./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_drivers-net-ethernet-8390-axnet_cs.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6b81be647295ba0700d02fa1d093d31284b02ba80deefc4d677fbd988693200b --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:15:31,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:15:31,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:15:31,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:15:31,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:15:31,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:15:31,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:15:31,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:15:31,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:15:31,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:15:31,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:15:31,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:15:31,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:15:31,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:15:31,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:15:31,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:15:31,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:15:31,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:15:31,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:15:31,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:15:31,677 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:15:31,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:15:31,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:15:31,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:15:31,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:15:31,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:15:31,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:15:31,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:15:31,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:15:31,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:15:31,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:15:31,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:15:31,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:15:31,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:15:31,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:15:31,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:15:31,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:15:31,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:15:31,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:15:31,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:15:31,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:15:31,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:15:31,697 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:15:31,717 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:15:31,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:15:31,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:15:31,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:15:31,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:15:31,724 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:15:31,725 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:15:31,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:15:31,725 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:15:31,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:15:31,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:15:31,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:15:31,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:15:31,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:15:31,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:15:31,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:15:31,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:15:31,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:15:31,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:15:31,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:15:31,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:15:31,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:15:31,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:15:31,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:15:31,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:15:31,728 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:15:31,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:15:31,728 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:15:31,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:15:31,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:15:31,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b81be647295ba0700d02fa1d093d31284b02ba80deefc4d677fbd988693200b [2022-07-20 02:15:31,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:15:31,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:15:31,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:15:31,899 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:15:31,900 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:15:31,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2022-07-20 02:15:31,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed911e608/10e110f3e727450a82da61f6542abad1/FLAG4bdd92b14 [2022-07-20 02:15:32,597 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:15:32,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2022-07-20 02:15:32,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed911e608/10e110f3e727450a82da61f6542abad1/FLAG4bdd92b14 [2022-07-20 02:15:32,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed911e608/10e110f3e727450a82da61f6542abad1 [2022-07-20 02:15:32,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:15:32,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:15:32,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:15:32,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:15:32,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:15:32,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:15:32" (1/1) ... [2022-07-20 02:15:32,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1ef377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:32, skipping insertion in model container [2022-07-20 02:15:32,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:15:32" (1/1) ... [2022-07-20 02:15:32,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:15:33,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:15:34,695 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315060,315073] [2022-07-20 02:15:34,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315229,315242] [2022-07-20 02:15:34,697 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315396,315409] [2022-07-20 02:15:34,698 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315564,315577] [2022-07-20 02:15:34,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:15:34,757 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:15:35,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315060,315073] [2022-07-20 02:15:35,009 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315229,315242] [2022-07-20 02:15:35,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315396,315409] [2022-07-20 02:15:35,010 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i[315564,315577] [2022-07-20 02:15:35,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:15:35,130 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:15:35,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35 WrapperNode [2022-07-20 02:15:35,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:15:35,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:15:35,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:15:35,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:15:35,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35" (1/1) ... [2022-07-20 02:15:35,190 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35" (1/1) ... [2022-07-20 02:15:35,336 INFO L137 Inliner]: procedures = 370, calls = 2171, calls flagged for inlining = 172, calls inlined = 152, statements flattened = 4103 [2022-07-20 02:15:35,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:15:35,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:15:35,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:15:35,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:15:35,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35" (1/1) ... [2022-07-20 02:15:35,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35" (1/1) ... [2022-07-20 02:15:35,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35" (1/1) ... [2022-07-20 02:15:35,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35" (1/1) ... [2022-07-20 02:15:35,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35" (1/1) ... [2022-07-20 02:15:35,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35" (1/1) ... [2022-07-20 02:15:35,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35" (1/1) ... [2022-07-20 02:15:35,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:15:35,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:15:35,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:15:35,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:15:35,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35" (1/1) ... [2022-07-20 02:15:35,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:15:35,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:15:35,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 02:15:35,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 02:15:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_page_lock_of_ei_device [2022-07-20 02:15:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_page_lock_of_ei_device [2022-07-20 02:15:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:15:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:15:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_detach [2022-07-20 02:15:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_detach [2022-07-20 02:15:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:15:35,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:15:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:15:35,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:15:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 02:15:35,711 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 02:15:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure AX88190_init [2022-07-20 02:15:35,711 INFO L138 BoogieDeclarations]: Found implementation of procedure AX88190_init [2022-07-20 02:15:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-07-20 02:15:35,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-07-20 02:15:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:15:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:15:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-20 02:15:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-20 02:15:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 02:15:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 02:15:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_70 [2022-07-20 02:15:35,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_70 [2022-07-20 02:15:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:15:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:15:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2022-07-20 02:15:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2022-07-20 02:15:35,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:15:35,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:15:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2022-07-20 02:15:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2022-07-20 02:15:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:15:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:15:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_release [2022-07-20 02:15:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_release [2022-07-20 02:15:35,714 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_config_byte [2022-07-20 02:15:35,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_config_byte [2022-07-20 02:15:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-07-20 02:15:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-07-20 02:15:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2022-07-20 02:15:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2022-07-20 02:15:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 02:15:35,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 02:15:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:15:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 02:15:35,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 02:15:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:15:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:15:35,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:15:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-20 02:15:35,717 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-20 02:15:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-20 02:15:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-20 02:15:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:15:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:15:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2022-07-20 02:15:35,718 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2022-07-20 02:15:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2022-07-20 02:15:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2022-07-20 02:15:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:15:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:15:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:15:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:15:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-20 02:15:35,719 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-20 02:15:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:15:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:15:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:15:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:15:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 02:15:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-20 02:15:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-20 02:15:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 02:15:35,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:15:35,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:15:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 02:15:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:15:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:15:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure ei_irq_wrapper [2022-07-20 02:15:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_irq_wrapper [2022-07-20 02:15:35,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 02:15:35,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 02:15:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:15:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:15:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:15:35,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:15:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 02:15:35,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:15:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:15:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_reset_8390 [2022-07-20 02:15:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_reset_8390 [2022-07-20 02:15:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_tx_timeout [2022-07-20 02:15:35,723 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_tx_timeout [2022-07-20 02:15:35,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:15:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:15:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:15:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-20 02:15:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-20 02:15:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:15:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:15:35,724 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_cs_driver_exit [2022-07-20 02:15:35,724 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_cs_driver_exit [2022-07-20 02:15:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:15:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:15:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:15:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:15:35,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:15:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:15:35,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:15:35,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:15:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:15:35,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:15:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 02:15:35,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 02:15:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-20 02:15:35,729 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-20 02:15:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-20 02:15:35,729 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-20 02:15:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2022-07-20 02:15:35,729 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2022-07-20 02:15:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 02:15:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:15:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:15:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-20 02:15:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-20 02:15:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:15:35,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:15:36,221 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:15:36,223 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:15:36,430 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:15:40,500 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:15:40,593 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:15:40,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:15:40,628 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 02:15:40,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:15:40 BoogieIcfgContainer [2022-07-20 02:15:40,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:15:40,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:15:40,632 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:15:40,635 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:15:40,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:15:32" (1/3) ... [2022-07-20 02:15:40,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589022ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:15:40, skipping insertion in model container [2022-07-20 02:15:40,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:15:35" (2/3) ... [2022-07-20 02:15:40,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589022ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:15:40, skipping insertion in model container [2022-07-20 02:15:40,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:15:40" (3/3) ... [2022-07-20 02:15:40,638 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2022-07-20 02:15:40,648 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:15:40,649 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 02:15:40,720 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:15:40,725 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@e8566e1, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@43e4d820 [2022-07-20 02:15:40,725 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 02:15:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 1270 states, 845 states have (on average 1.3076923076923077) internal successors, (1105), 869 states have internal predecessors, (1105), 368 states have call successors, (368), 56 states have call predecessors, (368), 55 states have return successors, (362), 354 states have call predecessors, (362), 362 states have call successors, (362) [2022-07-20 02:15:40,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-20 02:15:40,744 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:15:40,744 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:15:40,745 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:15:40,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:15:40,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1278675397, now seen corresponding path program 1 times [2022-07-20 02:15:40,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:15:40,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800020882] [2022-07-20 02:15:40,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:15:40,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:15:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:15:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:15:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:15:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:15:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:15:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:15:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:15:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:15:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 02:15:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:41,366 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-20 02:15:41,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:15:41,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800020882] [2022-07-20 02:15:41,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800020882] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:15:41,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:15:41,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:15:41,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918777131] [2022-07-20 02:15:41,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:15:41,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:15:41,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:15:41,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:15:41,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:15:41,394 INFO L87 Difference]: Start difference. First operand has 1270 states, 845 states have (on average 1.3076923076923077) internal successors, (1105), 869 states have internal predecessors, (1105), 368 states have call successors, (368), 56 states have call predecessors, (368), 55 states have return successors, (362), 354 states have call predecessors, (362), 362 states have call successors, (362) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-20 02:15:44,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:15:47,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:15:48,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:15:48,050 INFO L93 Difference]: Finished difference Result 3687 states and 5415 transitions. [2022-07-20 02:15:48,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:15:48,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 105 [2022-07-20 02:15:48,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:15:48,073 INFO L225 Difference]: With dead ends: 3687 [2022-07-20 02:15:48,074 INFO L226 Difference]: Without dead ends: 2426 [2022-07-20 02:15:48,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:15:48,087 INFO L413 NwaCegarLoop]: 1930 mSDtfsCounter, 1853 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 988 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2180 SdHoareTripleChecker+Valid, 3736 SdHoareTripleChecker+Invalid, 2458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 988 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:15:48,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2180 Valid, 3736 Invalid, 2458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [988 Valid, 1468 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-07-20 02:15:48,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2022-07-20 02:15:48,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 2414. [2022-07-20 02:15:48,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2414 states, 1622 states have (on average 1.2928483353884093) internal successors, (2097), 1667 states have internal predecessors, (2097), 683 states have call successors, (683), 107 states have call predecessors, (683), 106 states have return successors, (679), 663 states have call predecessors, (679), 679 states have call successors, (679) [2022-07-20 02:15:48,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3459 transitions. [2022-07-20 02:15:48,239 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3459 transitions. Word has length 105 [2022-07-20 02:15:48,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:15:48,242 INFO L495 AbstractCegarLoop]: Abstraction has 2414 states and 3459 transitions. [2022-07-20 02:15:48,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-20 02:15:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3459 transitions. [2022-07-20 02:15:48,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-20 02:15:48,249 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:15:48,250 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:15:48,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 02:15:48,250 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:15:48,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:15:48,251 INFO L85 PathProgramCache]: Analyzing trace with hash 600412112, now seen corresponding path program 1 times [2022-07-20 02:15:48,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:15:48,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132906201] [2022-07-20 02:15:48,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:15:48,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:15:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:15:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:15:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:15:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:15:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:15:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:15:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:15:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:15:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-20 02:15:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-20 02:15:48,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:15:48,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132906201] [2022-07-20 02:15:48,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132906201] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:15:48,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:15:48,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:15:48,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319504180] [2022-07-20 