./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_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-?-6c24879 [2022-07-12 15:12:35,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:12:35,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:12:35,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:12:35,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:12:35,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:12:35,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:12:35,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:12:35,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:12:35,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:12:35,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:12:35,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:12:35,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:12:35,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:12:35,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:12:35,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:12:35,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:12:35,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:12:35,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:12:35,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:12:35,793 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:12:35,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:12:35,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:12:35,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:12:35,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:12:35,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:12:35,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:12:35,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:12:35,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:12:35,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:12:35,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:12:35,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:12:35,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:12:35,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:12:35,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:12:35,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:12:35,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:12:35,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:12:35,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:12:35,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:12:35,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:12:35,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:12:35,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:12:35,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:12:35,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:12:35,831 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:12:35,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:12:35,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:12:35,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:12:35,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:12:35,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:12:35,832 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:12:35,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:12:35,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:12:35,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:12:35,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:12:35,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:12:35,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:12:35,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:12:35,834 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:12:35,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:12:35,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:12:35,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:12:35,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:12:35,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:12:35,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:12:35,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:12:35,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:12:35,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:12:35,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:12:35,836 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:12:35,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:12:35,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:12:35,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b81be647295ba0700d02fa1d093d31284b02ba80deefc4d677fbd988693200b [2022-07-12 15:12:36,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:12:36,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:12:36,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:12:36,023 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:12:36,025 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:12:36,025 INFO L432 ainManager$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 [2022-07-12 15:12:36,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51f7c4ec5/96b38d12f8614064a65a73558323f42e/FLAGa85afd83e [2022-07-12 15:12:36,705 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:12:36,706 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 [2022-07-12 15:12:36,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51f7c4ec5/96b38d12f8614064a65a73558323f42e/FLAGa85afd83e [2022-07-12 15:12:37,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51f7c4ec5/96b38d12f8614064a65a73558323f42e [2022-07-12 15:12:37,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:12:37,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:12:37,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:12:37,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:12:37,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:12:37,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:12:37" (1/1) ... [2022-07-12 15:12:37,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b6f5e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:37, skipping insertion in model container [2022-07-12 15:12:37,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:12:37" (1/1) ... [2022-07-12 15:12:37,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:12:37,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:12:38,542 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] [2022-07-12 15:12:38,545 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] [2022-07-12 15:12:38,546 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] [2022-07-12 15:12:38,546 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] [2022-07-12 15:12:38,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:12:38,614 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:12:38,838 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] [2022-07-12 15:12:38,839 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] [2022-07-12 15:12:38,839 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] [2022-07-12 15:12:38,839 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] [2022-07-12 15:12:38,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:12:38,963 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:12:38,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38 WrapperNode [2022-07-12 15:12:38,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:12:38,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:12:38,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:12:38,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:12:38,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38" (1/1) ... [2022-07-12 15:12:39,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38" (1/1) ... [2022-07-12 15:12:39,150 INFO L137 Inliner]: procedures = 370, calls = 2171, calls flagged for inlining = 172, calls inlined = 152, statements flattened = 4103 [2022-07-12 15:12:39,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:12:39,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:12:39,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:12:39,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:12:39,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38" (1/1) ... [2022-07-12 15:12:39,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38" (1/1) ... [2022-07-12 15:12:39,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38" (1/1) ... [2022-07-12 15:12:39,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38" (1/1) ... [2022-07-12 15:12:39,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38" (1/1) ... [2022-07-12 15:12:39,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38" (1/1) ... [2022-07-12 15:12:39,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38" (1/1) ... [2022-07-12 15:12:39,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:12:39,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:12:39,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:12:39,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:12:39,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38" (1/1) ... [2022-07-12 15:12:39,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:12:39,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:12:39,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 15:12:39,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 15:12:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_page_lock_of_ei_device [2022-07-12 15:12:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_page_lock_of_ei_device [2022-07-12 15:12:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:12:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:12:39,437 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_detach [2022-07-12 15:12:39,437 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_detach [2022-07-12 15:12:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:12:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:12:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:12:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:12:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 15:12:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 15:12:39,438 INFO L130 BoogieDeclarations]: Found specification of procedure AX88190_init [2022-07-12 15:12:39,438 INFO L138 BoogieDeclarations]: Found implementation of procedure AX88190_init [2022-07-12 15:12:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-07-12 15:12:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2022-07-12 15:12:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:12:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:12:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2022-07-12 15:12:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2022-07-12 15:12:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 15:12:39,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 15:12:39,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_70 [2022-07-12 15:12:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_70 [2022-07-12 15:12:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:12:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:12:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2022-07-12 15:12:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2022-07-12 15:12:39,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:12:39,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:12:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2022-07-12 15:12:39,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2022-07-12 15:12:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 15:12:39,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 15:12:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_release [2022-07-12 15:12:39,441 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_release [2022-07-12 15:12:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_config_byte [2022-07-12 15:12:39,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_config_byte [2022-07-12 15:12:39,441 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-07-12 15:12:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-07-12 15:12:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2022-07-12 15:12:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2022-07-12 15:12:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 15:12:39,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 15:12:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:12:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 15:12:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 15:12:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:12:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:12:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:12:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 15:12:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 15:12:39,444 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-12 15:12:39,444 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-12 15:12:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:12:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:12:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2022-07-12 15:12:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2022-07-12 15:12:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2022-07-12 15:12:39,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2022-07-12 15:12:39,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:12:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:12:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 15:12:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 15:12:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-12 15:12:39,446 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-12 15:12:39,446 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 15:12:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 15:12:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:12:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:12:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 15:12:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-12 15:12:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-12 15:12:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 15:12:39,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:12:39,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:12:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 15:12:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 15:12:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 15:12:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure ei_irq_wrapper [2022-07-12 15:12:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_irq_wrapper [2022-07-12 15:12:39,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 15:12:39,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 15:12:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 15:12:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 15:12:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 15:12:39,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 15:12:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 15:12:39,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:12:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:12:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_reset_8390 [2022-07-12 15:12:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_reset_8390 [2022-07-12 15:12:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_tx_timeout [2022-07-12 15:12:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_tx_timeout [2022-07-12 15:12:39,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:12:39,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:12:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:12:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2022-07-12 15:12:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2022-07-12 15:12:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 15:12:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 15:12:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_cs_driver_exit [2022-07-12 15:12:39,451 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_cs_driver_exit [2022-07-12 15:12:39,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:12:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:12:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:12:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 15:12:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 15:12:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:12:39,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:12:39,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:12:39,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:12:39,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:12:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 15:12:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 15:12:39,455 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2022-07-12 15:12:39,455 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2022-07-12 15:12:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-12 15:12:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-12 15:12:39,456 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2022-07-12 15:12:39,456 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2022-07-12 15:12:39,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 15:12:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:12:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:12:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-12 15:12:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-12 15:12:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:12:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:12:39,951 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:12:39,953 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:12:40,203 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:12:44,094 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:12:44,146 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:12:44,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:12:44,162 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 15:12:44,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:12:44 BoogieIcfgContainer [2022-07-12 15:12:44,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:12:44,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:12:44,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:12:44,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:12:44,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:12:37" (1/3) ... [2022-07-12 15:12:44,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb04b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:12:44, skipping insertion in model container [2022-07-12 15:12:44,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:12:38" (2/3) ... [2022-07-12 15:12:44,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bb04b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:12:44, skipping insertion in model container [2022-07-12 15:12:44,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:12:44" (3/3) ... [2022-07-12 15:12:44,171 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2022-07-12 15:12:44,180 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:12:44,181 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 15:12:44,248 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:12:44,255 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@37484711, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1cd92f1b [2022-07-12 15:12:44,256 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 15:12:44,263 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) [2022-07-12 15:12:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-12 15:12:44,274 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:12:44,274 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] [2022-07-12 15:12:44,274 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:12:44,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:12:44,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1278675397, now seen corresponding path program 1 times [2022-07-12 15:12:44,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:12:44,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131996819] [2022-07-12 15:12:44,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:12:44,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:12:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:12:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:12:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:12:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:12:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:12:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:12:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:12:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:12:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 15:12:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-12 15:12:44,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:12:44,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131996819] [2022-07-12 15:12:44,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131996819] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:12:44,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:12:44,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:12:44,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253608002] [2022-07-12 15:12:44,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:12:44,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:12:44,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:12:44,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:12:44,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:12:44,932 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) [2022-07-12 15:12:47,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:12:50,650 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:12:51,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:12:51,600 INFO L93 Difference]: Finished difference Result 3687 states and 5415 transitions. [2022-07-12 15:12:51,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:12:51,602 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 [2022-07-12 15:12:51,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:12:51,622 INFO L225 Difference]: With dead ends: 3687 [2022-07-12 15:12:51,622 INFO L226 Difference]: Without dead ends: 2426 [2022-07-12 15:12:51,630 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 [2022-07-12 15:12:51,632 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 [2022-07-12 15:12:51,633 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] [2022-07-12 15:12:51,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2022-07-12 15:12:51,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 2414. [2022-07-12 15:12:51,747 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) [2022-07-12 15:12:51,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 2414 states and 3459 transitions. [2022-07-12 15:12:51,763 INFO L78 Accepts]: Start accepts. Automaton has 2414 states and 3459 transitions. Word has length 105 [2022-07-12 15:12:51,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:12:51,766 INFO L495 AbstractCegarLoop]: Abstraction has 2414 states and 3459 transitions. [2022-07-12 15:12:51,766 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) [2022-07-12 15:12:51,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 3459 transitions. [2022-07-12 15:12:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 15:12:51,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:12:51,772 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] [2022-07-12 15:12:51,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 15:12:51,773 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:12:51,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:12:51,774 INFO L85 PathProgramCache]: Analyzing trace with hash 600412112, now seen corresponding path program 1 times [2022-07-12 15:12:51,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:12:51,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708727463] [2022-07-12 15:12:51,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:12:51,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:12:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:12:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:51,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:12:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:51,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:51,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:12:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:51,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:12:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:52,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:12:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:52,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:12:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:12:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:52,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:12:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 15:12:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-12 15:12:52,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:12:52,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708727463] [2022-07-12 15:12:52,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708727463] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:12:52,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:12:52,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:12:52,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183370025] [2022-07-12 15:12:52,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:12:52,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:12:52,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:12:52,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:12:52,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:12:52,066 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) [2022-07-12 15:12:54,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:12:57,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:12:58,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:12:58,408 INFO L93 Difference]: Finished difference Result 6774 states and 9700 transitions. [2022-07-12 15:12:58,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:12:58,409 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 [2022-07-12 15:12:58,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:12:58,430 INFO L225 Difference]: With dead ends: 6774 [2022-07-12 15:12:58,430 INFO L226 Difference]: Without dead ends: 4379 [2022-07-12 15:12:58,438 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 [2022-07-12 15:12:58,438 INFO L413 NwaCegarLoop]: 1946 mSDtfsCounter, 1569 mSDsluCounter, 1789 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 943 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s 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 [2022-07-12 15:12:58,439 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] [2022-07-12 15:12:58,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4379 states. [2022-07-12 15:12:58,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4379 to 4336. [2022-07-12 15:12:58,566 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) [2022-07-12 15:12:58,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4336 states to 4336 states and 6187 transitions. [2022-07-12 15:12:58,588 INFO L78 Accepts]: Start accepts. Automaton has 4336 states and 6187 transitions. Word has length 114 [2022-07-12 15:12:58,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:12:58,589 INFO L495 AbstractCegarLoop]: Abstraction has 4336 states and 6187 transitions. [2022-07-12 15:12:58,589 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) [2022-07-12 15:12:58,589 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 6187 transitions. [2022-07-12 15:12:58,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-12 15:12:58,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:12:58,592 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] [2022-07-12 15:12:58,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 15:12:58,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:12:58,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:12:58,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1955466161, now seen corresponding path program 1 times [2022-07-12 15:12:58,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:12:58,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885860827] [2022-07-12 15:12:58,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:12:58,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:12:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:12:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:12:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:12:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:12:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:12:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:12:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:12:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:12:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 15:12:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 15:12:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:12:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:12:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:12:58,834 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2022-07-12 15:12:58,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:12:58,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885860827] [2022-07-12 15:12:58,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885860827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:12:58,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:12:58,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:12:58,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822089996] [2022-07-12 15:12:58,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:12:58,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:12:58,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:12:58,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:12:58,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:12:58,837 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) [2022-07-12 15:13:01,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:13:03,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:03,106 INFO L93 Difference]: Finished difference Result 11896 states and 16902 transitions. [2022-07-12 15:13:03,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:13:03,109 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 [2022-07-12 15:13:03,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:03,143 INFO L225 Difference]: With dead ends: 11896 [2022-07-12 15:13:03,143 INFO L226 Difference]: Without dead ends: 7579 [2022-07-12 15:13:03,157 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 [2022-07-12 15:13:03,161 INFO L413 NwaCegarLoop]: 1889 mSDtfsCounter, 1554 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 1405 mSolverCounterSat, 956 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 4.