mSolverCounterSat, 1267 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4551 SdHoareTripleChecker+Valid, 14017 SdHoareTripleChecker+Invalid, 3948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1267 IncrementalHoareTripleChecker+Valid, 2680 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:21:06,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4551 Valid, 14017 Invalid, 3948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1267 Valid, 2680 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2021-12-06 20:21:06,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241137 states. [2021-12-06 20:21:18,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241137 to 237341. [2021-12-06 20:21:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237341 states, 158663 states have (on average 1.2436989090084014) internal successors, (197329), 162330 states have internal predecessors, (197329), 59930 states have call successors, (59930), 19093 states have call predecessors, (59930), 18744 states have return successors, (60102), 58555 states have call predecessors, (60102), 59926 states have call successors, (60102) [2021-12-06 20:21:20,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237341 states to 237341 states and 317361 transitions. [2021-12-06 20:21:20,127 INFO L78 Accepts]: Start accepts. Automaton has 237341 states and 317361 transitions. Word has length 606 [2021-12-06 20:21:20,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:21:20,128 INFO L470 AbstractCegarLoop]: Abstraction has 237341 states and 317361 transitions. [2021-12-06 20:21:20,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2021-12-06 20:21:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 237341 states and 317361 transitions. [2021-12-06 20:21:20,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 612 [2021-12-06 20:21:20,140 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:21:20,140 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 44, 44, 44, 44, 44, 44, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:21:20,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 20:21:20,141 INFO L402 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:21:20,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:21:20,141 INFO L85 PathProgramCache]: Analyzing trace with hash 102335890, now seen corresponding path program 1 times [2021-12-06 20:21:20,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:21:20,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957851854] [2021-12-06 20:21:20,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:21:20,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:21:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:21:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:21:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:21:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:21:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:21:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:21:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:21:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:21:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:21:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:21:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:21:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:21:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:21:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:21:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:21:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:21:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:21:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:21:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:21:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:21:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:21:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:21:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:21:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:21:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:21:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:21:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:21:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:21:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:21:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:21:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:21:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:21:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:21:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:21:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:21:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:21:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:21:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:21:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:21:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:21:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:21:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:21:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:21:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:21:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:21:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:21:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:21:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:21:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 20:21:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 20:21:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 20:21:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 20:21:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-06 20:21:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-12-06 20:21:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-12-06 20:21:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-12-06 20:21:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-06 20:21:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-12-06 20:21:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 9170 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 9158 trivial. 0 not checked. [2021-12-06 20:21:20,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:21:20,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957851854] [2021-12-06 20:21:20,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957851854] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:21:20,837 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:21:20,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:21:20,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063353880] [2021-12-06 20:21:20,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:21:20,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:21:20,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:21:20,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:21:20,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:21:20,838 INFO L87 Difference]: Start difference. First operand 237341 states and 317361 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (61), 4 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-06 20:21:23,319 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 [] [2021-12-06 20:21:37,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:21:37,468 INFO L93 Difference]: Finished difference Result 241139 states and 323017 transitions. [2021-12-06 20:21:37,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:21:37,469 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (61), 4 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 611 [2021-12-06 20:21:37,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:21:38,274 INFO L225 Difference]: With dead ends: 241139 [2021-12-06 20:21:38,274 INFO L226 Difference]: Without dead ends: 241137 [2021-12-06 20:21:38,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:21:38,354 INFO L933 BasicCegarLoop]: 4280 mSDtfsCounter, 4190 mSDsluCounter, 9434 mSDsCounter, 0 mSdLazyCounter, 2458 mSolverCounterSat, 1344 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4761 SdHoareTripleChecker+Valid, 13714 SdHoareTripleChecker+Invalid, 3803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1344 IncrementalHoareTripleChecker+Valid, 2458 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:21:38,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4761 Valid, 13714 Invalid, 3803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1344 Valid, 2458 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2021-12-06 20:21:38,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241137 states. [2021-12-06 20:21:51,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241137 to 237345. [2021-12-06 20:21:51,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237345 states, 158666 states have (on average 1.2436943012365598) internal successors, (197332), 162333 states have internal predecessors, (197332), 59930 states have call successors, (59930), 19094 states have call predecessors, (59930), 18745 states have return successors, (60102), 58555 states have call predecessors, (60102), 59926 states have call successors, (60102) [2021-12-06 20:21:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237345 states to 237345 states and 317364 transitions. [2021-12-06 20:21:52,883 INFO L78 Accepts]: Start accepts. Automaton has 237345 states and 317364 transitions. Word has length 611 [2021-12-06 20:21:52,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:21:52,884 INFO L470 AbstractCegarLoop]: Abstraction has 237345 states and 317364 transitions. [2021-12-06 20:21:52,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (61), 4 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-06 20:21:52,885 INFO L276 IsEmpty]: Start isEmpty. Operand 237345 states and 317364 transitions. [2021-12-06 20:21:52,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2021-12-06 20:21:52,897 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:21:52,898 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 