02:15:48,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:15:48,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:15:48,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:15:48,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:15:48,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:15:48,619 INFO L87 Difference]: Start difference. First operand 2414 states and 3459 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-20 02:15:51,166 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:15:54,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:15:55,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:15:55,049 INFO L93 Difference]: Finished difference Result 6774 states and 9700 transitions. [2022-07-20 02:15:55,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:15:55,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 114 [2022-07-20 02:15:55,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:15:55,108 INFO L225 Difference]: With dead ends: 6774 [2022-07-20 02:15:55,108 INFO L226 Difference]: Without dead ends: 4379 [2022-07-20 02:15:55,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:15:55,120 INFO L413 NwaCegarLoop]: 1946 mSDtfsCounter, 1569 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 943 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1858 SdHoareTripleChecker+Valid, 3735 SdHoareTripleChecker+Invalid, 2393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 943 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:15:55,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1858 Valid, 3735 Invalid, 2393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [943 Valid, 1448 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-07-20 02:15:55,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4379 states. [2022-07-20 02:15:55,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4379 to 4336. [2022-07-20 02:15:55,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4336 states, 2904 states have (on average 1.2882231404958677) internal successors, (3741), 2986 states have internal predecessors, (3741), 1222 states have call successors, (1222), 206 states have call predecessors, (1222), 207 states have return successors, (1224), 1189 states have call predecessors, (1224), 1218 states have call successors, (1224) [2022-07-20 02:15:55,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 6187 transitions. [2022-07-20 02:15:55,476 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 6187 transitions. Word has length 114 [2022-07-20 02:15:55,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:15:55,479 INFO L495 AbstractCegarLoop]: Abstraction has 4336 states and 6187 transitions. [2022-07-20 02:15:55,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-20 02:15:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 6187 transitions. [2022-07-20 02:15:55,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-20 02:15:55,485 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:15:55,485 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 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] [2022-07-20 02:15:55,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 02:15:55,486 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:15:55,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:15:55,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1955466161, now seen corresponding path program 1 times [2022-07-20 02:15:55,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:15:55,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290960418] [2022-07-20 02:15:55,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:15:55,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:15:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:15:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:15:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:15:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:15:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:15:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:15:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:15:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:15:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-20 02:15:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-20 02:15:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:15:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:15:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:15:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-07-20 02:15:55,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:15:55,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290960418] [2022-07-20 02:15:55,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290960418] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:15:55,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:15:55,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:15:55,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444255081] [2022-07-20 02:15:55,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:15:55,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:15:55,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:15:55,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:15:55,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:15:55,743 INFO L87 Difference]: Start difference. First operand 4336 states and 6187 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-20 02:15:58,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:16:00,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:00,654 INFO L93 Difference]: Finished difference Result 11896 states and 16902 transitions. [2022-07-20 02:16:00,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:16:00,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 119 [2022-07-20 02:16:00,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:00,699 INFO L225 Difference]: With dead ends: 11896 [2022-07-20 02:16:00,700 INFO L226 Difference]: Without dead ends: 7579 [2022-07-20 02:16:00,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:16:00,722 INFO L413 NwaCegarLoop]: 1889 mSDtfsCounter, 1554 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 956 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 3685 SdHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 1405 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:00,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1834 Valid, 3685 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 1405 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-07-20 02:16:00,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7579 states. [2022-07-20 02:16:01,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7579 to 7522. [2022-07-20 02:16:01,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7522 states, 5026 states have (on average 1.2759649820931158) internal successors, (6413), 5164 states have internal predecessors, (6413), 2108 states have call successors, (2108), 388 states have call predecessors, (2108), 385 states have return successors, (2116), 2035 states have call predecessors, (2116), 2104 states have call successors, (2116) [2022-07-20 02:16:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7522 states to 7522 states and 10637 transitions. [2022-07-20 02:16:01,144 INFO L78 Accepts]: Start accepts. Automaton has 7522 states and 10637 transitions. Word has length 119 [2022-07-20 02:16:01,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:01,144 INFO L495 AbstractCegarLoop]: Abstraction has 7522 states and 10637 transitions. [2022-07-20 02:16:01,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-20 02:16:01,145 INFO L276 IsEmpty]: Start isEmpty. Operand 7522 states and 10637 transitions. [2022-07-20 02:16:01,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-07-20 02:16:01,146 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:01,146 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:16:01,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 02:16:01,146 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:01,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:01,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1794271588, now seen corresponding path program 1 times [2022-07-20 02:16:01,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:01,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641493759] [2022-07-20 02:16:01,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:01,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:01,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-20 02:16:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:16:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-20 02:16:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 02:16:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-20 02:16:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 02:16:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:01,415 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-20 02:16:01,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:01,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641493759] [2022-07-20 02:16:01,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641493759] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:01,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:01,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:16:01,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012308728] [2022-07-20 02:16:01,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:01,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:16:01,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:01,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:16:01,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:16:01,418 INFO L87 Difference]: Start difference. First operand 7522 states and 10637 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 02:16:03,983 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 [] [2022-07-20 02:16:05,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:05,440 INFO L93 Difference]: Finished difference Result 13360 states and 18856 transitions. [2022-07-20 02:16:05,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:16:05,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 143 [2022-07-20 02:16:05,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:05,471 INFO L225 Difference]: With dead ends: 13360 [2022-07-20 02:16:05,472 INFO L226 Difference]: Without dead ends: 5857 [2022-07-20 02:16:05,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:16:05,500 INFO L413 NwaCegarLoop]: 2312 mSDtfsCounter, 1482 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 821 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1666 SdHoareTripleChecker+Valid, 3925 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:05,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1666 Valid, 3925 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 993 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-20 02:16:05,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2022-07-20 02:16:05,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 5786. [2022-07-20 02:16:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5786 states, 3916 states have (on average 1.2617466802860062) internal successors, (4941), 4060 states have internal predecessors, (4941), 1551 states have call successors, (1551), 355 states have call predecessors, (1551), 316 states have return successors, (1583), 1405 states have call predecessors, (1583), 1547 states have call successors, (1583) [2022-07-20 02:16:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 8075 transitions. [2022-07-20 02:16:05,808 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 8075 transitions. Word has length 143 [2022-07-20 02:16:05,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:05,810 INFO L495 AbstractCegarLoop]: Abstraction has 5786 states and 8075 transitions. [2022-07-20 02:16:05,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 02:16:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 8075 transitions. [2022-07-20 02:16:05,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-20 02:16:05,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:05,813 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:16:05,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 02:16:05,814 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:05,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:05,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1489403305, now seen corresponding path program 1 times [2022-07-20 02:16:05,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:05,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073999963] [2022-07-20 02:16:05,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:05,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:05,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:05,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:16:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:16:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:16:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:16:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:16:06,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:16:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-20 02:16:06,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:06,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073999963] [2022-07-20 02:16:06,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073999963] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:06,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:06,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:16:06,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039375177] [2022-07-20 02:16:06,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:06,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:16:06,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:06,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:16:06,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:16:06,079 INFO L87 Difference]: Start difference. First operand 5786 states and 8075 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 02:16:08,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:16:10,802 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:16:12,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:12,561 INFO L93 Difference]: Finished difference Result 16747 states and 23435 transitions. [2022-07-20 02:16:12,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:16:12,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 161 [2022-07-20 02:16:12,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:12,621 INFO L225 Difference]: With dead ends: 16747 [2022-07-20 02:16:12,621 INFO L226 Difference]: Without dead ends: 11050 [2022-07-20 02:16:12,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:16:12,644 INFO L413 NwaCegarLoop]: 2990 mSDtfsCounter, 1634 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 732 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 5437 SdHoareTripleChecker+Invalid, 2222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 732 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:12,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 5437 Invalid, 2222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [732 Valid, 1488 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-07-20 02:16:12,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11050 states. [2022-07-20 02:16:12,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11050 to 11006. [2022-07-20 02:16:12,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11006 states, 7470 states have (on average 1.2621151271753681) internal successors, (9428), 7728 states have internal predecessors, (9428), 2932 states have call successors, (2932), 674 states have call predecessors, (2932), 601 states have return successors, (3000), 2673 states have call predecessors, (3000), 2928 states have call successors, (3000) [2022-07-20 02:16:12,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11006 states to 11006 states and 15360 transitions. [2022-07-20 02:16:13,002 INFO L78 Accepts]: Start accepts. Automaton has 11006 states and 15360 transitions. Word has length 161 [2022-07-20 02:16:13,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:13,003 INFO L495 AbstractCegarLoop]: Abstraction has 11006 states and 15360 transitions. [2022-07-20 02:16:13,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-20 02:16:13,003 INFO L276 IsEmpty]: Start isEmpty. Operand 11006 states and 15360 transitions. [2022-07-20 02:16:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-20 02:16:13,005 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:13,005 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:16:13,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 02:16:13,006 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:13,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:13,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1629951915, now seen corresponding path program 1 times [2022-07-20 02:16:13,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:13,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432653944] [2022-07-20 02:16:13,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:13,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:16:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:16:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:16:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:16:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:16:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:16:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-07-20 02:16:13,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:13,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432653944] [2022-07-20 02:16:13,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432653944] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:13,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:13,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:13,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870931041] [2022-07-20 02:16:13,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:13,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:13,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:13,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:13,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:13,461 INFO L87 Difference]: Start difference. First operand 11006 states and 15360 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 02:16:16,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:16:17,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:17,693 INFO L93 Difference]: Finished difference Result 11052 states and 15432 transitions. [2022-07-20 02:16:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:17,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2022-07-20 02:16:17,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:17,739 INFO L225 Difference]: With dead ends: 11052 [2022-07-20 02:16:17,739 INFO L226 Difference]: Without dead ends: 11050 [2022-07-20 02:16:17,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:16:17,751 INFO L413 NwaCegarLoop]: 1674 mSDtfsCounter, 1604 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 691 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1825 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 2532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:17,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 4578 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-07-20 02:16:17,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11050 states. [2022-07-20 02:16:18,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11050 to 11010. [2022-07-20 02:16:18,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11010 states, 7473 states have (on average 1.2620099023150007) internal successors, (9431), 7731 states have internal predecessors, (9431), 2932 states have call successors, (2932), 675 states have call predecessors, (2932), 602 states have return successors, (3000), 2673 states have call predecessors, (3000), 2928 states have call successors, (3000) [2022-07-20 02:16:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11010 states to 11010 states and 15363 transitions. [2022-07-20 02:16:18,216 INFO L78 Accepts]: Start accepts. Automaton has 11010 states and 15363 transitions. Word has length 161 [2022-07-20 02:16:18,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:18,217 INFO L495 AbstractCegarLoop]: Abstraction has 11010 states and 15363 transitions. [2022-07-20 02:16:18,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 02:16:18,217 INFO L276 IsEmpty]: Start isEmpty. Operand 11010 states and 15363 transitions. [2022-07-20 02:16:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-20 02:16:18,221 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:18,221 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:16:18,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 02:16:18,221 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:18,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:18,222 INFO L85 PathProgramCache]: Analyzing trace with hash 708494784, now seen corresponding path program 1 times [2022-07-20 02:16:18,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:18,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914729936] [2022-07-20 02:16:18,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:18,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:16:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:16:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:16:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:16:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:16:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:16:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:16:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-07-20 02:16:18,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:18,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914729936] [2022-07-20 02:16:18,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914729936] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:18,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:18,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:18,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188778707] [2022-07-20 02:16:18,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:18,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:18,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:18,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:18,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:18,504 INFO L87 Difference]: Start difference. First operand 11010 states and 15363 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 02:16:21,259 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 [] [2022-07-20 02:16:22,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:22,830 INFO L93 Difference]: Finished difference Result 11056 states and 15435 transitions. [2022-07-20 02:16:22,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:22,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 166 [2022-07-20 02:16:22,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:22,873 INFO L225 Difference]: With dead ends: 11056 [2022-07-20 02:16:22,874 INFO L226 Difference]: Without dead ends: 11054 [2022-07-20 02:16:22,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:16:22,883 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 690 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 690 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:22,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [690 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2022-07-20 02:16:22,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11054 states. [2022-07-20 02:16:23,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11054 to 11014. [2022-07-20 02:16:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11014 states, 7476 states have (on average 1.2619047619047619) internal successors, (9434), 7734 states have internal predecessors, (9434), 2932 states have call successors, (2932), 676 states have call predecessors, (2932), 603 states have return successors, (3000), 2673 states have call predecessors, (3000), 2928 states have call successors, (3000) [2022-07-20 02:16:23,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11014 states to 11014 states and 15366 transitions. [2022-07-20 02:16:23,337 INFO L78 Accepts]: Start accepts. Automaton has 11014 states and 15366 transitions. Word has length 166 [2022-07-20 02:16:23,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:23,338 INFO L495 AbstractCegarLoop]: Abstraction has 11014 states and 15366 transitions. [2022-07-20 02:16:23,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 02:16:23,339 INFO L276 IsEmpty]: Start isEmpty. Operand 11014 states and 15366 transitions. [2022-07-20 02:16:23,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-20 02:16:23,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:23,343 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:16:23,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 02:16:23,343 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:23,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:23,343 INFO L85 PathProgramCache]: Analyzing trace with hash 607564939, now seen corresponding path program 1 times [2022-07-20 02:16:23,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:23,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045967521] [2022-07-20 02:16:23,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:23,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:16:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:16:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:16:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:16:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:16:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:16:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:16:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 02:16:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:23,644 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-20 02:16:23,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:23,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045967521] [2022-07-20 02:16:23,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045967521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:23,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:23,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:23,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236333528] [2022-07-20 02:16:23,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:23,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:23,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:23,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:23,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:23,646 INFO L87 