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:03,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1834 Valid, 3685 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 1405 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-07-12 15:13:03,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7579 states. [2022-07-12 15:13:03,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7579 to 7522. [2022-07-12 15:13:03,445 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) [2022-07-12 15:13:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7522 states to 7522 states and 10637 transitions. [2022-07-12 15:13:03,473 INFO L78 Accepts]: Start accepts. Automaton has 7522 states and 10637 transitions. Word has length 119 [2022-07-12 15:13:03,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:03,474 INFO L495 AbstractCegarLoop]: Abstraction has 7522 states and 10637 transitions. [2022-07-12 15:13:03,475 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) [2022-07-12 15:13:03,475 INFO L276 IsEmpty]: Start isEmpty. Operand 7522 states and 10637 transitions. [2022-07-12 15:13:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-07-12 15:13:03,476 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:03,477 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] [2022-07-12 15:13:03,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 15:13:03,477 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)] === [2022-07-12 15:13:03,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:03,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1794271588, now seen corresponding path program 1 times [2022-07-12 15:13:03,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:03,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691044272] [2022-07-12 15:13:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:03,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 15:13:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:13:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 15:13:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 15:13:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 15:13:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 15:13:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-07-12 15:13:03,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:03,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691044272] [2022-07-12 15:13:03,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691044272] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:03,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:03,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:13:03,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903449553] [2022-07-12 15:13:03,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:03,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:13:03,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:03,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:13:03,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:13:03,702 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) [2022-07-12 15:13:06,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:13:07,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:07,468 INFO L93 Difference]: Finished difference Result 13360 states and 18856 transitions. [2022-07-12 15:13:07,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:13:07,469 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 [2022-07-12 15:13:07,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:07,493 INFO L225 Difference]: With dead ends: 13360 [2022-07-12 15:13:07,493 INFO L226 Difference]: Without dead ends: 5857 [2022-07-12 15:13:07,512 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 [2022-07-12 15:13:07,513 INFO L413 NwaCegarLoop]: 2305 mSDtfsCounter, 1482 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 821 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1666 SdHoareTripleChecker+Valid, 3912 SdHoareTripleChecker+Invalid, 1814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:07,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1666 Valid, 3912 Invalid, 1814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 992 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 15:13:07,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5857 states. [2022-07-12 15:13:07,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5857 to 5786. [2022-07-12 15:13:07,653 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) [2022-07-12 15:13:07,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5786 states to 5786 states and 8075 transitions. [2022-07-12 15:13:07,670 INFO L78 Accepts]: Start accepts. Automaton has 5786 states and 8075 transitions. Word has length 143 [2022-07-12 15:13:07,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:07,672 INFO L495 AbstractCegarLoop]: Abstraction has 5786 states and 8075 transitions. [2022-07-12 15:13:07,672 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) [2022-07-12 15:13:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 5786 states and 8075 transitions. [2022-07-12 15:13:07,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-12 15:13:07,674 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:07,674 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] [2022-07-12 15:13:07,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 15:13:07,675 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:13:07,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:07,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1489403305, now seen corresponding path program 1 times [2022-07-12 15:13:07,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:07,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239879098] [2022-07-12 15:13:07,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:07,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:13:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:13:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:13:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:13:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:13:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:13:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:13:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2022-07-12 15:13:07,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:07,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239879098] [2022-07-12 15:13:07,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239879098] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:07,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:07,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:13:07,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397128266] [2022-07-12 15:13:07,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:07,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:13:07,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:07,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:13:07,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:13:07,919 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) [2022-07-12 15:13:10,532 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 [] [2022-07-12 15:13:12,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:13:14,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:14,119 INFO L93 Difference]: Finished difference Result 16747 states and 23435 transitions. [2022-07-12 15:13:14,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:13:14,120 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 [2022-07-12 15:13:14,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:14,175 INFO L225 Difference]: With dead ends: 16747 [2022-07-12 15:13:14,175 INFO L226 Difference]: Without dead ends: 11050 [2022-07-12 15:13:14,195 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 [2022-07-12 15:13:14,196 INFO L413 NwaCegarLoop]: 2990 mSDtfsCounter, 1634 mSDsluCounter, 2447 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 732 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s 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, 6.0s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:14,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 5437 Invalid, 2222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [732 Valid, 1488 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-07-12 15:13:14,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11050 states. [2022-07-12 15:13:14,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11050 to 11006. [2022-07-12 15:13:14,499 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) [2022-07-12 15:13:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11006 states to 11006 states and 15360 transitions. [2022-07-12 15:13:14,532 INFO L78 Accepts]: Start accepts. Automaton has 11006 states and 15360 transitions. Word has length 161 [2022-07-12 15:13:14,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:14,533 INFO L495 AbstractCegarLoop]: Abstraction has 11006 states and 15360 transitions. [2022-07-12 15:13:14,533 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) [2022-07-12 15:13:14,533 INFO L276 IsEmpty]: Start isEmpty. Operand 11006 states and 15360 transitions. [2022-07-12 15:13:14,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-12 15:13:14,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:14,535 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] [2022-07-12 15:13:14,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 15:13:14,536 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:13:14,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:14,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1629951915, now seen corresponding path program 1 times [2022-07-12 15:13:14,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:14,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592047341] [2022-07-12 15:13:14,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:14,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:13:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:13:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:13:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:13:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:13:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:13:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:13:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:14,826 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-07-12 15:13:14,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:14,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592047341] [2022-07-12 15:13:14,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592047341] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:14,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:14,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:13:14,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596154853] [2022-07-12 15:13:14,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:14,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:13:14,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:14,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:13:14,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:13:14,828 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) [2022-07-12 15:13:17,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:13:18,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:18,758 INFO L93 Difference]: Finished difference Result 11052 states and 15432 transitions. [2022-07-12 15:13:18,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:13:18,762 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 [2022-07-12 15:13:18,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:18,798 INFO L225 Difference]: With dead ends: 11052 [2022-07-12 15:13:18,798 INFO L226 Difference]: Without dead ends: 11050 [2022-07-12 15:13:18,804 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 [2022-07-12 15:13:18,805 INFO L413 NwaCegarLoop]: 1674 mSDtfsCounter, 1604 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 691 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:18,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1825 Valid, 4578 Invalid, 2532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-12 15:13:18,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11050 states. [2022-07-12 15:13:19,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11050 to 11010. [2022-07-12 15:13:19,135 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) [2022-07-12 15:13:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11010 states to 11010 states and 15363 transitions. [2022-07-12 15:13:19,173 INFO L78 Accepts]: Start accepts. Automaton has 11010 states and 15363 transitions. Word has length 161 [2022-07-12 15:13:19,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:19,173 INFO L495 AbstractCegarLoop]: Abstraction has 11010 states and 15363 transitions. [2022-07-12 15:13:19,174 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) [2022-07-12 15:13:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 11010 states and 15363 transitions. [2022-07-12 15:13:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-12 15:13:19,177 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:19,177 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] [2022-07-12 15:13:19,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 15:13:19,178 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:13:19,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:19,178 INFO L85 PathProgramCache]: Analyzing trace with hash 708494784, now seen corresponding path program 1 times [2022-07-12 15:13:19,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:19,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694921744] [2022-07-12 15:13:19,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:19,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:13:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:13:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:13:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:13:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:13:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:13:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:13:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:13:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,438 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-07-12 15:13:19,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:19,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694921744] [2022-07-12 15:13:19,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694921744] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:19,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:19,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:13:19,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396496841] [2022-07-12 