44, 44, 44, 44, 44, 44, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:21:52,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 20:21:52,898 INFO L402 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:21:52,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:21:52,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1349297866, now seen corresponding path program 1 times [2021-12-06 20:21:52,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:21:52,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547733133] [2021-12-06 20:21:52,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:21:52,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:21:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:21:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:21:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:21:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:21:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:21:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:21:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:21:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:21:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:21:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:21:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:21:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:21:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:21:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:21:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:21:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:21:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:21:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:21:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:21:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:21:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:21:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:21:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:21:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:21:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:21:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:21:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:21:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:21:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:21:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:21:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:21:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:21:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:21:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:21:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:21:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:21:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:21:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:21:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:21:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:21:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:21:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:21:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:21:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:21:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:21:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:21:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:21:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:21:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 20:21:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:21:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 20:21:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 20:21:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 20:21:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-06 20:21:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-12-06 20:21:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-12-06 20:21:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-12-06 20:21:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-06 20:21:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-12-06 20:21:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-12-06 20:21:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:21:53,586 INFO L134 CoverageAnalysis]: Checked inductivity of 9196 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 9182 trivial. 0 not checked. [2021-12-06 20:21:53,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:21:53,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547733133] [2021-12-06 20:21:53,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547733133] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:21:53,586 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:21:53,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:21:53,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474490806] [2021-12-06 20:21:53,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:21:53,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:21:53,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:21:53,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:21:53,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:21:53,588 INFO L87 Difference]: Start difference. First operand 237345 states and 317364 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-12-06 20:21:56,071 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 [] [2021-12-06 20:22:10,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:22:10,710 INFO L93 Difference]: Finished difference Result 241143 states and 323020 transitions. [2021-12-06 20:22:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:22:10,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 616 [2021-12-06 20:22:10,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:22:11,512 INFO L225 Difference]: With dead ends: 241143 [2021-12-06 20:22:11,512 INFO L226 Difference]: Without dead ends: 241139 [2021-12-06 20:22:11,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:22:11,594 INFO L933 BasicCegarLoop]: 4278 mSDtfsCounter, 4191 mSDsluCounter, 9430 mSDsCounter, 0 mSdLazyCounter, 2458 mSolverCounterSat, 1345 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4762 SdHoareTripleChecker+Valid, 13708 SdHoareTripleChecker+Invalid, 3804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1345 IncrementalHoareTripleChecker+Valid, 2458 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:22:11,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4762 Valid, 13708 Invalid, 3804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1345 Valid, 2458 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-12-06 20:22:11,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241139 states. [2021-12-06 20:22:24,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241139 to 237347. [2021-12-06 20:22:25,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237347 states, 158668 states have (on average 1.24368492701742) internal successors, (197333), 162334 states have internal predecessors, (197333), 59930 states have call successors, (59930), 19095 states have call predecessors, (59930), 18745 states have return successors, (60102), 58555 states have call predecessors, (60102), 59926 states have call successors, (60102) [2021-12-06 20:22:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237347 states to 237347 states and 317365 transitions. [2021-12-06 20:22:26,247 INFO L78 Accepts]: Start accepts. Automaton has 237347 states and 317365 transitions. Word has length 616 [2021-12-06 20:22:26,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:22:26,247 INFO L470 AbstractCegarLoop]: Abstraction has 237347 states and 317365 transitions. [2021-12-06 20:22:26,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-12-06 20:22:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 237347 states and 317365 transitions. [2021-12-06 20:22:26,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2021-12-06 20:22:26,260 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:22:26,260 INFO L514 BasicCegarLoop]: trace histogram [49, 49, 44, 44, 44, 44, 44, 44, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:22:26,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 20:22:26,261 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:22:26,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:22:26,261 INFO L85 PathProgramCache]: Analyzing trace with hash 475428224, now seen corresponding path program 1 times [2021-12-06 20:22:26,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:22:26,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319408496] [2021-12-06 