Difference]: Start difference. First operand 11014 states and 15366 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 02:16:26,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:16:27,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:27,535 INFO L93 Difference]: Finished difference Result 11060 states and 15438 transitions. [2022-07-20 02:16:27,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:27,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 171 [2022-07-20 02:16:27,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:27,572 INFO L225 Difference]: With dead ends: 11060 [2022-07-20 02:16:27,572 INFO L226 Difference]: Without dead ends: 11058 [2022-07-20 02:16:27,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:16:27,578 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 689 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 689 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:27,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [689 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-20 02:16:27,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11058 states. [2022-07-20 02:16:27,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11058 to 11018. [2022-07-20 02:16:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11018 states, 7479 states have (on average 1.2617997058430273) internal successors, (9437), 7737 states have internal predecessors, (9437), 2932 states have call successors, (2932), 677 states have call predecessors, (2932), 604 states have return successors, (3000), 2673 states have call predecessors, (3000), 2928 states have call successors, (3000) [2022-07-20 02:16:27,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11018 states to 11018 states and 15369 transitions. [2022-07-20 02:16:27,922 INFO L78 Accepts]: Start accepts. Automaton has 11018 states and 15369 transitions. Word has length 171 [2022-07-20 02:16:27,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:27,925 INFO L495 AbstractCegarLoop]: Abstraction has 11018 states and 15369 transitions. [2022-07-20 02:16:27,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 02:16:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 11018 states and 15369 transitions. [2022-07-20 02:16:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-20 02:16:27,928 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:27,929 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:16:27,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 02:16:27,929 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:27,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:27,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1425775520, now seen corresponding path program 1 times [2022-07-20 02:16:27,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:27,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456808618] [2022-07-20 02:16:27,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:27,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:16:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:16:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:16:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:16:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:16:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:16:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:16:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 02:16:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-07-20 02:16:28,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:28,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456808618] [2022-07-20 02:16:28,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456808618] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:28,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:28,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:28,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517592382] [2022-07-20 02:16:28,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:28,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:28,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:28,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:28,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:28,183 INFO L87 Difference]: Start difference. First operand 11018 states and 15369 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 02:16:30,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:16:32,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:32,120 INFO L93 Difference]: Finished difference Result 11064 states and 15441 transitions. [2022-07-20 02:16:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:32,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 176 [2022-07-20 02:16:32,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:32,157 INFO L225 Difference]: With dead ends: 11064 [2022-07-20 02:16:32,157 INFO L226 Difference]: Without dead ends: 11062 [2022-07-20 02:16:32,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:16:32,162 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 688 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:32,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-20 02:16:32,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11062 states. [2022-07-20 02:16:32,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11062 to 11022. [2022-07-20 02:16:32,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11022 states, 7482 states have (on average 1.2616947340283347) internal successors, (9440), 7740 states have internal predecessors, (9440), 2932 states have call successors, (2932), 678 states have call predecessors, (2932), 605 states have return successors, (3000), 2673 states have call predecessors, (3000), 2928 states have call successors, (3000) [2022-07-20 02:16:32,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11022 states to 11022 states and 15372 transitions. [2022-07-20 02:16:32,590 INFO L78 Accepts]: Start accepts. Automaton has 11022 states and 15372 transitions. Word has length 176 [2022-07-20 02:16:32,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:32,590 INFO L495 AbstractCegarLoop]: Abstraction has 11022 states and 15372 transitions. [2022-07-20 02:16:32,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 02:16:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 11022 states and 15372 transitions. [2022-07-20 02:16:32,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-20 02:16:32,594 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:32,594 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 4, 4, 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] [2022-07-20 02:16:32,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 02:16:32,594 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:32,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:32,595 INFO L85 PathProgramCache]: Analyzing trace with hash -626302863, now seen corresponding path program 1 times [2022-07-20 02:16:32,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:32,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741329412] [2022-07-20 02:16:32,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:32,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:16:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:16:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:16:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:16:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:16:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 02:16:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 02:16:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:16:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 02:16:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 02:16:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:16:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:16:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2022-07-20 02:16:32,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:32,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741329412] [2022-07-20 02:16:32,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741329412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:32,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:32,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:16:32,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663498268] [2022-07-20 02:16:32,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:32,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:16:32,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:32,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:16:32,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:16:32,831 INFO L87 Difference]: Start difference. First operand 11022 states and 15372 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 02:16:35,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:16:38,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:38,601 INFO L93 Difference]: Finished difference Result 27539 states and 38583 transitions. [2022-07-20 02:16:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 02:16:38,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 196 [2022-07-20 02:16:38,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:38,670 INFO L225 Difference]: With dead ends: 27539 [2022-07-20 02:16:38,670 INFO L226 Difference]: Without dead ends: 16606 [2022-07-20 02:16:38,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:16:38,707 INFO L413 NwaCegarLoop]: 3003 mSDtfsCounter, 1935 mSDsluCounter, 3570 mSDsCounter, 0 mSdLazyCounter, 2511 mSolverCounterSat, 1453 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2208 SdHoareTripleChecker+Valid, 6573 SdHoareTripleChecker+Invalid, 3965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1453 IncrementalHoareTripleChecker+Valid, 2511 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:38,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 6573 Invalid, 3965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1453 Valid, 2511 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-07-20 02:16:38,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16606 states. [2022-07-20 02:16:39,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16606 to 16346. [2022-07-20 02:16:39,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16346 states, 11116 states have (on average 1.263314141777618) internal successors, (14043), 11500 states have internal predecessors, (14043), 4313 states have call successors, (4313), 997 states have call predecessors, (4313), 914 states have return successors, (4489), 3953 states have call predecessors, (4489), 4309 states have call successors, (4489) [2022-07-20 02:16:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16346 states to 16346 states and 22845 transitions. [2022-07-20 02:16:39,363 INFO L78 Accepts]: Start accepts. Automaton has 16346 states and 22845 transitions. Word has length 196 [2022-07-20 02:16:39,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:39,363 INFO L495 AbstractCegarLoop]: Abstraction has 16346 states and 22845 transitions. [2022-07-20 02:16:39,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 02:16:39,364 INFO L276 IsEmpty]: Start isEmpty. Operand 16346 states and 22845 transitions. [2022-07-20 02:16:39,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-20 02:16:39,366 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:39,366 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:16:39,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 02:16:39,367 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:39,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:39,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1744922987, now seen corresponding path program 1 times [2022-07-20 02:16:39,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:39,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128469941] [2022-07-20 02:16:39,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:39,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:16:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:16:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:16:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:16:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:16:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:16:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:16:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 02:16:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 02:16:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:39,626 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-07-20 02:16:39,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:39,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128469941] [2022-07-20 02:16:39,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128469941] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:39,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:39,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:39,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902996439] [2022-07-20 02:16:39,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:39,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:39,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:39,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:39,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:39,629 INFO L87 Difference]: Start difference. First operand 16346 states and 22845 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 02:16:42,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:16:43,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:43,553 INFO L93 Difference]: Finished difference Result 16412 states and 22947 transitions. [2022-07-20 02:16:43,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:43,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 181 [2022-07-20 02:16:43,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:43,611 INFO L225 Difference]: With dead ends: 16412 [2022-07-20 02:16:43,611 INFO L226 Difference]: Without dead ends: 16410 [2022-07-20 02:16:43,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:16:43,622 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 687 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 687 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:43,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 02:16:43,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16410 states. [2022-07-20 02:16:44,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16410 to 16350. [2022-07-20 02:16:44,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16350 states, 11119 states have (on average 1.2632430974008455) internal successors, (14046), 11503 states have internal predecessors, (14046), 4313 states have call successors, (4313), 998 states have call predecessors, (4313), 915 states have return successors, (4489), 3953 states have call predecessors, (4489), 4309 states have call successors, (4489) [2022-07-20 02:16:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16350 states to 16350 states and 22848 transitions. [2022-07-20 02:16:44,307 INFO L78 Accepts]: Start accepts. Automaton has 16350 states and 22848 transitions. Word has length 181 [2022-07-20 02:16:44,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:44,308 INFO L495 AbstractCegarLoop]: Abstraction has 16350 states and 22848 transitions. [2022-07-20 02:16:44,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 02:16:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 16350 states and 22848 transitions. [2022-07-20 02:16:44,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-20 02:16:44,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:44,311 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:16:44,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 02:16:44,311 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:44,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:44,312 INFO L85 PathProgramCache]: Analyzing trace with hash -599659776, now seen corresponding path program 1 times [2022-07-20 02:16:44,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:44,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184352678] [2022-07-20 02:16:44,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:44,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:16:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:16:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:16:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:16:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:16:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:16:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:16:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 02:16:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 02:16:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 02:16:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:44,521 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2022-07-20 02:16:44,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:44,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184352678] [2022-07-20 02:16:44,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184352678] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:44,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:44,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:44,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4065195] [2022-07-20 02:16:44,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:44,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:44,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:44,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:44,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:44,523 INFO L87 Difference]: Start difference. First operand 16350 states and 22848 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 02:16:47,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:16:48,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:48,666 INFO L93 Difference]: Finished difference Result 16416 states and 22950 transitions. [2022-07-20 02:16:48,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:48,667 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 186 [2022-07-20 02:16:48,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:48,722 INFO L225 Difference]: With dead ends: 16416 [2022-07-20 02:16:48,722 INFO L226 Difference]: Without dead ends: 16414 [2022-07-20 02:16:48,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:16:48,732 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 686 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 686 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:48,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [686 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-20 02:16:48,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16414 states. [2022-07-20 02:16:49,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16414 to 16354. [2022-07-20 02:16:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16354 states, 11122 states have (on average 1.2631720913504765) internal successors, (14049), 11506 states have internal predecessors, (14049), 4313 states have call successors, (4313), 999 states have call predecessors, (4313), 916 states have return successors, (4489), 3953 states have call predecessors, (4489), 4309 states have call successors, (4489) [2022-07-20 02:16:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16354 states to 16354 states and 22851 transitions. [2022-07-20 02:16:49,390 INFO L78 Accepts]: Start accepts. Automaton has 16354 states and 22851 transitions. Word has length 186 [2022-07-20 02:16:49,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:49,391 INFO L495 AbstractCegarLoop]: Abstraction has 16354 states and 22851 transitions. [2022-07-20 02:16:49,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 02:16:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 16354 states and 22851 transitions. [2022-07-20 02:16:49,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-20 02:16:49,395 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:49,395 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:16:49,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 02:16:49,395 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:49,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:49,396 INFO L85 PathProgramCache]: Analyzing trace with hash 797521483, now seen corresponding path program 1 times [2022-07-20 02:16:49,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:49,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131138116] [2022-07-20 02:16:49,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:49,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:16:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:16:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:16:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:16:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:16:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:16:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:16:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 02:16:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 02:16:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 02:16:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:16:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:49,628 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2022-07-20 02:16:49,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:49,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131138116] [2022-07-20 02:16:49,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131138116] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:49,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:49,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:49,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819820775] [2022-07-20 02:16:49,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:49,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:49,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:49,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:49,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:49,631 INFO L87 Difference]: Start difference. First operand 16354 states and 22851 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 02:16:52,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:16:53,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:53,530 INFO L93 Difference]: Finished difference Result 16420 states and 22953 transitions. [2022-07-20 02:16:53,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:53,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 191 [2022-07-20 02:16:53,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:53,585 INFO L225 Difference]: With dead ends: 16420 [2022-07-20 02:16:53,585 INFO L226 Difference]: Without dead ends: 16418 [2022-07-20 02:16:53,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:16:53,595 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 685 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:53,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 02:16:53,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16418 states. [2022-07-20 02:16:54,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16418 to 16358. [2022-07-20 02:16:54,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16358 states, 11125 states have (on average 1.2631011235955056) internal successors, (14052), 11509 states have internal predecessors, (14052), 4313 states have call successors, (4313), 1000 states have call predecessors, (4313), 917 states have return successors, (4489), 3953 states have call predecessors, (4489), 4309 states have call successors, (4489) [2022-07-20 02:16:54,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16358 states to 16358 states and 22854 transitions. [2022-07-20 02:16:54,361 INFO L78 Accepts]: Start accepts. Automaton has 16358 states and 22854 transitions. Word has length 191 [2022-07-20 02:16:54,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:54,362 INFO L495 AbstractCegarLoop]: Abstraction has 16358 states and 22854 transitions. [2022-07-20 02:16:54,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 02:16:54,362 INFO L276 IsEmpty]: Start isEmpty. Operand 16358 states and 22854 transitions. [2022-07-20 02:16:54,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-20 02:16:54,366 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:54,366 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 8, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:16:54,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 02:16:54,367 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:54,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:54,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1278302624, now seen corresponding path program 1 times [2022-07-20 02:16:54,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:54,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948474397] [2022-07-20 02:16:54,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:54,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:16:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:16:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:16:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:16:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:16:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:16:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:16:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 02:16:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 02:16:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 02:16:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:16:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:16:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:54,604 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-07-20 02:16:54,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:54,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948474397] [2022-07-20 02:16:54,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948474397] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:54,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:54,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:54,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114387508] [2022-07-20 02:16:54,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:54,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:54,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:54,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:54,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:54,606 INFO L87 Difference]: Start difference. First operand 16358 states and 22854 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 02:16:57,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:16:58,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:58,540 INFO L93 Difference]: Finished difference Result 16424 states and 22956 transitions. [2022-07-20 