15:13:19,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:19,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:13:19,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:19,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:13:19,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:13:19,440 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) [2022-07-12 15:13:22,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:13:23,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:23,395 INFO L93 Difference]: Finished difference Result 11056 states and 15435 transitions. [2022-07-12 15:13:23,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:13:23,395 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 [2022-07-12 15:13:23,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:23,425 INFO L225 Difference]: With dead ends: 11056 [2022-07-12 15:13:23,425 INFO L226 Difference]: Without dead ends: 11054 [2022-07-12 15:13:23,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:13:23,430 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 690 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:23,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [690 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-12 15:13:23,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11054 states. [2022-07-12 15:13:23,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11054 to 11014. [2022-07-12 15:13:23,693 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) [2022-07-12 15:13:23,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11014 states to 11014 states and 15366 transitions. [2022-07-12 15:13:23,724 INFO L78 Accepts]: Start accepts. Automaton has 11014 states and 15366 transitions. Word has length 166 [2022-07-12 15:13:23,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:23,725 INFO L495 AbstractCegarLoop]: Abstraction has 11014 states and 15366 transitions. [2022-07-12 15:13:23,725 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) [2022-07-12 15:13:23,725 INFO L276 IsEmpty]: Start isEmpty. Operand 11014 states and 15366 transitions. [2022-07-12 15:13:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-12 15:13:23,727 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:23,727 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] [2022-07-12 15:13:23,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 15:13:23,728 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:13:23,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:23,728 INFO L85 PathProgramCache]: Analyzing trace with hash 607564939, now seen corresponding path program 1 times [2022-07-12 15:13:23,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:23,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386553612] [2022-07-12 15:13:23,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:23,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:13:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:13:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:13:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:13:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:23,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:13:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:13:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:24,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:13:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:24,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:13:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:13:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-07-12 15:13:24,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:24,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386553612] [2022-07-12 15:13:24,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386553612] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:24,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:24,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:13:24,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044065174] [2022-07-12 15:13:24,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:24,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:13:24,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:24,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:13:24,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:13:24,022 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) [2022-07-12 15:13:26,593 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 [] [2022-07-12 15:13:27,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:27,826 INFO L93 Difference]: Finished difference Result 11060 states and 15438 transitions. [2022-07-12 15:13:27,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:13:27,827 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 [2022-07-12 15:13:27,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:27,862 INFO L225 Difference]: With dead ends: 11060 [2022-07-12 15:13:27,862 INFO L226 Difference]: Without dead ends: 11058 [2022-07-12 15:13:27,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:13:27,870 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 [2022-07-12 15:13:27,870 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] [2022-07-12 15:13:27,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11058 states. [2022-07-12 15:13:28,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11058 to 11018. [2022-07-12 15:13:28,199 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) [2022-07-12 15:13:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11018 states to 11018 states and 15369 transitions. [2022-07-12 15:13:28,232 INFO L78 Accepts]: Start accepts. Automaton has 11018 states and 15369 transitions. Word has length 171 [2022-07-12 15:13:28,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:28,232 INFO L495 AbstractCegarLoop]: Abstraction has 11018 states and 15369 transitions. [2022-07-12 15:13:28,233 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) [2022-07-12 15:13:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 11018 states and 15369 transitions. [2022-07-12 15:13:28,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-12 15:13:28,235 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:28,235 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] [2022-07-12 15:13:28,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 15:13:28,236 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:13:28,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:28,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1425775520, now seen corresponding path program 1 times [2022-07-12 15:13:28,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:28,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392854849] [2022-07-12 15:13:28,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:28,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:13:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:13:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:13:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:13:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:13:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:13:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:13:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:13:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:13:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 15:13:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-07-12 15:13:28,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:28,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392854849] [2022-07-12 15:13:28,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392854849] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:28,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:28,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:13:28,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425857336] [2022-07-12 15:13:28,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:28,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:13:28,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:28,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:13:28,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:13:28,465 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) [2022-07-12 15:13:31,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:13:32,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:32,417 INFO L93 Difference]: Finished difference Result 11064 states and 15441 transitions. [2022-07-12 15:13:32,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:13:32,418 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 [2022-07-12 15:13:32,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:32,455 INFO L225 Difference]: With dead ends: 11064 [2022-07-12 15:13:32,455 INFO L226 Difference]: Without dead ends: 11062 [2022-07-12 15:13:32,462 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 [2022-07-12 15:13:32,462 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 [2022-07-12 15:13:32,462 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] [2022-07-12 15:13:32,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11062 states. [2022-07-12 15:13:32,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11062 to 11022. [2022-07-12 15:13:32,818 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) [2022-07-12 15:13:32,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11022 states to 11022 states and 15372 transitions. [2022-07-12 15:13:32,850 INFO L78 Accepts]: Start accepts. Automaton has 11022 states and 15372 transitions. Word has length 176 [2022-07-12 15:13:32,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:32,851 INFO L495 AbstractCegarLoop]: Abstraction has 11022 states and 15372 transitions. [2022-07-12 15:13:32,851 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) [2022-07-12 15:13:32,851 INFO L276 IsEmpty]: Start isEmpty. Operand 11022 states and 15372 transitions. [2022-07-12 15:13:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-12 15:13:32,854 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:32,854 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] [2022-07-12 15:13:32,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 15:13:32,854 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:13:32,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:32,855 INFO L85 PathProgramCache]: Analyzing trace with hash -626302863, now seen corresponding path program 1 times [2022-07-12 15:13:32,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:32,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116866685] [2022-07-12 15:13:32,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:32,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:32,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:13:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:13:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:13:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:13:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:13:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:13:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 15:13:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 15:13:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:13:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 15:13:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:13:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 15:13:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 15:13:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:33,056 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2022-07-12 15:13:33,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:33,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116866685] [2022-07-12 15:13:33,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116866685] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:33,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:33,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 15:13:33,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399450819] [2022-07-12 15:13:33,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:33,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:13:33,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:33,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:13:33,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:13:33,058 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) [2022-07-12 15:13:36,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:13:38,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:38,462 INFO L93 Difference]: Finished difference Result 27539 states and 38583 transitions. [2022-07-12 15:13:38,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 15:13:38,462 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 [2022-07-12 15:13:38,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:38,528 INFO L225 Difference]: With dead ends: 27539 [2022-07-12 15:13:38,528 INFO L226 Difference]: Without dead ends: 16606 [2022-07-12 15:13:38,565 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 [2022-07-12 15:13:38,566 INFO L413 NwaCegarLoop]: 3003 mSDtfsCounter, 1935 mSDsluCounter, 3570 mSDsCounter, 0 mSdLazyCounter, 2511 mSolverCounterSat, 1453 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 4.9s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:38,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2208 Valid, 6573 Invalid, 3965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1453 Valid, 2511 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-07-12 15:13:38,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16606 states. [2022-07-12 15:13:39,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16606 to 16346. [2022-07-12 15:13:39,121 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) [2022-07-12 15:13:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16346 states to 16346 states and 22845 transitions. [2022-07-12 15:13:39,181 INFO L78 Accepts]: Start accepts. Automaton has 16346 states and 22845 transitions. Word has length 196 [2022-07-12 15:13:39,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:39,182 INFO L495 AbstractCegarLoop]: Abstraction has 16346 states and 22845 transitions. [2022-07-12 15:13:39,182 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) [2022-07-12 15:13:39,182 INFO L276 IsEmpty]: Start isEmpty. Operand 16346 states and 22845 transitions. [2022-07-12 15:13:39,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-12 15:13:39,185 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:39,185 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] [2022-07-12 15:13:39,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 15:13:39,186 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:13:39,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:39,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1744922987, now seen corresponding path program 1 times [2022-07-12 15:13:39,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:39,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611375377] [2022-07-12 15:13:39,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:39,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:13:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:13:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:13:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:13:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:13:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:13:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:13:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:13:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:13:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 