20:22:26,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:22:26,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:22:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:22:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:22:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:22:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:22:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:22:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:22:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:22:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:22:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:22:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:22:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:22:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:22:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:22:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:22:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:22:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:22:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:22:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:22:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:22:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:22:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:22:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:22:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:22:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:22:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:22:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:22:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:22:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:22:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:22:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:22:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:22:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:22:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:22:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:22:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:22:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:22:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:22:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:22:26,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:22:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:22:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:22:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:22:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:22:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:22:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:22:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:22:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:22:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:22:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-12-06 20:22:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 20:22:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-12-06 20:22:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:22:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2021-12-06 20:22:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-12-06 20:22:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-12-06 20:22:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-12-06 20:22:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-12-06 20:22:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:22:26,911 INFO L134 CoverageAnalysis]: Checked inductivity of 9231 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9228 trivial. 0 not checked. [2021-12-06 20:22:26,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:22:26,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319408496] [2021-12-06 20:22:26,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319408496] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:22:26,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:22:26,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:22:26,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230708541] [2021-12-06 20:22:26,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:22:26,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:22:26,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:22:26,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:22:26,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:22:26,913 INFO L87 Difference]: Start difference. First operand 237347 states and 317365 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2021-12-06 20:22:31,983 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 [] [2021-12-06 20:22:52,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:22:52,657 INFO L93 Difference]: Finished difference Result 576894 states and 771179 transitions. [2021-12-06 20:22:52,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:22:52,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 615 [2021-12-06 20:22:52,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:22:54,081 INFO L225 Difference]: With dead ends: 576894 [2021-12-06 20:22:54,082 INFO L226 Difference]: Without dead ends: 339815 [2021-12-06 20:22:54,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:22:54,655 INFO L933 BasicCegarLoop]: 7744 mSDtfsCounter, 3579 mSDsluCounter, 7169 mSDsCounter, 0 mSdLazyCounter, 2583 mSolverCounterSat, 1339 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4205 SdHoareTripleChecker+Valid, 14913 SdHoareTripleChecker+Invalid, 3923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1339 IncrementalHoareTripleChecker+Valid, 2583 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:22:54,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4205 Valid, 14913 Invalid, 3923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1339 Valid, 2583 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2021-12-06 20:22:54,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339815 states. [2021-12-06 20:23:13,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339815 to 334481. [2021-12-06 20:23:13,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334481 states, 223693 states have (on average 1.2410222939475084) internal successors, (277608), 228815 states have internal predecessors, (277608), 84055 states have call successors, (84055), 27235 states have call predecessors, (84055), 26729 states have return successors, (84339), 82082 states have call predecessors, (84339), 84051 states have call successors, (84339) [2021-12-06 20:23:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334481 states to 334481 states and 446002 transitions. [2021-12-06 20:23:15,224 INFO L78 Accepts]: Start accepts. Automaton has 334481 states and 446002 transitions. Word has length 615 [2021-12-06 20:23:15,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:23:15,225 INFO L470 AbstractCegarLoop]: Abstraction has 334481 states and 446002 transitions. [2021-12-06 20:23:15,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 3 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2021-12-06 20:23:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 334481 states and 446002 transitions. [2021-12-06 20:23:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2021-12-06 20:23:15,237 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:23:15,238 INFO L514 BasicCegarLoop]: trace histogram [49, 49, 44, 44, 44, 44, 44, 44, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:23:15,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 20:23:15,238 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:23:15,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:23:15,238 INFO L85 PathProgramCache]: Analyzing trace with hash -721026769, now seen corresponding path program 1 times [2021-12-06 20:23:15,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:23:15,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468735968] [2021-12-06 20:23:15,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:23:15,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:23:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:23:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:23:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:23:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:23:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:23:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:23:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:23:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:23:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:23:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:23:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:23:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:23:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:23:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:23:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:23:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:23:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:23:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:23:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:23:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:23:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:23:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:23:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:23:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:23:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:23:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:23:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:23:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:23:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:23:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:23:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:23:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:23:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:23:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:23:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:23:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:23:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:23:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:23:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:23:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:23:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:23:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:23:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:23:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:23:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:23:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:23:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:23:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:23:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-12-06 20:23:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 20:23:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-12-06 20:23:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:23:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-06 20:23:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-06 20:23:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-12-06 20:23:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-12-06 20:23:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-12-06 20:23:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:23:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 9231 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9228 trivial. 