02:16:58,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:16:58,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 196 [2022-07-20 02:16:58,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:58,602 INFO L225 Difference]: With dead ends: 16424 [2022-07-20 02:16:58,602 INFO L226 Difference]: Without dead ends: 16422 [2022-07-20 02:16:58,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:16:58,626 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 684 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:58,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [684 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 02:16:58,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16422 states. [2022-07-20 02:16:59,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16422 to 16362. [2022-07-20 02:16:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16362 states, 11128 states have (on average 1.2630301941049604) internal successors, (14055), 11512 states have internal predecessors, (14055), 4313 states have call successors, (4313), 1001 states have call predecessors, (4313), 918 states have return successors, (4489), 3953 states have call predecessors, (4489), 4309 states have call successors, (4489) [2022-07-20 02:16:59,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16362 states to 16362 states and 22857 transitions. [2022-07-20 02:16:59,217 INFO L78 Accepts]: Start accepts. Automaton has 16362 states and 22857 transitions. Word has length 196 [2022-07-20 02:16:59,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:59,218 INFO L495 AbstractCegarLoop]: Abstraction has 16362 states and 22857 transitions. [2022-07-20 02:16:59,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 02:16:59,218 INFO L276 IsEmpty]: Start isEmpty. Operand 16362 states and 22857 transitions. [2022-07-20 02:16:59,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-20 02:16:59,221 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:59,221 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 8, 8, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:16:59,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 02:16:59,222 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:16:59,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:59,222 INFO L85 PathProgramCache]: Analyzing trace with hash 592452395, now seen corresponding path program 1 times [2022-07-20 02:16:59,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:16:59,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295150730] [2022-07-20 02:16:59,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:59,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:16:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:16:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:16:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:16:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:16:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:16:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:16:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:16:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:16:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:16:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:16:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:16:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:16:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:16:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:16:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:16:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:16:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:16:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 02:16:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:16:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 02:16:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 02:16:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:16:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:16:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:16:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-20 02:16:59,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:16:59,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295150730] [2022-07-20 02:16:59,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295150730] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:59,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:59,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:16:59,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571108589] [2022-07-20 02:16:59,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:59,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:16:59,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:16:59,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:16:59,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:16:59,564 INFO L87 Difference]: Start difference. First operand 16362 states and 22857 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 02:17:02,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:04,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:04,297 INFO L93 Difference]: Finished difference Result 19330 states and 26615 transitions. [2022-07-20 02:17:04,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:17:04,298 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 201 [2022-07-20 02:17:04,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:04,356 INFO L225 Difference]: With dead ends: 19330 [2022-07-20 02:17:04,356 INFO L226 Difference]: Without dead ends: 19328 [2022-07-20 02:17:04,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:17:04,373 INFO L413 NwaCegarLoop]: 1821 mSDtfsCounter, 1271 mSDsluCounter, 3302 mSDsCounter, 0 mSdLazyCounter, 2813 mSolverCounterSat, 678 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1476 SdHoareTripleChecker+Valid, 5123 SdHoareTripleChecker+Invalid, 3492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 2813 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:04,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 5123 Invalid, 3492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 2813 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-07-20 02:17:04,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19328 states. [2022-07-20 02:17:05,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19328 to 19231. [2022-07-20 02:17:05,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19231 states, 12817 states have (on average 1.246391511274089) internal successors, (15975), 13252 states have internal predecessors, (15975), 5162 states have call successors, (5162), 1413 states have call predecessors, (5162), 1249 states have return successors, (5350), 4697 states have call predecessors, (5350), 5158 states have call successors, (5350) [2022-07-20 02:17:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19231 states to 19231 states and 26487 transitions. [2022-07-20 02:17:05,166 INFO L78 Accepts]: Start accepts. Automaton has 19231 states and 26487 transitions. Word has length 201 [2022-07-20 02:17:05,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:05,167 INFO L495 AbstractCegarLoop]: Abstraction has 19231 states and 26487 transitions. [2022-07-20 02:17:05,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 02:17:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 19231 states and 26487 transitions. [2022-07-20 02:17:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-20 02:17:05,171 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:05,171 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 9, 9, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:05,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 02:17:05,171 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:17:05,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:05,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1401991232, now seen corresponding path program 1 times [2022-07-20 02:17:05,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:05,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794113664] [2022-07-20 02:17:05,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:05,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:17:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:17:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:17:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:17:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:17:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:17:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:17:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:17:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:17:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 02:17:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:17:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 02:17:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 02:17:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:17:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:17:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:17:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:17:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2022-07-20 02:17:05,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:05,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794113664] [2022-07-20 02:17:05,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794113664] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:05,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:05,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:17:05,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722651517] [2022-07-20 02:17:05,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:05,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:17:05,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:05,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:17:05,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:17:05,397 INFO L87 Difference]: Start difference. First operand 19231 states and 26487 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 02:17:08,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:10,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:10,005 INFO L93 Difference]: Finished difference Result 19309 states and 26595 transitions. [2022-07-20 02:17:10,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:17:10,006 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 206 [2022-07-20 02:17:10,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:10,071 INFO L225 Difference]: With dead ends: 19309 [2022-07-20 02:17:10,071 INFO L226 Difference]: Without dead ends: 19307 [2022-07-20 02:17:10,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:17:10,087 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 682 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:10,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [682 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-20 02:17:10,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19307 states. [2022-07-20 02:17:10,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19307 to 19235. [2022-07-20 02:17:10,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19235 states, 12820 states have (on average 1.2463338533541342) internal successors, (15978), 13255 states have internal predecessors, (15978), 5162 states have call successors, (5162), 1414 states have call predecessors, (5162), 1250 states have return successors, (5350), 4697 states have call predecessors, (5350), 5158 states have call successors, (5350) [2022-07-20 02:17:10,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19235 states to 19235 states and 26490 transitions. [2022-07-20 02:17:10,885 INFO L78 Accepts]: Start accepts. Automaton has 19235 states and 26490 transitions. Word has length 206 [2022-07-20 02:17:10,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:10,886 INFO L495 AbstractCegarLoop]: Abstraction has 19235 states and 26490 transitions. [2022-07-20 02:17:10,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 02:17:10,886 INFO L276 IsEmpty]: Start isEmpty. Operand 19235 states and 26490 transitions. [2022-07-20 02:17:10,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-20 02:17:10,889 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:10,889 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:10,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 02:17:10,890 INFO L420 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:17:10,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:10,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1520994585, now seen corresponding path program 1 times [2022-07-20 02:17:10,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:10,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443098495] [2022-07-20 02:17:10,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:10,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:17:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:17:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:17:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:17:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:17:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:17:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:17:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 02:17:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-20 02:17:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 02:17:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 02:17:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:17:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:17:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-20 02:17:11,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:11,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443098495] [2022-07-20 02:17:11,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443098495] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:11,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:11,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:11,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837620005] [2022-07-20 02:17:11,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:11,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:17:11,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:11,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:17:11,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:17:11,216 INFO L87 Difference]: Start difference. First operand 19235 states and 26490 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 02:17:13,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:15,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:15,675 INFO L93 Difference]: Finished difference Result 42030 states and 57830 transitions. [2022-07-20 02:17:15,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:17:15,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 207 [2022-07-20 02:17:15,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:15,750 INFO L225 Difference]: With dead ends: 42030 [2022-07-20 02:17:15,750 INFO L226 Difference]: Without dead ends: 22884 [2022-07-20 02:17:15,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:17:15,804 INFO L413 NwaCegarLoop]: 2199 mSDtfsCounter, 755 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 538 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 917 SdHoareTripleChecker+Valid, 4214 SdHoareTripleChecker+Invalid, 1880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 538 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:15,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [917 Valid, 4214 Invalid, 1880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [538 Valid, 1341 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-20 02:17:15,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22884 states. [2022-07-20 02:17:16,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22884 to 22623. [2022-07-20 02:17:16,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22623 states, 15228 states have (on average 1.2429078014184398) internal successors, (18927), 15763 states have internal predecessors, (18927), 5905 states have call successors, (5905), 1765 states have call predecessors, (5905), 1487 states have return successors, (6135), 5226 states have call predecessors, (6135), 5901 states have call successors, (6135) [2022-07-20 02:17:16,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22623 states to 22623 states and 30967 transitions. [2022-07-20 02:17:16,835 INFO L78 Accepts]: Start accepts. Automaton has 22623 states and 30967 transitions. Word has length 207 [2022-07-20 02:17:16,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:16,836 INFO L495 AbstractCegarLoop]: Abstraction has 22623 states and 30967 transitions. [2022-07-20 02:17:16,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-20 02:17:16,837 INFO L276 IsEmpty]: Start isEmpty. Operand 22623 states and 30967 transitions. [2022-07-20 02:17:16,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-20 02:17:16,839 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:16,839 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 7, 7, 7, 7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:16,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 02:17:16,840 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:17:16,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:16,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1319626741, now seen corresponding path program 1 times [2022-07-20 02:17:16,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:16,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001399839] [2022-07-20 02:17:16,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:16,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:16,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:16,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:17:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:17:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:17:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:17:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:17:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:17:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:17:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-20 02:17:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:17:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 02:17:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:17:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 02:17:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 02:17:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:17:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:17:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:17:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:17:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 02:17:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2022-07-20 02:17:17,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:17,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001399839] [2022-07-20 02:17:17,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001399839] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:17,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:17,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:17:17,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39962808] [2022-07-20 02:17:17,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:17,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:17:17,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:17,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:17:17,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:17:17,129 INFO L87 Difference]: Start difference. First operand 22623 states and 30967 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 02:17:19,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:21,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:21,709 INFO L93 Difference]: Finished difference Result 22701 states and 31081 transitions. [2022-07-20 02:17:21,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:17:21,710 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 211 [2022-07-20 02:17:21,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:21,794 INFO L225 Difference]: With dead ends: 22701 [2022-07-20 02:17:21,794 INFO L226 Difference]: Without dead ends: 22697 [2022-07-20 02:17:21,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:17:21,812 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 681 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 4581 SdHoareTripleChecker+Invalid, 2522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:21,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [681 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-20 02:17:21,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22697 states. [2022-07-20 02:17:22,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22697 to 22625. [2022-07-20 02:17:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22625 states, 15230 states have (on average 1.2428102429415626) internal successors, (18928), 15764 states have internal predecessors, (18928), 5905 states have call successors, (5905), 1766 states have call predecessors, (5905), 1487 states have return successors, (6135), 5226 states have call predecessors, (6135), 5901 states have call successors, (6135) [2022-07-20 02:17:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22625 states to 22625 states and 30968 transitions. [2022-07-20 02:17:22,827 INFO L78 Accepts]: Start accepts. Automaton has 22625 states and 30968 transitions. Word has length 211 [2022-07-20 02:17:22,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:22,828 INFO L495 AbstractCegarLoop]: Abstraction has 22625 states and 30968 transitions. [2022-07-20 02:17:22,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 02:17:22,828 INFO L276 IsEmpty]: Start isEmpty. Operand 22625 states and 30968 transitions. [2022-07-20 02:17:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-20 02:17:22,831 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:22,831 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 11, 11, 7, 7, 7, 7, 7, 7, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:22,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 02:17:22,831 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:17:22,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:22,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1578147651, now seen corresponding path program 1 times [2022-07-20 02:17:22,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:22,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464131584] [2022-07-20 02:17:22,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:22,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:22,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:17:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:17:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:17:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:17:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 02:17:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-20 02:17:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:17:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 02:17:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-20 02:17:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 02:17:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 02:17:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:17:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:17:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-20 02:17:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:17:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 02:17:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-20 02:17:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 02:17:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 02:17:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 02:17:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-20 02:17:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-20 02:17:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-20 02:17:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 02:17:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2022-07-20 02:17:23,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:23,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464131584] [2022-07-20 02:17:23,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464131584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:23,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:23,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:17:23,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382012996] [2022-07-20 02:17:23,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:23,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:17:23,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:23,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:17:23,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:17:23,088 INFO L87 Difference]: Start difference. First operand 22625 states and 30968 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 02:17:25,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:28,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:28,305 INFO L93 Difference]: Finished difference Result 22859 states and 31365 transitions. [2022-07-20 02:17:28,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 02:17:28,305 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 255 [2022-07-20 02:17:28,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:28,367 INFO L225 Difference]: With dead ends: 22859 [2022-07-20 02:17:28,368 INFO L226 Difference]: Without dead ends: 22539 [2022-07-20 02:17:28,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-20 02:17:28,380 INFO L413 NwaCegarLoop]: 1638 mSDtfsCounter, 1881 mSDsluCounter, 3491 mSDsCounter, 0 mSdLazyCounter, 2411 mSolverCounterSat, 1227 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 5129 SdHoareTripleChecker+Invalid, 3639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1227 IncrementalHoareTripleChecker+Valid, 2411 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:28,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 5129 Invalid, 3639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1227 Valid, 2411 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-07-20 02:17:28,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22539 states. [2022-07-20 02:17:29,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22539 to 22305. [2022-07-20 02:17:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22305 states, 15025 states have (on average 1.241730449251248) internal successors, (18657), 15523 states have internal predecessors, (18657), 5809 states have call successors, (5809), 1736 states have call predecessors, (5809), 1469 states have return