15:13:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 15:13:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-07-12 15:13:39,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:39,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611375377] [2022-07-12 15:13:39,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611375377] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:39,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:39,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:13:39,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74225626] [2022-07-12 15:13:39,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:39,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:13:39,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:39,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:13:39,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:13:39,449 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) [2022-07-12 15:13:42,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:13:43,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:43,501 INFO L93 Difference]: Finished difference Result 16412 states and 22947 transitions. [2022-07-12 15:13:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:13:43,502 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 [2022-07-12 15:13:43,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:43,553 INFO L225 Difference]: With dead ends: 16412 [2022-07-12 15:13:43,553 INFO L226 Difference]: Without dead ends: 16410 [2022-07-12 15:13:43,565 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 [2022-07-12 15:13:43,565 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 687 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:43,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 15:13:43,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16410 states. [2022-07-12 15:13:44,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16410 to 16350. [2022-07-12 15:13:44,119 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) [2022-07-12 15:13:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16350 states to 16350 states and 22848 transitions. [2022-07-12 15:13:44,170 INFO L78 Accepts]: Start accepts. Automaton has 16350 states and 22848 transitions. Word has length 181 [2022-07-12 15:13:44,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:44,171 INFO L495 AbstractCegarLoop]: Abstraction has 16350 states and 22848 transitions. [2022-07-12 15:13:44,171 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) [2022-07-12 15:13:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 16350 states and 22848 transitions. [2022-07-12 15:13:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-12 15:13:44,174 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:44,174 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] [2022-07-12 15:13:44,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 15:13:44,174 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:13:44,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:44,175 INFO L85 PathProgramCache]: Analyzing trace with hash -599659776, now seen corresponding path program 1 times [2022-07-12 15:13:44,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:44,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623782216] [2022-07-12 15:13:44,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:44,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:13:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:13:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:13:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:13:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:13:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:13:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:13:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:13:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:13:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 15:13:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 15:13:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:13:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2022-07-12 15:13:44,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:44,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623782216] [2022-07-12 15:13:44,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623782216] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:44,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:44,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:13:44,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480679883] [2022-07-12 15:13:44,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:44,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:13:44,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:44,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:13:44,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:13:44,399 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) [2022-07-12 15:13:46,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:13:48,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:48,407 INFO L93 Difference]: Finished difference Result 16416 states and 22950 transitions. [2022-07-12 15:13:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:13:48,408 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 [2022-07-12 15:13:48,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:48,466 INFO L225 Difference]: With dead ends: 16416 [2022-07-12 15:13:48,466 INFO L226 Difference]: Without dead ends: 16414 [2022-07-12 15:13:48,472 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 [2022-07-12 15:13:48,473 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 686 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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 [2022-07-12 15:13:48,473 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] [2022-07-12 15:13:48,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16414 states. [2022-07-12 15:13:49,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16414 to 16354. [2022-07-12 15:13:49,040 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) [2022-07-12 15:13:49,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16354 states to 16354 states and 22851 transitions. [2022-07-12 15:13:49,087 INFO L78 Accepts]: Start accepts. Automaton has 16354 states and 22851 transitions. Word has length 186 [2022-07-12 15:13:49,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:49,088 INFO L495 AbstractCegarLoop]: Abstraction has 16354 states and 22851 transitions. [2022-07-12 15:13:49,088 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) [2022-07-12 15:13:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 16354 states and 22851 transitions. [2022-07-12 15:13:49,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-12 15:13:49,092 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:49,092 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] [2022-07-12 15:13:49,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 15:13:49,092 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:13:49,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:49,093 INFO L85 PathProgramCache]: Analyzing trace with hash 797521483, now seen corresponding path program 1 times [2022-07-12 15:13:49,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:49,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703982255] [2022-07-12 15:13:49,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:49,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:13:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:13:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:13:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:13:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:13:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:13:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:13:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:13:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:13:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 15:13:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 15:13:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:13:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 15:13:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2022-07-12 15:13:49,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:49,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703982255] [2022-07-12 15:13:49,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703982255] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:49,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:49,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:13:49,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143342535] [2022-07-12 15:13:49,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:49,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:13:49,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:49,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:13:49,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:13:49,326 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) [2022-07-12 15:13:51,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:13:53,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:53,485 INFO L93 Difference]: Finished difference Result 16420 states and 22953 transitions. [2022-07-12 15:13:53,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:13:53,486 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 [2022-07-12 15:13:53,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:53,535 INFO L225 Difference]: With dead ends: 16420 [2022-07-12 15:13:53,535 INFO L226 Difference]: Without dead ends: 16418 [2022-07-12 15:13:53,544 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 [2022-07-12 15:13:53,545 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 685 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:53,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 15:13:53,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16418 states. [2022-07-12 15:13:54,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16418 to 16358. [2022-07-12 15:13:54,086 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) [2022-07-12 15:13:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16358 states to 16358 states and 22854 transitions. [2022-07-12 15:13:54,231 INFO L78 Accepts]: Start accepts. Automaton has 16358 states and 22854 transitions. Word has length 191 [2022-07-12 15:13:54,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:54,232 INFO L495 AbstractCegarLoop]: Abstraction has 16358 states and 22854 transitions. [2022-07-12 15:13:54,232 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) [2022-07-12 15:13:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 16358 states and 22854 transitions. [2022-07-12 15:13:54,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-12 15:13:54,235 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:54,235 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] [2022-07-12 15:13:54,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 15:13:54,235 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:13:54,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:54,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1278302624, now seen corresponding path program 1 times [2022-07-12 15:13:54,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:54,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659567746] [2022-07-12 15:13:54,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:54,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:13:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:13:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:13:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:13:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:13:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:13:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:13:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:13:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:13:54,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 15:13:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 15:13:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:13:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 15:13:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 15:13:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2022-07-12 15:13:54,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:54,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659567746] [2022-07-12 15:13:54,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659567746] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:54,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:54,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:13:54,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121554863] [2022-07-12 15:13:54,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:54,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:13:54,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:54,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:13:54,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:13:54,484 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) [2022-07-12 15:13:57,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:13:58,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:58,636 INFO L93 Difference]: Finished difference Result 16424 states and 22956 transitions. [2022-07-12 15:13:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:13:58,637 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 [2022-07-12 15:13:58,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:58,686 INFO L225 Difference]: With dead ends: 16424 [2022-07-12 15:13:58,686 INFO L226 Difference]: Without dead ends: 16422 [2022-07-12 15:13:58,696 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 [2022-07-12 15:13:58,697 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 684 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:58,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [684 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-12 15:13:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16422 states. [2022-07-12 15:13:59,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16422 to 16362. [2022-07-12 15:13:59,305 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) [2022-07-12 15:13:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16362 states to 16362 states and 22857 transitions. [2022-07-12 15:13:59,352 INFO L78 Accepts]: Start accepts. Automaton has 16362 states and 22857 transitions. Word has length 196 [2022-07-12 15:13:59,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:59,353 INFO L495 AbstractCegarLoop]: Abstraction has 16362 states and 22857 transitions. [2022-07-12 15:13:59,353 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) [2022-07-12 15:13:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 16362 states and 22857 transitions. [2022-07-12 15:13:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-12 15:13:59,356 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:59,356 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] [2022-07-12 15:13:59,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 