0 not checked. [2021-12-06 20:23:15,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:23:15,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468735968] [2021-12-06 20:23:15,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468735968] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:23:15,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:23:15,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:23:15,801 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028691970] [2021-12-06 20:23:15,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:23:15,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:23:15,802 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:23:15,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:23:15,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:23:15,802 INFO L87 Difference]: Start difference. First operand 334481 states and 446002 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2021-12-06 20:23:20,521 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 [] [2021-12-06 20:23:27,593 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 [] [2021-12-06 20:23:52,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:23:52,964 INFO L93 Difference]: Finished difference Result 823450 states and 1098728 transitions. [2021-12-06 20:23:52,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:23:52,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 615 [2021-12-06 20:23:52,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:23:55,335 INFO L225 Difference]: With dead ends: 823450 [2021-12-06 20:23:55,335 INFO L226 Difference]: Without dead ends: 489237 [2021-12-06 20:23:56,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:23:56,261 INFO L933 BasicCegarLoop]: 8234 mSDtfsCounter, 3998 mSDsluCounter, 7434 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 1372 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4692 SdHoareTripleChecker+Valid, 15668 SdHoareTripleChecker+Invalid, 4063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1372 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-06 20:23:56,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4692 Valid, 15668 Invalid, 4063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1372 Valid, 2689 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2021-12-06 20:23:56,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489237 states. [2021-12-06 20:24:23,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489237 to 481503. [2021-12-06 20:24:24,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481503 states, 322247 states have (on average 1.2404087547750637) internal successors, (399718), 329705 states have internal predecessors, (399718), 120547 states have call successors, (120547), 39427 states have call predecessors, (120547), 38705 states have return successors, (121007), 117718 states have call predecessors, (121007), 120543 states have call successors, (121007) [2021-12-06 20:24:26,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481503 states to 481503 states and 641272 transitions. [2021-12-06 20:24:26,372 INFO L78 Accepts]: Start accepts. Automaton has 481503 states and 641272 transitions. Word has length 615 [2021-12-06 20:24:26,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:24:26,373 INFO L470 AbstractCegarLoop]: Abstraction has 481503 states and 641272 transitions. [2021-12-06 20:24:26,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2021-12-06 20:24:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 481503 states and 641272 transitions. [2021-12-06 20:24:26,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2021-12-06 20:24:26,384 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:24:26,385 INFO L514 BasicCegarLoop]: trace histogram [48, 48, 44, 44, 44, 44, 44, 44, 9, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:24:26,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 20:24:26,385 INFO L402 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:24:26,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:24:26,385 INFO L85 PathProgramCache]: Analyzing trace with hash 831692882, now seen corresponding path program 1 times [2021-12-06 20:24:26,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:24:26,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420609641] [2021-12-06 20:24:26,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:24:26,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:24:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:24:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:24:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:24:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:24:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:24:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:24:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:24:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:24:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:24:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:24:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:24:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:24:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:24:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:24:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:24:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:24:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:24:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:24:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:24:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:24:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:24:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:24:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:24:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:24:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:24:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:24:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:24:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:24:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:24:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:24:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:24:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:24:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:24:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:24:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:24:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:24:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:24:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:24:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:24:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:24:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:24:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:24:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:24:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:24:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:24:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:24:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:24:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:24:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-06 20:24:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:24:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-12-06 20:24:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-06 20:24:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 20:24:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-06 20:24:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-12-06 20:24:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-12-06 20:24:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-12-06 20:24:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-06 20:24:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-12-06 20:24:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-12-06 20:24:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-12-06 20:24:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:24:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 9226 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9210 trivial. 0 not checked. [2021-12-06 20:24:27,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:24:27,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420609641] [2021-12-06 20:24:27,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420609641] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:24:27,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:24:27,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 20:24:27,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179214731] [2021-12-06 20:24:27,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:24:27,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:24:27,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:24:27,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:24:27,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:24:27,074 INFO L87 Difference]: Start difference. First operand 481503 states and 641272 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (63), 4 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2021-12-06 20:24:31,739 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 [] [2021-12-06 20:24:57,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:24:57,946 INFO L93 Difference]: Finished difference Result 491417 states and 654217 transitions. [2021-12-06 20:24:57,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:24:57,948 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (63), 4 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 621 [2021-12-06 20:24:57,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:24:59,764 INFO L225 Difference]: With dead ends: 491417 [2021-12-06 20:24:59,764 INFO L226 Difference]: Without dead ends: 488553 [2021-12-06 20:24:59,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:24:59,952 