successors, (6043), 5177 states have call predecessors, (6043), 5809 states have call successors, (6043) [2022-07-20 02:17:29,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22305 states to 22305 states and 30509 transitions. [2022-07-20 02:17:29,412 INFO L78 Accepts]: Start accepts. Automaton has 22305 states and 30509 transitions. Word has length 255 [2022-07-20 02:17:29,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:29,413 INFO L495 AbstractCegarLoop]: Abstraction has 22305 states and 30509 transitions. [2022-07-20 02:17:29,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 02:17:29,413 INFO L276 IsEmpty]: Start isEmpty. Operand 22305 states and 30509 transitions. [2022-07-20 02:17:29,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-20 02:17:29,417 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:29,417 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 8, 8, 8, 7, 7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:29,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-20 02:17:29,417 INFO L420 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:17:29,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:29,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1491207294, now seen corresponding path program 1 times [2022-07-20 02:17:29,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:29,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164047717] [2022-07-20 02:17:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:29,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:17:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:17:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:17:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:17:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:17:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:17:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:17:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:17:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:17:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:17:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:17:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:17:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 02:17:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 02:17:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:17:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-20 02:17:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-20 02:17:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 02:17:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-07-20 02:17:29,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:29,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164047717] [2022-07-20 02:17:29,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164047717] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:29,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:29,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:29,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388994182] [2022-07-20 02:17:29,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:29,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:17:29,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:29,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:17:29,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:17:29,628 INFO L87 Difference]: Start difference. First operand 22305 states and 30509 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 02:17:32,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:34,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:34,199 INFO L93 Difference]: Finished difference Result 47879 states and 65480 transitions. [2022-07-20 02:17:34,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:17:34,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 258 [2022-07-20 02:17:34,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:34,294 INFO L225 Difference]: With dead ends: 47879 [2022-07-20 02:17:34,295 INFO L226 Difference]: Without dead ends: 25591 [2022-07-20 02:17:34,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:17:34,355 INFO L413 NwaCegarLoop]: 2143 mSDtfsCounter, 726 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 461 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 871 SdHoareTripleChecker+Valid, 4148 SdHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:34,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [871 Valid, 4148 Invalid, 1719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 1257 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-07-20 02:17:34,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25591 states. [2022-07-20 02:17:35,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25591 to 25379. [2022-07-20 02:17:35,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25379 states, 17221 states have (on average 1.2402880204401603) internal successors, (21359), 17807 states have internal predecessors, (21359), 6481 states have call successors, (6481), 2050 states have call predecessors, (6481), 1675 states have return successors, (6757), 5653 states have call predecessors, (6757), 6481 states have call successors, (6757) [2022-07-20 02:17:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25379 states to 25379 states and 34597 transitions. [2022-07-20 02:17:35,629 INFO L78 Accepts]: Start accepts. Automaton has 25379 states and 34597 transitions. Word has length 258 [2022-07-20 02:17:35,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:35,630 INFO L495 AbstractCegarLoop]: Abstraction has 25379 states and 34597 transitions. [2022-07-20 02:17:35,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 02:17:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 25379 states and 34597 transitions. [2022-07-20 02:17:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-20 02:17:35,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:35,635 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 8, 8, 8, 7, 7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:35,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-20 02:17:35,636 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:17:35,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:35,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1908603900, now seen corresponding path program 1 times [2022-07-20 02:17:35,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:35,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798896062] [2022-07-20 02:17:35,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:35,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:35,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:35,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:35,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:35,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:35,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:17:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:17:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:17:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:17:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:17:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:17:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:17:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:17:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:17:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:17:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:17:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:17:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 02:17:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 02:17:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:17:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-20 02:17:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-20 02:17:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 02:17:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:36,086 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-07-20 02:17:36,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:36,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798896062] [2022-07-20 02:17:36,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798896062] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:36,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:36,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:36,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896485277] [2022-07-20 02:17:36,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:36,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:17:36,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:36,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:17:36,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:17:36,090 INFO L87 Difference]: Start difference. First operand 25379 states and 34597 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 02:17:38,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:41,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:41,342 INFO L93 Difference]: Finished difference Result 54445 states and 74163 transitions. [2022-07-20 02:17:41,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:17:41,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 258 [2022-07-20 02:17:41,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:41,454 INFO L225 Difference]: With dead ends: 54445 [2022-07-20 02:17:41,454 INFO L226 Difference]: Without dead ends: 29155 [2022-07-20 02:17:41,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:17:41,514 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 944 mSDsluCounter, 1988 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 503 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1130 SdHoareTripleChecker+Valid, 4206 SdHoareTripleChecker+Invalid, 1810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:41,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1130 Valid, 4206 Invalid, 1810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1306 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-07-20 02:17:41,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29155 states. [2022-07-20 02:17:42,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29155 to 28911. [2022-07-20 02:17:42,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28911 states, 19718 states have (on average 1.2365351455522873) internal successors, (24382), 20392 states have internal predecessors, (24382), 7250 states have call successors, (7250), 2454 states have call predecessors, (7250), 1941 states have return successors, (7568), 6196 states have call predecessors, (7568), 7250 states have call successors, (7568) [2022-07-20 02:17:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28911 states to 28911 states and 39200 transitions. [2022-07-20 02:17:42,886 INFO L78 Accepts]: Start accepts. Automaton has 28911 states and 39200 transitions. Word has length 258 [2022-07-20 02:17:42,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:42,887 INFO L495 AbstractCegarLoop]: Abstraction has 28911 states and 39200 transitions. [2022-07-20 02:17:42,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 02:17:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand 28911 states and 39200 transitions. [2022-07-20 02:17:42,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-07-20 02:17:42,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:42,902 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:42,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-20 02:17:42,903 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:17:42,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:42,903 INFO L85 PathProgramCache]: Analyzing trace with hash 791268321, now seen corresponding path program 1 times [2022-07-20 02:17:42,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:42,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489903426] [2022-07-20 02:17:42,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:42,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:17:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:17:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:17:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:17:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:17:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:17:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:17:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:17:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:17:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:17:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:17:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:17:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:17:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:17:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:17:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:17:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 02:17:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 02:17:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:17:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-20 02:17:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-20 02:17:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 02:17:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-20 02:17:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 02:17:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-20 02:17:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:43,164 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2022-07-20 02:17:43,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:43,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489903426] [2022-07-20 02:17:43,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489903426] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:43,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:43,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:43,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73298775] [2022-07-20 02:17:43,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:43,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:17:43,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:43,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:17:43,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:17:43,167 INFO L87 Difference]: Start difference. First operand 28911 states and 39200 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-20 02:17:45,487 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 [] [2022-07-20 02:17:47,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:47,851 INFO L93 Difference]: Finished difference Result 61091 states and 82882 transitions. [2022-07-20 02:17:47,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:17:47,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 339 [2022-07-20 02:17:47,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:47,997 INFO L225 Difference]: With dead ends: 61091 [2022-07-20 02:17:47,997 INFO L226 Difference]: Without dead ends: 32283 [2022-07-20 02:17:48,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:17:48,186 INFO L413 NwaCegarLoop]: 1916 mSDtfsCounter, 779 mSDsluCounter, 1878 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 506 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 3794 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:48,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 3794 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 1254 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-20 02:17:48,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32283 states. [2022-07-20 02:17:49,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32283 to 32069. [2022-07-20 02:17:49,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32069 states, 21988 states have (on average 1.2359923594688011) internal successors, (27177), 22750 states have internal predecessors, (27177), 7928 states have call successors, (7928), 2772 states have call predecessors, (7928), 2151 states have return successors, (8288), 6678 states have call predecessors, (8288), 7928 states have call successors, (8288) [2022-07-20 02:17:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32069 states to 32069 states and 43393 transitions. [2022-07-20 02:17:49,732 INFO L78 Accepts]: Start accepts. Automaton has 32069 states and 43393 transitions. Word has length 339 [2022-07-20 02:17:49,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:49,733 INFO L495 AbstractCegarLoop]: Abstraction has 32069 states and 43393 transitions. [2022-07-20 02:17:49,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-20 02:17:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 32069 states and 43393 transitions. [2022-07-20 02:17:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-07-20 02:17:49,740 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:49,740 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:17:49,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-20 02:17:49,740 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:17:49,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:49,741 INFO L85 PathProgramCache]: Analyzing trace with hash 373871715, now seen corresponding path program 1 times [2022-07-20 02:17:49,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:49,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378842874] [2022-07-20 02:17:49,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:49,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:17:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:17:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:17:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:17:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:17:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:17:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:17:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:17:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:17:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:17:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:17:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:17:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:17:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:17:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:17:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:17:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 02:17:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 02:17:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:17:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-20 02:17:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-20 02:17:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-20 02:17:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-20 02:17:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 02:17:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-20 02:17:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,138 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2022-07-20 02:17:50,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:50,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378842874] [2022-07-20 02:17:50,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378842874] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:50,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:50,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:50,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499062043] [2022-07-20 02:17:50,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:50,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:17:50,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:50,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:17:50,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:17:50,141 INFO L87 Difference]: Start difference. First operand 32069 states and 43393 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-20 02:17:52,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:17:55,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:55,271 INFO L93 Difference]: Finished difference Result 67551 states and 91454 transitions. [2022-07-20 02:17:55,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:17:55,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 339 [2022-07-20 02:17:55,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:55,409 INFO L225 Difference]: With dead ends: 67551 [2022-07-20 02:17:55,410 INFO L226 Difference]: Without dead ends: 35585 [2022-07-20 02:17:55,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:17:55,501 INFO L413 NwaCegarLoop]: 2179 mSDtfsCounter, 742 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 453 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 4203 SdHoareTripleChecker+Invalid, 1716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:55,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 4203 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 1262 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-07-20 02:17:55,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35585 states. [2022-07-20 02:17:57,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35585 to 35371. [2022-07-20 02:17:57,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35371 states, 24378 states have (on average 1.2353761588317336) internal successors, (30116), 25228 states have internal predecessors, (30116), 8618 states have call successors, (8618), 3102 states have call predecessors, (8618), 2373 states have return successors, (9020), 7172 states have call predecessors, (9020), 8618 states have call successors, (9020) [2022-07-20 02:17:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35371 states to 35371 states and 47754 transitions. [2022-07-20 02:17:57,276 INFO L78 Accepts]: Start accepts. Automaton has 35371 states and 47754 transitions. Word has length 339 [2022-07-20 02:17:57,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:57,276 INFO L495 AbstractCegarLoop]: Abstraction has 35371 states and 47754 transitions. [2022-07-20 02:17:57,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-20 02:17:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 35371 states and 47754 transitions. [2022-07-20 02:17:57,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-20 02:17:57,285 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:57,285 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 02:17:57,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-20 02:17:57,286 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:17:57,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:57,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1441185952, now seen corresponding path program 1 times [2022-07-20 02:17:57,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:17:57,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403778858] [2022-07-20 02:17:57,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:57,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:17:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:17:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:17:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:17:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:17:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:17:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:17:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:17:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:17:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:17:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:17:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:17:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:17:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:17:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:17:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:17:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:17:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:17:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:17:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:17:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:17:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:17:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:17:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:17:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:17:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 02:17:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 02:17:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:17:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-20 02:17:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-20 02:17:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 02:17:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-20 02:17:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-20 02:17:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-20 02:17:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 02:17:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:17:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-20 02:17:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-20 02:17:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:57,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2022-07-20 02:17:57,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:17:57,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403778858] [2022-07-20 02:17:57,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403778858] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:57,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:57,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:17:57,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168559120] [2022-07-20 02:17:57,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:57,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:17:57,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:17:57,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:17:57,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:17:57,724 INFO L87 Difference]: Start difference. First operand 35371 states and 47754 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-20 02:18:00,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:03,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:03,170 INFO L93 Difference]: Finished difference Result 35500 states and 47941 transitions. [2022-07-20 02:18:03,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:18:03,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 378 [2022-07-20 02:18:03,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:03,292 INFO L225 Difference]: With dead ends: 35500 [2022-07-20 02:18:03,292 INFO L226 Difference]: Without dead ends: 35498 [2022-07-20 02:18:03,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:18:03,313 INFO L413 NwaCegarLoop]: 1781 mSDtfsCounter, 1188 mSDsluCounter, 3279 mSDsCounter, 0 mSdLazyCounter, 2719 mSolverCounterSat, 624 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 5060 