15:13:59,357 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:13:59,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:59,357 INFO L85 PathProgramCache]: Analyzing trace with hash 592452395, now seen corresponding path program 1 times [2022-07-12 15:13:59,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:13:59,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733654945] [2022-07-12 15:13:59,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:59,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:13:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:13:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:13:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:13:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:13:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:13:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:13:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:13:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:13:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:13:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:13:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:13:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:13:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:13:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:13:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:13:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:13:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:13:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:13:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 15:13:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 15:13:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:13:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 15:13:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 15:13:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 15:13:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:59,677 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-07-12 15:13:59,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:13:59,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733654945] [2022-07-12 15:13:59,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733654945] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:59,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:59,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:13:59,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991745104] [2022-07-12 15:13:59,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:59,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:13:59,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:13:59,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:13:59,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:13:59,680 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) [2022-07-12 15:14:02,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:14:04,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:14:04,491 INFO L93 Difference]: Finished difference Result 19330 states and 26615 transitions. [2022-07-12 15:14:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:14:04,491 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 [2022-07-12 15:14:04,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:14:04,557 INFO L225 Difference]: With dead ends: 19330 [2022-07-12 15:14:04,557 INFO L226 Difference]: Without dead ends: 19328 [2022-07-12 15:14:04,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:14:04,571 INFO L413 NwaCegarLoop]: 1821 mSDtfsCounter, 1271 mSDsluCounter, 3302 mSDsCounter, 0 mSdLazyCounter, 2813 mSolverCounterSat, 678 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:14:04,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1476 Valid, 5123 Invalid, 3492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 2813 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-07-12 15:14:04,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19328 states. [2022-07-12 15:14:05,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19328 to 19231. [2022-07-12 15:14:05,324 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) [2022-07-12 15:14:05,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19231 states to 19231 states and 26487 transitions. [2022-07-12 15:14:05,382 INFO L78 Accepts]: Start accepts. Automaton has 19231 states and 26487 transitions. Word has length 201 [2022-07-12 15:14:05,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:14:05,382 INFO L495 AbstractCegarLoop]: Abstraction has 19231 states and 26487 transitions. [2022-07-12 15:14:05,383 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) [2022-07-12 15:14:05,383 INFO L276 IsEmpty]: Start isEmpty. Operand 19231 states and 26487 transitions. [2022-07-12 15:14:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-12 15:14:05,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:14:05,387 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] [2022-07-12 15:14:05,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 15:14:05,387 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:14:05,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:14:05,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1401991232, now seen corresponding path program 1 times [2022-07-12 15:14:05,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:14:05,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531735517] [2022-07-12 15:14:05,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:14:05,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:14:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:14:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:14:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:14:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:14:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:14:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:14:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:14:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:14:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:14:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:14:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:14:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:14:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:14:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:14:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:14:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:14:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:14:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 15:14:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 15:14:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:14:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 15:14:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 15:14:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 15:14:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:14:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,753 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2022-07-12 15:14:05,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:14:05,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531735517] [2022-07-12 15:14:05,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531735517] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:14:05,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:14:05,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:14:05,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125611629] [2022-07-12 15:14:05,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:14:05,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:14:05,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:14:05,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:14:05,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:14:05,757 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) [2022-07-12 15:14:08,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:14:09,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:14:09,985 INFO L93 Difference]: Finished difference Result 19309 states and 26595 transitions. [2022-07-12 15:14:09,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:14:09,986 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 [2022-07-12 15:14:09,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:14:10,050 INFO L225 Difference]: With dead ends: 19309 [2022-07-12 15:14:10,050 INFO L226 Difference]: Without dead ends: 19307 [2022-07-12 15:14:10,064 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 [2022-07-12 15:14:10,065 INFO L413 NwaCegarLoop]: 1677 mSDtfsCounter, 1596 mSDsluCounter, 2904 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 682 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:14:10,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 4581 Invalid, 2523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [682 Valid, 1840 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-12 15:14:10,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19307 states. [2022-07-12 15:14:10,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19307 to 19235. [2022-07-12 15:14:10,786 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) [2022-07-12 15:14:10,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19235 states to 19235 states and 26490 transitions. [2022-07-12 15:14:10,847 INFO L78 Accepts]: Start accepts. Automaton has 19235 states and 26490 transitions. Word has length 206 [2022-07-12 15:14:10,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:14:10,848 INFO L495 AbstractCegarLoop]: Abstraction has 19235 states and 26490 transitions. [2022-07-12 15:14:10,848 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) [2022-07-12 15:14:10,848 INFO L276 IsEmpty]: Start isEmpty. Operand 19235 states and 26490 transitions. [2022-07-12 15:14:10,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-07-12 15:14:10,852 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:14:10,852 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] [2022-07-12 15:14:10,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 15:14:10,852 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)] === [2022-07-12 15:14:10,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:14:10,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1520994585, now seen corresponding path program 1 times [2022-07-12 15:14:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:14:10,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574520005] [2022-07-12 15:14:10,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:14:10,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:14:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:14:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:11,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:14:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:14:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:14:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:14:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:14:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:14:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:14:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:14:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:14:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:14:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:14:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:14:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:14:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:14:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 15:14:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 15:14:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 15:14:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 15:14:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:14:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:14:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-12 15:14:11,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:14:11,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574520005] [2022-07-12 15:14:11,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574520005] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:14:11,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:14:11,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:14:11,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458941106] [2022-07-12 15:14:11,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:14:11,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:14:11,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:14:11,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:14:11,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:14:11,129 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) [2022-07-12 15:14:13,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:14:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:14:15,587 INFO L93 Difference]: Finished difference Result 42030 states and 57830 transitions. [2022-07-12 15:14:15,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:14:15,588 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 [2022-07-12 15:14:15,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:14:15,669 INFO L225 Difference]: With dead ends: 42030 [2022-07-12 15:14:15,669 INFO L226 Difference]: Without dead ends: 22884 [2022-07-12 15:14:15,736 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 [2022-07-12 15:14:15,736 INFO L413 NwaCegarLoop]: 2199 mSDtfsCounter, 755 mSDsluCounter, 2015 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 538 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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 [2022-07-12 15:14:15,737 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] [2022-07-12 15:14:15,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22884 states. [2022-07-12 15:14:16,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22884 to 22623. [2022-07-12 15:14:16,718 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) [2022-07-12 15:14:16,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22623 states to 22623 states and 30967 transitions. [2022-07-12 15:14:16,800 INFO L78 Accepts]: Start accepts. Automaton has 22623 states and 30967 transitions. Word has length 207 [2022-07-12 15:14:16,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:14:16,801 INFO L495 AbstractCegarLoop]: Abstraction has 22623 states and 30967 transitions. [2022-07-12 15:14:16,801 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) [2022-07-12 15:14:16,801 INFO L276 IsEmpty]: Start isEmpty. Operand 22623 states and 30967 transitions. [2022-07-12 15:14:16,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-12 15:14:16,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:14:16,804 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] [2022-07-12 15:14:16,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 15:14:16,804 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:14:16,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:14:16,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1319626741, now seen corresponding path program 1 times [2022-07-12 15:14:16,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:14:16,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899689725] [2022-07-12 