INFO L933 BasicCegarLoop]: 4279 mSDtfsCounter, 4171 mSDsluCounter, 9487 mSDsCounter, 0 mSdLazyCounter, 2452 mSolverCounterSat, 1347 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4721 SdHoareTripleChecker+Valid, 13766 SdHoareTripleChecker+Invalid, 3800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1347 IncrementalHoareTripleChecker+Valid, 2452 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:24:59,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4721 Valid, 13766 Invalid, 3800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1347 Valid, 2452 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-12-06 20:25:00,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488553 states. [2021-12-06 20:25:29,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488553 to 480943. [2021-12-06 20:25:29,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480943 states, 322049 states have (on average 1.2391188918456508) internal successors, (399057), 329307 states have internal predecessors, (399057), 119936 states have call successors, (119936), 39643 states have call predecessors, (119936), 38955 states have return successors, (120052), 117340 states have call predecessors, (120052), 119936 states have call successors, (120052) [2021-12-06 20:25:32,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480943 states to 480943 states and 639045 transitions. [2021-12-06 20:25:32,211 INFO L78 Accepts]: Start accepts. Automaton has 480943 states and 639045 transitions. Word has length 621 [2021-12-06 20:25:32,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:25:32,212 INFO L470 AbstractCegarLoop]: Abstraction has 480943 states and 639045 transitions. [2021-12-06 20:25:32,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (63), 4 states have call predecessors, (63), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2021-12-06 20:25:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 480943 states and 639045 transitions. [2021-12-06 20:25:32,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2021-12-06 20:25:32,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:25:32,236 INFO L514 BasicCegarLoop]: trace histogram [49, 49, 44, 44, 44, 44, 44, 44, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:25:32,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 20:25:32,237 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-06 20:25:32,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:25:32,237 INFO L85 PathProgramCache]: Analyzing trace with hash 2059347440, now seen corresponding path program 1 times [2021-12-06 20:25:32,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:25:32,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854727657] [2021-12-06 20:25:32,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:25:32,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:25:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 20:25:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 20:25:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 20:25:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 20:25:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-06 20:25:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-06 20:25:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 20:25:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-06 20:25:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 20:25:32,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 20:25:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-06 20:25:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 20:25:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 20:25:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 20:25:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 20:25:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-06 20:25:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-06 20:25:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-06 20:25:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-06 20:25:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 20:25:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-06 20:25:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 20:25:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 20:25:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-06 20:25:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-06 20:25:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-06 20:25:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 20:25:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-06 20:25:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 20:25:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-06 20:25:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-06 20:25:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-06 20:25:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 20:25:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 20:25:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-06 20:25:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 20:25:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-06 20:25:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-06 20:25:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-06 20:25:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-06 20:25:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-06 20:25:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-06 20:25:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-06 20:25:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-06 20:25:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-06 20:25:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-06 20:25:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-06 20:25:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-06 20:25:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-12-06 20:25:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-06 20:25:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:33,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2021-12-06 20:25:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 20:25:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:33,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-06 20:25:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:33,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-06 20:25:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2021-12-06 20:25:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:33,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-12-06 20:25:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-12-06 20:25:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:33,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2021-12-06 20:25:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:33,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 626 [2021-12-06 20:25:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-12-06 20:25:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:25:33,050 INFO L134 CoverageAnalysis]: Checked inductivity of 9234 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9231 trivial. 0 not checked. [2021-12-06 20:25:33,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:25:33,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854727657] [2021-12-06 20:25:33,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854727657] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:25:33,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:25:33,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:25:33,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729302146] [2021-12-06 20:25:33,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:25:33,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:25:33,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:25:33,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:25:33,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:25:33,052 INFO L87 Difference]: Start difference. First operand 480943 states and 639045 transitions. Second operand has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (66), 4 states have call predecessors, (66), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2021-12-06 20:25:37,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:39,593 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:44,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:50,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:25:52,462 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 [] [2021-12-06 20:26:37,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:26:37,655 INFO L93 Difference]: Finished difference Result 1212217 states and 1623042 transitions. [2021-12-06 20:26:37,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:26:37,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.0) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (66), 4 states have call predecessors, (66), 1 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 647 [2021-12-06 20:26:37,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:26:41,147 INFO L225 Difference]: With dead ends: 1212217 [2021-12-06 20:26:41,147 INFO L226 Difference]: Without dead ends: 731542 [2021-12-06 20:26:42,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:26:42,677 INFO L933 BasicCegarLoop]: 7897 mSDtfsCounter, 4782 mSDsluCounter, 10203 mSDsCounter, 0 mSdLazyCounter, 5550 mSolverCounterSat, 3079 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5495 SdHoareTripleChecker+Valid, 18100 SdHoareTripleChecker+Invalid, 8633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3079 IncrementalHoareTripleChecker+Valid, 5550 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:26:42,677 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5495 Valid, 18100 Invalid, 8633 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3079 Valid, 5550 Invalid, 4 Unknown, 0 Unchecked, 21.0s Time] [2021-12-06 20:26:43,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731542 states.