SdHoareTripleChecker+Invalid, 3344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 2719 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:03,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1373 Valid, 5060 Invalid, 3344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [624 Valid, 2719 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-07-20 02:18:03,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35498 states. [2022-07-20 02:18:04,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35498 to 35371. [2022-07-20 02:18:04,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35371 states, 24378 states have (on average 1.232545737960456) internal successors, (30047), 25228 states have internal predecessors, (30047), 8618 states have call successors, (8618), 3102 states have call predecessors, (8618), 2373 states have return successors, (9020), 7172 states have call predecessors, (9020), 8618 states have call successors, (9020) [2022-07-20 02:18:04,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35371 states to 35371 states and 47685 transitions. [2022-07-20 02:18:05,001 INFO L78 Accepts]: Start accepts. Automaton has 35371 states and 47685 transitions. Word has length 378 [2022-07-20 02:18:05,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:05,002 INFO L495 AbstractCegarLoop]: Abstraction has 35371 states and 47685 transitions. [2022-07-20 02:18:05,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 4 states have internal predecessors, (129), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-20 02:18:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 35371 states and 47685 transitions. [2022-07-20 02:18:05,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2022-07-20 02:18:05,048 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:05,049 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 14, 14, 13, 13, 13, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:05,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-20 02:18:05,049 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:18:05,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:05,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1578447566, now seen corresponding path program 1 times [2022-07-20 02:18:05,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:18:05,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580423435] [2022-07-20 02:18:05,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:05,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:18:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:18:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:18:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:18:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:18:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:18:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:18:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:18:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:18:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:18:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:18:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:18:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:18:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:18:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:18:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:18:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:18:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:18:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:18:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:18:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:18:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:18:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:18:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:18:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:18:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 02:18:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 02:18:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 02:18:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 02:18:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-20 02:18:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 02:18:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 02:18:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-20 02:18:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-20 02:18:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-20 02:18:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-20 02:18:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 02:18:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 02:18:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-20 02:18:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 02:18:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-20 02:18:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 02:18:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-20 02:18:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-20 02:18:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 02:18:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-20 02:18:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-20 02:18:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-20 02:18:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-20 02:18:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-20 02:18:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-20 02:18:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-20 02:18:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-20 02:18:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:18:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-20 02:18:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-20 02:18:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-20 02:18:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1448 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1434 trivial. 0 not checked. [2022-07-20 02:18:05,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:18:05,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580423435] [2022-07-20 02:18:05,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580423435] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:18:05,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:18:05,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:18:05,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697563684] [2022-07-20 02:18:05,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:05,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:18:05,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:18:05,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:18:05,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:18:05,470 INFO L87 Difference]: Start difference. First operand 35371 states and 47685 transitions. Second operand has 6 states, 5 states have (on average 41.8) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (63), 4 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-20 02:18:07,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:09,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:12,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:14,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:19,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:19,002 INFO L93 Difference]: Finished difference Result 105003 states and 144776 transitions. [2022-07-20 02:18:19,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:18:19,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 41.8) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (63), 4 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 3 states have call successors, (60) Word has length 525 [2022-07-20 02:18:19,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:19,208 INFO L225 Difference]: With dead ends: 105003 [2022-07-20 02:18:19,209 INFO L226 Difference]: Without dead ends: 69735 [2022-07-20 02:18:19,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-20 02:18:19,301 INFO L413 NwaCegarLoop]: 2362 mSDtfsCounter, 2159 mSDsluCounter, 4934 mSDsCounter, 0 mSdLazyCounter, 3090 mSolverCounterSat, 1047 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 7296 SdHoareTripleChecker+Invalid, 4141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1047 IncrementalHoareTripleChecker+Valid, 3090 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:19,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 7296 Invalid, 4141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1047 Valid, 3090 Invalid, 4 Unknown, 0 Unchecked, 10.9s Time] [2022-07-20 02:18:19,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69735 states. [2022-07-20 02:18:21,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69735 to 34081. [2022-07-20 02:18:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34081 states, 23508 states have (on average 1.2296664965118258) internal successors, (28907), 24298 states have internal predecessors, (28907), 8246 states have call successors, (8246), 3066 states have call predecessors, (8246), 2325 states have return successors, (8564), 6842 states have call predecessors, (8564), 8246 states have call successors, (8564) [2022-07-20 02:18:21,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34081 states to 34081 states and 45717 transitions. [2022-07-20 02:18:21,795 INFO L78 Accepts]: Start accepts. Automaton has 34081 states and 45717 transitions. Word has length 525 [2022-07-20 02:18:21,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:21,796 INFO L495 AbstractCegarLoop]: Abstraction has 34081 states and 45717 transitions. [2022-07-20 02:18:21,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 41.8) internal successors, (209), 4 states have internal predecessors, (209), 3 states have call successors, (63), 4 states have call predecessors, (63), 1 states have return successors, (60), 2 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-20 02:18:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 34081 states and 45717 transitions. [2022-07-20 02:18:21,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2022-07-20 02:18:21,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:21,813 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 19, 19, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:21,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-20 02:18:21,814 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:18:21,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:21,814 INFO L85 PathProgramCache]: Analyzing trace with hash -758479427, now seen corresponding path program 1 times [2022-07-20 02:18:21,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:18:21,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958710899] [2022-07-20 02:18:21,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:21,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:18:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:18:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:18:22,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:18:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:18:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:18:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:18:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:18:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:18:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:18:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:18:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:18:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:18:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:18:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:18:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:18:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:18:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:18:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:18:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:18:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:18:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:18:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:18:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:18:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:18:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 02:18:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 02:18:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:18:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-20 02:18:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-20 02:18:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 02:18:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-20 02:18:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-20 02:18:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-20 02:18:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 02:18:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-20 02:18:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-20 02:18:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-20 02:18:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:18:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 02:18:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 02:18:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:18:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 02:18:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 02:18:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-20 02:18:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:18:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 02:18:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 02:18:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:18:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 02:18:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:18:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-20 02:18:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 02:18:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-20 02:18:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-20 02:18:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-20 02:18:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-20 02:18:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-20 02:18:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:18:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2022-07-20 02:18:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:22,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4646 trivial. 0 not checked. [2022-07-20 02:18:22,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:18:22,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958710899] [2022-07-20 02:18:22,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958710899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:18:22,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:18:22,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:18:22,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736006622] [2022-07-20 02:18:22,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:22,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:18:22,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:18:22,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:18:22,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:18:22,753 INFO L87 Difference]: Start difference. First operand 34081 states and 45717 transitions. Second operand has 7 states, 6 states have (on average 29.833333333333332) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (71), 6 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 3 states have call successors, (68) [2022-07-20 02:18:25,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:29,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:29,236 INFO L93 Difference]: Finished difference Result 69264 states and 93527 transitions. [2022-07-20 02:18:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 02:18:29,237 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.833333333333332) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (71), 6 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 3 states have call successors, (68) Word has length 869 [2022-07-20 02:18:29,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:29,351 INFO L225 Difference]: With dead ends: 69264 [2022-07-20 02:18:29,351 INFO L226 Difference]: Without dead ends: 35286 [2022-07-20 02:18:29,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-07-20 02:18:29,442 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1214 mSDsluCounter, 2910 mSDsCounter, 0 mSdLazyCounter, 2206 mSolverCounterSat, 1745 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1244 SdHoareTripleChecker+Valid, 4484 SdHoareTripleChecker+Invalid, 3952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1745 IncrementalHoareTripleChecker+Valid, 2206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:29,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 4484 Invalid, 3952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1745 Valid, 2206 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-07-20 02:18:29,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35286 states. [2022-07-20 02:18:31,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35286 to 34105. [2022-07-20 02:18:31,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34105 states, 23532 states have (on average 1.2294322624511305) internal successors, (28931), 24322 states have internal predecessors, (28931), 8246 states have call successors, (8246), 3066 states have call predecessors, (8246), 2325 states have return successors, (8564), 6842 states have call predecessors, (8564), 8246 states have call successors, (8564) [2022-07-20 02:18:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34105 states to 34105 states and 45741 transitions. [2022-07-20 02:18:31,476 INFO L78 Accepts]: Start accepts. Automaton has 34105 states and 45741 transitions. Word has length 869 [2022-07-20 02:18:31,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:31,477 INFO L495 AbstractCegarLoop]: Abstraction has 34105 states and 45741 transitions. [2022-07-20 02:18:31,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.833333333333332) internal successors, (179), 3 states have internal predecessors, (179), 3 states have call successors, (71), 6 states have call predecessors, (71), 2 states have return successors, (68), 2 states have call predecessors, (68), 3 states have call successors, (68) [2022-07-20 02:18:31,477 INFO L276 IsEmpty]: Start isEmpty. Operand 34105 states and 45741 transitions. [2022-07-20 02:18:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-07-20 02:18:31,498 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:31,498 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 15, 15, 15, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:31,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-20 02:18:31,499 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:18:31,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:31,499 INFO L85 PathProgramCache]: Analyzing trace with hash 553442459, now seen corresponding path program 1 times [2022-07-20 02:18:31,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:18:31,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681055611] [2022-07-20 02:18:31,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:31,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:18:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:18:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:18:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:18:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:18:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:18:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:18:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:18:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:18:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:18:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:18:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:18:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:18:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:18:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:18:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:18:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:18:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:18:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:18:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:18:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:18:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:18:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:18:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:18:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:18:31,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 02:18:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 02:18:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 02:18:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 02:18:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-20 02:18:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:18:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:18:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:18:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 02:18:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 02:18:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-20 02:18:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-20 02:18:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-20 02:18:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-20 02:18:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-20 02:18:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 02:18:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-20 02:18:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-20 02:18:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-20 02:18:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-20 02:18:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-20 02:18:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-20 02:18:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-20 02:18:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-20 02:18:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-20 02:18:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-20 02:18:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-20 02:18:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-20 02:18:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-20 02:18:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-20 02:18:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-20 02:18:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-20 02:18:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:31,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-07-20 02:18:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:32,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-20 02:18:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:32,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:18:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:32,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:32,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-20 02:18:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:32,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-20 02:18:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:32,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-07-20 02:18:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1667 trivial. 