15:14:16,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:14:16,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:14:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:14:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:14:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:14:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:14:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:14:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:14:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:14:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:14:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:14:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:14:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:14:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:14:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:14:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:14:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 15:14:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 15:14:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:14:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 15:14:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 15:14:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 15:14:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 15:14:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 15:14:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-12 15:14:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:14:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 15:14:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2022-07-12 15:14:17,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:14:17,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899689725] [2022-07-12 15:14:17,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899689725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:14:17,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:14:17,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:14:17,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750120624] [2022-07-12 15:14:17,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:14:17,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:14:17,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:14:17,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:14:17,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:14:17,059 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) [2022-07-12 15:14:19,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:14:21,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:14:21,533 INFO L93 Difference]: Finished difference Result 22701 states and 31081 transitions. [2022-07-12 15:14:21,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:14:21,533 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 [2022-07-12 15:14:21,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:14:21,594 INFO L225 Difference]: With dead ends: 22701 [2022-07-12 15:14:21,594 INFO L226 Difference]: Without dead ends: 22697 [2022-07-12 15:14:21,606 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 [2022-07-12 15:14:21,606 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 [2022-07-12 15:14:21,607 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] [2022-07-12 15:14:21,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22697 states. [2022-07-12 15:14:22,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22697 to 22625. [2022-07-12 15:14:22,489 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) [2022-07-12 15:14:22,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22625 states to 22625 states and 30968 transitions. [2022-07-12 15:14:22,548 INFO L78 Accepts]: Start accepts. Automaton has 22625 states and 30968 transitions. Word has length 211 [2022-07-12 15:14:22,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:14:22,548 INFO L495 AbstractCegarLoop]: Abstraction has 22625 states and 30968 transitions. [2022-07-12 15:14:22,549 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) [2022-07-12 15:14:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 22625 states and 30968 transitions. [2022-07-12 15:14:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-12 15:14:22,551 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:14:22,551 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] [2022-07-12 15:14:22,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 15:14:22,551 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:14:22,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:14:22,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1578147651, now seen corresponding path program 1 times [2022-07-12 15:14:22,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:14:22,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312583029] [2022-07-12 15:14:22,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:14:22,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:14:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:14:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:14:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:14:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:14:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:14:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:14:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:14:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:14:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:14:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:14:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:14:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 15:14:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 15:14:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 15:14:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 15:14:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 15:14:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 15:14:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 15:14:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 15:14:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:14:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 15:14:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 15:14:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 15:14:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-12 15:14:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 15:14:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 15:14:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 15:14:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-12 15:14:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 15:14:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-12 15:14:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 15:14:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2022-07-12 15:14:22,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:14:22,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312583029] [2022-07-12 15:14:22,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312583029] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:14:22,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:14:22,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 15:14:22,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608437556] [2022-07-12 15:14:22,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:14:22,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 15:14:22,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:14:22,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 15:14:22,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:14:22,819 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) [2022-07-12 15:14:25,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:14:27,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:14:27,796 INFO L93 Difference]: Finished difference Result 22859 states and 31365 transitions. [2022-07-12 15:14:27,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 15:14:27,796 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 [2022-07-12 15:14:27,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:14:27,848 INFO L225 Difference]: With dead ends: 22859 [2022-07-12 15:14:27,849 INFO L226 Difference]: Without dead ends: 22539 [2022-07-12 15:14:27,858 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 [2022-07-12 15:14:27,859 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, 4.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:14:27,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 5129 Invalid, 3639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1227 Valid, 2411 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-07-12 15:14:27,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22539 states. [2022-07-12 15:14:28,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22539 to 22305. [2022-07-12 15:14:28,669 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) [2022-07-12 15:14:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22305 states to 22305 states and 30509 transitions. [2022-07-12 15:14:28,890 INFO L78 Accepts]: Start accepts. Automaton has 22305 states and 30509 transitions. Word has length 255 [2022-07-12 15:14:28,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:14:28,891 INFO L495 AbstractCegarLoop]: Abstraction has 22305 states and 30509 transitions. [2022-07-12 15:14:28,891 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) [2022-07-12 15:14:28,891 INFO L276 IsEmpty]: Start isEmpty. Operand 22305 states and 30509 transitions. [2022-07-12 15:14:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-12 15:14:28,895 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:14:28,895 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] [2022-07-12 15:14:28,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 15:14:28,895 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)] === [2022-07-12 15:14:28,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:14:28,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1491207294, now seen corresponding path program 1 times [2022-07-12 15:14:28,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:14:28,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360185191] [2022-07-12 15:14:28,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:14:28,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:14:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:14:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:14:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:14:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:14:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:14:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:14:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:14:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:14:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:14:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:14:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:14:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:14:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:14:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:14:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:14:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:14:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:14:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:14:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:14:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:14:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 15:14:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 15:14:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:14:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-12 15:14:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-12 15:14:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 15:14:29,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:29,158 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-07-12 15:14:29,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:14:29,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360185191] [2022-07-12 15:14:29,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360185191] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:14:29,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:14:29,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:14:29,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137463191] [2022-07-12 15:14:29,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:14:29,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:14:29,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:14:29,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:14:29,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:14:29,160 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) [2022-07-12 15:14:31,767 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 [] [2022-07-12 15:14:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:14:33,654 INFO L93 Difference]: Finished difference Result 47879 states and 65480 transitions. [2022-07-12 15:14:33,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:14:33,654 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 [2022-07-12 15:14:33,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:14:33,741 INFO L225 Difference]: With dead ends: 47879 [2022-07-12 15:14:33,741 INFO L226 Difference]: Without dead ends: 25591 [2022-07-12 15:14:33,795 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 [2022-07-12 15:14:33,796 INFO L413 NwaCegarLoop]: 2143 mSDtfsCounter, 726 mSDsluCounter, 2005 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 461 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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 [2022-07-12 15:14:33,796 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] [2022-07-12 15:14:33,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25591 states. [2022-07-12 15:14:34,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25591 to 25379. [2022-07-12 15:14:34,800 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) [2022-07-12 15:14:34,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25379 states to 25379 states and 34597 transitions. [2022-07-12 15:14:34,872 INFO L78 Accepts]: Start accepts. Automaton has 25379 states and 34597 transitions. Word has length 258 [2022-07-12 15:14:34,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:14:34,872 INFO L495 AbstractCegarLoop]: Abstraction has 25379 states and 34597 transitions. [2022-07-12 15:14:34,873 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) [2022-07-12 15:14:34,873 INFO L276 IsEmpty]: Start isEmpty. Operand 25379 states and 34597 transitions. [2022-07-12 15:14:34,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-12 15:14:34,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:14:34,876 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] [2022-07-12 15:14:34,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 15:14:34,876 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:14:34,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:14:34,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1908603900, now seen corresponding path program 1 times [2022-07-12 15:14:34,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:14:34,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682115731] [2022-07-12 