0 not checked. [2022-07-20 02:18:32,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:18:32,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681055611] [2022-07-20 02:18:32,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681055611] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:18:32,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:18:32,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:18:32,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843762903] [2022-07-20 02:18:32,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:32,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:18:32,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:18:32,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:18:32,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:18:32,019 INFO L87 Difference]: Start difference. First operand 34105 states and 45741 transitions. Second operand has 7 states, 6 states have (on average 39.5) internal successors, (237), 3 states have internal predecessors, (237), 3 states have call successors, (74), 6 states have call predecessors, (74), 2 states have return successors, (71), 2 states have call predecessors, (71), 3 states have call successors, (71) [2022-07-20 02:18:34,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:36,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:41,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:41,161 INFO L93 Difference]: Finished difference Result 69300 states and 93464 transitions. [2022-07-20 02:18:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 02:18:41,162 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 39.5) internal successors, (237), 3 states have internal predecessors, (237), 3 states have call successors, (74), 6 states have call predecessors, (74), 2 states have return successors, (71), 2 states have call predecessors, (71), 3 states have call successors, (71) Word has length 612 [2022-07-20 02:18:41,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:41,319 INFO L225 Difference]: With dead ends: 69300 [2022-07-20 02:18:41,320 INFO L226 Difference]: Without dead ends: 35298 [2022-07-20 02:18:41,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-07-20 02:18:41,408 INFO L413 NwaCegarLoop]: 1575 mSDtfsCounter, 1030 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 1369 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 4977 SdHoareTripleChecker+Invalid, 4178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1369 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:41,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 4977 Invalid, 4178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1369 Valid, 2807 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-07-20 02:18:41,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35298 states. [2022-07-20 02:18:43,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35298 to 34213. [2022-07-20 02:18:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34213 states, 23604 states have (on average 1.229495000847314) internal successors, (29021), 24394 states have internal predecessors, (29021), 8282 states have call successors, (8282), 3066 states have call predecessors, (8282), 2325 states have return successors, (8600), 6878 states have call predecessors, (8600), 8282 states have call successors, (8600) [2022-07-20 02:18:43,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34213 states to 34213 states and 45903 transitions. [2022-07-20 02:18:43,498 INFO L78 Accepts]: Start accepts. Automaton has 34213 states and 45903 transitions. Word has length 612 [2022-07-20 02:18:43,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:43,499 INFO L495 AbstractCegarLoop]: Abstraction has 34213 states and 45903 transitions. [2022-07-20 02:18:43,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 39.5) internal successors, (237), 3 states have internal predecessors, (237), 3 states have call successors, (74), 6 states have call predecessors, (74), 2 states have return successors, (71), 2 states have call predecessors, (71), 3 states have call successors, (71) [2022-07-20 02:18:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 34213 states and 45903 transitions. [2022-07-20 02:18:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2022-07-20 02:18:43,523 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:43,523 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 19, 19, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:43,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-20 02:18:43,524 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:18:43,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:43,524 INFO L85 PathProgramCache]: Analyzing trace with hash 410012192, now seen corresponding path program 1 times [2022-07-20 02:18:43,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:18:43,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983652984] [2022-07-20 02:18:43,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:43,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:18:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:18:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:18:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:18:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:18:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:18:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:18:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:18:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:18:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:18:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:18:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:18:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:18:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:18:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:18:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:18:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:18:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:18:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:18:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:18:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:18:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:18:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:18:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:18:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:18:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 02:18:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 02:18:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:18:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-20 02:18:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-20 02:18:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 02:18:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-20 02:18:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-20 02:18:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-20 02:18:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 02:18:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-20 02:18:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-20 02:18:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-20 02:18:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:18:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 02:18:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 02:18:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:18:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 02:18:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 02:18:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-20 02:18:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:18:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 02:18:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 02:18:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:18:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 02:18:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:18:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-20 02:18:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 02:18:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-20 02:18:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-20 02:18:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-20 02:18:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-20 02:18:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:18:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-20 02:18:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-20 02:18:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-20 02:18:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:18:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2022-07-20 02:18:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:44,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5451 trivial. 0 not checked. [2022-07-20 02:18:44,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:18:44,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983652984] [2022-07-20 02:18:44,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983652984] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 02:18:44,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117654135] [2022-07-20 02:18:44,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:44,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 02:18:44,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:18:44,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 02:18:44,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 02:18:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:45,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 7135 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 02:18:45,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:18:46,021 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 902 proven. 1 refuted. 0 times theorem prover too weak. 4549 trivial. 0 not checked. [2022-07-20 02:18:46,021 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:18:46,927 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5451 trivial. 0 not checked. [2022-07-20 02:18:46,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117654135] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 02:18:46,928 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 02:18:46,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-20 02:18:46,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020698312] [2022-07-20 02:18:46,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 02:18:46,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 02:18:46,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:18:46,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 02:18:46,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-20 02:18:46,931 INFO L87 Difference]: Start difference. First operand 34213 states and 45903 transitions. Second operand has 11 states, 10 states have (on average 24.1) internal successors, (241), 7 states have internal predecessors, (241), 6 states have call successors, (119), 6 states have call predecessors, (119), 2 states have return successors, (87), 5 states have call predecessors, (87), 6 states have call successors, (87) [2022-07-20 02:18:49,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:18:54,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:18:54,255 INFO L93 Difference]: Finished difference Result 69912 states and 94475 transitions. [2022-07-20 02:18:54,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-20 02:18:54,256 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.1) internal successors, (241), 7 states have internal predecessors, (241), 6 states have call successors, (119), 6 states have call predecessors, (119), 2 states have return successors, (87), 5 states have call predecessors, (87), 6 states have call successors, (87) Word has length 933 [2022-07-20 02:18:54,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:18:54,383 INFO L225 Difference]: With dead ends: 69912 [2022-07-20 02:18:54,384 INFO L226 Difference]: Without dead ends: 35802 [2022-07-20 02:18:54,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2178 GetRequests, 2159 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2022-07-20 02:18:54,466 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1268 mSDsluCounter, 3838 mSDsCounter, 0 mSdLazyCounter, 3072 mSolverCounterSat, 1787 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1298 SdHoareTripleChecker+Valid, 5412 SdHoareTripleChecker+Invalid, 4860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1787 IncrementalHoareTripleChecker+Valid, 3072 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:18:54,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1298 Valid, 5412 Invalid, 4860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1787 Valid, 3072 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-07-20 02:18:54,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35802 states. [2022-07-20 02:18:56,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35802 to 34789. [2022-07-20 02:18:56,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34789 states, 24036 states have (on average 1.2283657846563487) internal successors, (29525), 24826 states have internal predecessors, (29525), 8426 states have call successors, (8426), 3066 states have call predecessors, (8426), 2325 states have return successors, (8744), 7022 states have call predecessors, (8744), 8426 states have call successors, (8744) [2022-07-20 02:18:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34789 states to 34789 states and 46695 transitions. [2022-07-20 02:18:56,452 INFO L78 Accepts]: Start accepts. Automaton has 34789 states and 46695 transitions. Word has length 933 [2022-07-20 02:18:56,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:18:56,453 INFO L495 AbstractCegarLoop]: Abstraction has 34789 states and 46695 transitions. [2022-07-20 02:18:56,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.1) internal successors, (241), 7 states have internal predecessors, (241), 6 states have call successors, (119), 6 states have call predecessors, (119), 2 states have return successors, (87), 5 states have call predecessors, (87), 6 states have call successors, (87) [2022-07-20 02:18:56,453 INFO L276 IsEmpty]: Start isEmpty. Operand 34789 states and 46695 transitions. [2022-07-20 02:18:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2022-07-20 02:18:56,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:18:56,472 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:18:56,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 02:18:56,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-07-20 02:18:56,685 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:18:56,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:18:56,686 INFO L85 PathProgramCache]: Analyzing trace with hash -810398502, now seen corresponding path program 1 times [2022-07-20 02:18:56,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:18:56,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800756066] [2022-07-20 02:18:56,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:56,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:18:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:18:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:18:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:18:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:18:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:18:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:18:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:18:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:18:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:18:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:18:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:18:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:18:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:18:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:18:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:18:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:18:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:18:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:18:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:18:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:18:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:18:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:18:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:18:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:18:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 02:18:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 02:18:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 02:18:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 02:18:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-20 02:18:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:18:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:18:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:18:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 02:18:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 02:18:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:18:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:18:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:18:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:18:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-20 02:18:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-20 02:18:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-20 02:18:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-20 02:18:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-20 02:18:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-20 02:18:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-20 02:18:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-20 02:18:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-20 02:18:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-20 02:18:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-07-20 02:18:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-20 02:18:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-20 02:18:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-20 02:18:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-20 02:18:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-20 02:18:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-20 02:18:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-20 02:18:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-20 02:18:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-20 02:18:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:18:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-20 02:18:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-20 02:18:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-20 02:18:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-07-20 02:18:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:18:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:18:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-07-20 02:18:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2022-07-20 02:18:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-07-20 02:18:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:57,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1769 trivial. 0 not checked. [2022-07-20 02:18:57,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:18:57,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800756066] [2022-07-20 02:18:57,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800756066] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 02:18:57,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043891287] [2022-07-20 02:18:57,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:18:57,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 02:18:57,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:18:57,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 02:18:57,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 02:18:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:58,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 6157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:18:58,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:18:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 1134 trivial. 0 not checked. [2022-07-20 02:18:58,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:18:58,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043891287] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:18:58,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:18:58,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-07-20 02:18:58,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254635950] [2022-07-20 02:18:58,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:18:58,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:18:58,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:18:58,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:18:58,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:18:58,749 INFO L87 Difference]: Start difference. First operand 34789 states and 46695 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2022-07-20 02:19:01,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:19:01,702 INFO L93 Difference]: Finished difference Result 82167 states and 111614 transitions. [2022-07-20 02:19:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:19:01,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) Word has length 650 [2022-07-20 02:19:01,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:19:01,854 INFO L225 Difference]: With dead ends: 82167 [2022-07-20 02:19:01,854 INFO L226 Difference]: Without dead ends: 47481 [2022-07-20 02:19:01,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 835 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:19:01,947 INFO L413 NwaCegarLoop]: 2094 mSDtfsCounter, 432 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 3869 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:19:01,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 3869 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 02:19:01,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47481 states. [2022-07-20 02:19:04,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47481 to 34813. [2022-07-20 02:19:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34813 states, 24060 states have (on average 1.2286367414796342) internal successors, (29561), 24850 states have internal predecessors, (29561), 8426 states have call successors, (8426), 3066 states have call predecessors, (8426), 2325 states have return successors, (8744), 7022 states have call predecessors, (8744), 8426 states have call successors, (8744) [2022-07-20 02:19:04,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34813 states to 34813 states and 46731 transitions. [2022-07-20 02:19:04,353 INFO L78 Accepts]: Start accepts. Automaton has 34813 states and 46731 transitions. Word has length 650 [2022-07-20 02:19:04,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:19:04,354 INFO L495 AbstractCegarLoop]: Abstraction has 34813 states and 46731 transitions. [2022-07-20 02:19:04,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 2 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (78), 2 states have call predecessors, (78), 2 states have call successors, (78) [2022-07-20 02:19:04,354 INFO L276 IsEmpty]: Start isEmpty. Operand 34813 states and 46731 transitions. [2022-07-20 02:19:04,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-07-20 02:19:04,371 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:19:04,371 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:19:04,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 02:19:04,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-20 02:19:04,592 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:19:04,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:19:04,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1017583322, now seen corresponding path program 1 times [2022-07-20 02:19:04,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:19:04,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896239298] [2022-07-20 02:19:04,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:19:04,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:19:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:19:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:19:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:19:04,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:19:04,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:19:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:19:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:19:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:19:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:19:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:19:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:19:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:19:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:19:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:19:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:19:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:19:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:19:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:19:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:19:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:19:04,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:19:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:19:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:19:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 02:19:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 02:19:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 02:19:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 02:19:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-20 02:19:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:19:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:19:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 02:19:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 02:19:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:19:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-20 02:19:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-20 02:19:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-20 02:19:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 02:19:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-20 02:19:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-20 02:19:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-20 02:19:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-20 02:19:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-20 02:19:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-20 02:19:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-20 02:19:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-07-20 02:19:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-07-20 02:19:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-20 02:19:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-20 02:19:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-20 02:19:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-20 02:19:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-20 02:19:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-20 02:19:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-20 02:19:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-07-20 02:19:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-07-20 02:19:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-07-20 02:19:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-20 02:19:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:19:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-07-20 02:19:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-07-20 02:19:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-07-20 02:19:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1769 trivial. 0 not checked. [2022-07-20 02:19:05,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:19:05,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896239298] [2022-07-20 02:19:05,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896239298] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:19:05,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:19:05,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 02:19:05,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312953630] [2022-07-20 02:19:05,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:19:05,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 02:19:05,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:19:05,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 02:19:05,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:19:05,115 INFO L87 Difference]: Start difference. First operand 34813 states and 46731 transitions. Second operand has 7 states, 6 states have (on average 40.5) internal successors, (243), 3 states have internal predecessors, (243), 3 states have call successors, (77), 6 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 3 states have call successors, (74) [2022-07-20 02:19:07,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:19:09,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:19:11,924 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 [] [2022-07-20 02:19:16,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:19:16,836 INFO L93 Difference]: Finished difference Result 70620 states and 94994 transitions. [2022-07-20 02:19:16,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 02:19:16,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 40.5) internal successors, (243), 3 states have internal predecessors, (243), 3 states have call successors, (77), 6 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 3 states have call successors, (74) Word has length 644 [2022-07-20 02:19:16,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:19:16,950 INFO L225 Difference]: With dead ends: 70620 [2022-07-20 02:19:16,950 INFO L226 Difference]: Without dead ends: 35910 [2022-07-20 02:19:17,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-07-20 02:19:17,038 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1016 mSDsluCounter, 3376 mSDsCounter, 0 mSdLazyCounter, 2825 mSolverCounterSat, 1353 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 4950 SdHoareTripleChecker+Invalid, 4181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1353 IncrementalHoareTripleChecker+Valid, 2825 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:19:17,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 4950 Invalid, 4181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1353 Valid, 2825 Invalid, 3 Unknown, 0 Unchecked, 9.4s Time] [2022-07-20 02:19:17,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35910 states. [2022-07-20 02:19:19,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35910 to 34837. [2022-07-20 02:19:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34837 states, 24084 states have (on average 1.2284089021757183) internal successors, (29585), 24874 states have internal predecessors, (29585), 8426 states have call successors, (8426), 3066 states have call predecessors, (8426), 2325 states have return successors, (8744), 7022 states have call predecessors, (8744), 8426 states have call successors, (8744) [2022-07-20 02:19:19,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34837 states to 34837 states and 46755 transitions. [2022-07-20 02:19:19,218 INFO L78 Accepts]: Start accepts. Automaton has 34837 states and 46755 transitions. Word has length 644 [2022-07-20 02:19:19,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:19:19,219 INFO L495 AbstractCegarLoop]: Abstraction has 34837 states and 46755 transitions. [2022-07-20 02:19:19,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 40.5) internal successors, (243), 3 states have internal predecessors, (243), 3 states have call successors, (77), 6 states have call predecessors, (77), 1 states have return successors, (74), 2 states have call predecessors, (74), 3 states have call successors, (74) [2022-07-20 02:19:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 34837 states and 46755 transitions. [2022-07-20 02:19:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2022-07-20 02:19:19,260 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:19:19,260 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 17, 17, 17, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:19:19,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-20 02:19:19,261 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:19:19,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:19:19,261 INFO L85 PathProgramCache]: Analyzing trace with hash -616687166, now seen corresponding path program 1 times [2022-07-20 02:19:19,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:19:19,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578925379] [2022-07-20 02:19:19,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:19:19,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:19:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:19:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:19:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:19:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:19:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:19:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:19:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:19:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:19:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:19:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:19:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:19:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:19:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:19:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:19:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:19:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:19:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:19:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:19:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:19:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:19:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:19:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:19:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:19:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 02:19:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 02:19:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 02:19:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 02:19:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-20 02:19:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:19,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:19:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:19:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 02:19:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 02:19:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:19:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 02:19:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-20 02:19:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-20 02:19:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-20 02:19:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-20 02:19:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-20 02:19:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-20 02:19:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-20 02:19:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-20 02:19:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-20 02:19:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-20 02:19:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-20 02:19:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-20 02:19:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-20 02:19:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-20 02:19:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-20 02:19:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-20 02:19:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-20 02:19:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-20 02:19:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-07-20 02:19:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-20 02:19:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-20 02:19:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-20 02:19:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-07-20 02:19:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-07-20 02:19:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-07-20 02:19:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:19:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2022-07-20 02:19:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-20 02:19:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2022-07-20 02:19:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1914 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1899 trivial. 0 not checked. [2022-07-20 02:19:19,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:19:19,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578925379] [2022-07-20 02:19:19,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578925379] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 02:19:19,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887837965] [2022-07-20 02:19:19,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:19:19,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 02:19:19,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:19:19,750 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 02:19:19,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 02:19:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:21,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 6353 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:19:21,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:19:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1914 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2022-07-20 02:19:21,151 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:19:21,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887837965] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:19:21,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:19:21,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-07-20 02:19:21,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441154843] [2022-07-20 02:19:21,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:19:21,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:19:21,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:19:21,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:19:21,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:19:21,154 INFO L87 Difference]: Start difference. First operand 34837 states and 46755 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2022-07-20 02:19:24,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:19:24,133 INFO L93 Difference]: Finished difference Result 82479 states and 112094 transitions. [2022-07-20 02:19:24,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:19:24,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) Word has length 684 [2022-07-20 02:19:24,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:19:24,318 INFO L225 Difference]: With dead ends: 82479 [2022-07-20 02:19:24,319 INFO L226 Difference]: Without dead ends: 47745 [2022-07-20 02:19:24,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 886 GetRequests, 879 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:19:24,425 INFO L413 NwaCegarLoop]: 2287 mSDtfsCounter, 448 mSDsluCounter, 1814 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 4101 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:19:24,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 4101 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 02:19:24,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47745 states. [2022-07-20 02:19:26,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47745 to 35053. [2022-07-20 02:19:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35053 states, 24252 states have (on average 1.2288058716806862) internal successors, (29801), 25042 states have internal predecessors, (29801), 8474 states have call successors, (8474), 3066 states have call predecessors, (8474), 2325 states have return successors, (8816), 7070 states have call predecessors, (8816), 8474 states have call successors, (8816) [2022-07-20 02:19:26,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35053 states to 35053 states and 47091 transitions. [2022-07-20 02:19:26,900 INFO L78 Accepts]: Start accepts. Automaton has 35053 states and 47091 transitions. Word has length 684 [2022-07-20 02:19:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:19:26,901 INFO L495 AbstractCegarLoop]: Abstraction has 35053 states and 47091 transitions. [2022-07-20 02:19:26,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2022-07-20 02:19:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 35053 states and 47091 transitions. [2022-07-20 02:19:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2022-07-20 02:19:26,920 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:19:26,921 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 17, 17, 17, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:19:26,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 02:19:27,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 02:19:27,136 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:19:27,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:19:27,136 INFO L85 PathProgramCache]: Analyzing trace with hash -2112128481, now seen corresponding path program 1 times [2022-07-20 02:19:27,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:19:27,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163643782] [2022-07-20 02:19:27,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:19:27,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:19:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:19:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:19:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:19:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:19:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:19:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:19:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:19:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:19:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:19:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:19:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:19:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:19:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:19:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:19:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:19:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:19:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:19:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:19:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:19:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:19:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:19:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:19:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:19:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 02:19:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 02:19:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-20 02:19:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-20 02:19:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-20 02:19:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:19:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 02:19:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 02:19:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 02:19:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:19:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-20 02:19:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-20 02:19:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-20 02:19:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-20 02:19:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-20 02:19:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-20 02:19:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-20 02:19:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-20 02:19:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-20 02:19:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-20 02:19:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-20 02:19:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-20 02:19:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-20 02:19:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-20 02:19:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-20 02:19:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-20 02:19:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-20 02:19:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-07-20 02:19:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2022-07-20 02:19:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2022-07-20 02:19:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2022-07-20 02:19:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2022-07-20 02:19:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-07-20 02:19:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2022-07-20 02:19:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-07-20 02:19:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2022-07-20 02:19:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2022-07-20 02:19:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:19:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-20 02:19:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2022-07-20 02:19:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:27,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2022-07-20 02:19:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:28,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1909 trivial. 0 not checked. [2022-07-20 02:19:28,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:19:28,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163643782] [2022-07-20 02:19:28,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163643782] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 02:19:28,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185440900] [2022-07-20 02:19:28,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:19:28,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 02:19:28,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:19:28,016 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 02:19:28,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 02:19:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:29,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 6500 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:19:29,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:19:29,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1924 backedges. 678 proven. 0 refuted. 0 times theorem prover too weak. 1246 trivial. 0 not checked. [2022-07-20 02:19:29,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:19:29,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185440900] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:19:29,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:19:29,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-20 02:19:29,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67176286] [2022-07-20 02:19:29,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:19:29,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:19:29,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:19:29,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:19:29,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:19:29,381 INFO L87 Difference]: Start difference. First operand 35053 states and 47091 transitions. Second operand has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-07-20 02:19:31,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:19:31,308 INFO L93 Difference]: Finished difference Result 69283 states and 93222 transitions. [2022-07-20 02:19:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:19:31,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) Word has length 707 [2022-07-20 02:19:31,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:19:31,406 INFO L225 Difference]: With dead ends: 69283 [2022-07-20 02:19:31,407 INFO L226 Difference]: Without dead ends: 34333 [2022-07-20 02:19:31,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 914 GetRequests, 906 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:19:31,488 INFO L413 NwaCegarLoop]: 1747 mSDtfsCounter, 1 mSDsluCounter, 1743 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3490 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:19:31,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3490 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 02:19:31,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34333 states. [2022-07-20 02:19:33,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34333 to 34297. [2022-07-20 02:19:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34297 states, 23724 states have (on average 1.2225172820772214) internal successors, (29003), 24400 states have internal predecessors, (29003), 8330 states have call successors, (8330), 3066 states have call predecessors, (8330), 2241 states have return successors, (8498), 6956 states have call predecessors, (8498), 8330 states have call successors, (8498) [2022-07-20 02:19:33,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34297 states to 34297 states and 45831 transitions. [2022-07-20 02:19:33,502 INFO L78 Accepts]: Start accepts. Automaton has 34297 states and 45831 transitions. Word has length 707 [2022-07-20 02:19:33,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:19:33,503 INFO L495 AbstractCegarLoop]: Abstraction has 34297 states and 45831 transitions. [2022-07-20 02:19:33,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.33333333333333) internal successors, (286), 3 states have internal predecessors, (286), 2 states have call successors, (85), 2 states have call predecessors, (85), 2 states have return successors, (82), 2 states have call predecessors, (82), 2 states have call successors, (82) [2022-07-20 02:19:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 34297 states and 45831 transitions. [2022-07-20 02:19:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2022-07-20 02:19:33,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:19:33,525 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:19:33,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-20 02:19:33,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 02:19:33,730 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:19:33,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:19:33,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1310324919, now seen corresponding path program 2 times [2022-07-20 02:19:33,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:19:33,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796819048] [2022-07-20 02:19:33,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:19:33,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:19:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:19:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:19:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:19:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:19:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:19:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:19:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:19:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 02:19:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 02:19:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 02:19:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 02:19:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:19:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-20 02:19:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:19:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:19:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 02:19:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:19:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:19:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:19:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 02:19:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:19:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:19:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-20 02:19:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-20 02:19:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-20 02:19:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:19:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-20 02:19:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-20 02:19:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-20 02:19:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-20 02:19:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-20 02:19:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-20 02:19:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 02:19:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-20 02:19:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-20 02:19:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-20 02:19:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 02:19:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 02:19:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-20 02:19:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:19:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 02:19:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 02:19:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-20 02:19:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:19:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 02:19:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 02:19:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:19:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 02:19:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:19:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-20 02:19:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-20 02:19:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-20 02:19:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-20 02:19:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-20 02:19:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-20 02:19:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-20 02:19:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-07-20 02:19:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-20 02:19:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-20 02:19:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2022-07-20 02:19:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-07-20 02:19:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-20 02:19:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-07-20 02:19:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 02:19:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 02:19:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2022-07-20 02:19:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:19:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:19:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-07-20 02:19:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:19:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 8482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8482 trivial. 0 not checked. [2022-07-20 02:19:34,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:19:34,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796819048] [2022-07-20 02:19:34,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796819048] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:19:34,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:19:34,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 02:19:34,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147257208] [2022-07-20 02:19:34,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:19:34,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 02:19:34,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:19:34,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 02:19:34,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:19:34,899 INFO L87 Difference]: Start difference. First operand 34297 states and 45831 transitions. Second operand has 9 states, 8 states have (on average 23.875) internal successors, (191), 4 states have internal predecessors, (191), 3 states have call successors, (75), 7 states have call predecessors, (75), 2 states have return successors, (72), 2 states have call predecessors, (72), 3 states have call successors, (72) [2022-07-20 02:19:37,593 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 []