15:14:34,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:14:34,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:14:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:34,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:14:35,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:14:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:14:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:14:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:14:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:14:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:14:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:14:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:14:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:14:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:14:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:14:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:14:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:14:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:14:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:14:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:14:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:14:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:14:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:14:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 15:14:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 15:14:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:14:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-12 15:14:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-12 15:14:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-12 15:14:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-07-12 15:14:35,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:14:35,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682115731] [2022-07-12 15:14:35,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682115731] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:14:35,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:14:35,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:14:35,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185683701] [2022-07-12 15:14:35,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:14:35,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:14:35,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:14:35,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:14:35,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:14:35,089 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) [2022-07-12 15:14:37,593 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 [] [2022-07-12 15:14:39,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:14:39,924 INFO L93 Difference]: Finished difference Result 54445 states and 74163 transitions. [2022-07-12 15:14:39,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:14:39,925 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 [2022-07-12 15:14:39,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:14:40,030 INFO L225 Difference]: With dead ends: 54445 [2022-07-12 15:14:40,030 INFO L226 Difference]: Without dead ends: 29155 [2022-07-12 15:14:40,101 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 [2022-07-12 15:14:40,102 INFO L413 NwaCegarLoop]: 2218 mSDtfsCounter, 944 mSDsluCounter, 1988 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 503 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:14:40,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1130 Valid, 4206 Invalid, 1810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1306 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-12 15:14:40,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29155 states. [2022-07-12 15:14:41,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29155 to 28911. [2022-07-12 15:14:41,277 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) [2022-07-12 15:14:41,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28911 states to 28911 states and 39200 transitions. [2022-07-12 15:14:41,370 INFO L78 Accepts]: Start accepts. Automaton has 28911 states and 39200 transitions. Word has length 258 [2022-07-12 15:14:41,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:14:41,370 INFO L495 AbstractCegarLoop]: Abstraction has 28911 states and 39200 transitions. [2022-07-12 15:14:41,370 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) [2022-07-12 15:14:41,370 INFO L276 IsEmpty]: Start isEmpty. Operand 28911 states and 39200 transitions. [2022-07-12 15:14:41,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-07-12 15:14:41,375 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:14:41,375 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] [2022-07-12 15:14:41,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-12 15:14:41,376 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:14:41,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:14:41,376 INFO L85 PathProgramCache]: Analyzing trace with hash 791268321, now seen corresponding path program 1 times [2022-07-12 15:14:41,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:14:41,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82436797] [2022-07-12 15:14:41,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:14:41,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:14:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:14:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:14:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:14:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:14:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:14:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:14:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:14:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:14:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:14:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:14:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:14:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:14:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:14:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:14:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:14:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:14:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:14:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:14:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:14:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:14:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:14:41,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:14:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:14:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:14:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 15:14:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 15:14:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:14:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-12 15:14:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 15:14:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 15:14:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-12 15:14:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:14:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 15:14:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2022-07-12 15:14:41,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:14:41,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82436797] [2022-07-12 15:14:41,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82436797] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:14:41,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:14:41,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:14:41,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187751520] [2022-07-12 15:14:41,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:14:41,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:14:41,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:14:41,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:14:41,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:14:41,613 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) [2022-07-12 15:14:43,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:14:46,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:14:46,391 INFO L93 Difference]: Finished difference Result 61091 states and 82882 transitions. [2022-07-12 15:14:46,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:14:46,394 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 [2022-07-12 15:14:46,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:14:46,496 INFO L225 Difference]: With dead ends: 61091 [2022-07-12 15:14:46,496 INFO L226 Difference]: Without dead ends: 32283 [2022-07-12 15:14:46,563 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 [2022-07-12 15:14:46,564 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, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:14:46,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 3794 Invalid, 1761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 1254 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 15:14:46,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32283 states. [2022-07-12 15:14:47,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32283 to 32069. [2022-07-12 15:14:47,873 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) [2022-07-12 15:14:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32069 states to 32069 states and 43393 transitions. [2022-07-12 15:14:47,976 INFO L78 Accepts]: Start accepts. Automaton has 32069 states and 43393 transitions. Word has length 339 [2022-07-12 15:14:47,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:14:47,976 INFO L495 AbstractCegarLoop]: Abstraction has 32069 states and 43393 transitions. [2022-07-12 15:14:47,977 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) [2022-07-12 15:14:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 32069 states and 43393 transitions. [2022-07-12 15:14:47,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-07-12 15:14:47,982 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:14:47,982 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] [2022-07-12 15:14:47,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-12 15:14:47,982 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)] === [2022-07-12 15:14:47,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:14:47,983 INFO L85 PathProgramCache]: Analyzing trace with hash 373871715, now seen corresponding path program 1 times [2022-07-12 15:14:47,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:14:47,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618673995] [2022-07-12 15:14:47,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:14:47,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:14:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:14:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:14:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:14:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:14:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:14:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:14:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:14:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:14:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:14:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:14:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:14:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:14:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:14:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:14:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:14:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:14:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:14:48,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:14:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:14:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:14:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:14:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:14:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:14:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:14:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 15:14:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 15:14:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:14:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-12 15:14:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 15:14:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 15:14:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-12 15:14:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 15:14:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 15:14:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:48,239 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2022-07-12 15:14:48,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:14:48,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618673995] [2022-07-12 15:14:48,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618673995] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:14:48,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:14:48,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:14:48,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513025420] [2022-07-12 15:14:48,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:14:48,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 15:14:48,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:14:48,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 15:14:48,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 15:14:48,241 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) [2022-07-12 15:14:50,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:14:53,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:14:53,327 INFO L93 Difference]: Finished difference Result 67551 states and 91454 transitions. [2022-07-12 15:14:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:14:53,328 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 [2022-07-12 15:14:53,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:14:53,444 INFO L225 Difference]: With dead ends: 67551 [2022-07-12 15:14:53,445 INFO L226 Difference]: Without dead ends: 35585 [2022-07-12 15:14:53,525 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 [2022-07-12 15:14:53,526 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, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:14:53,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 4203 Invalid, 1716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 1262 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 15:14:53,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35585 states. [2022-07-12 15:14:55,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35585 to 35371. [2022-07-12 15:14:55,112 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) [2022-07-12 15:14:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35371 states to 35371 states and 47754 transitions. [2022-07-12 15:14:55,206 INFO L78 Accepts]: Start accepts. Automaton has 35371 states and 47754 transitions. Word has length 339 [2022-07-12 15:14:55,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:14:55,206 INFO L495 AbstractCegarLoop]: Abstraction has 35371 states and 47754 transitions. [2022-07-12 15:14:55,206 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) [2022-07-12 15:14:55,207 INFO L276 IsEmpty]: Start isEmpty. Operand 35371 states and 47754 transitions. [2022-07-12 15:14:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-12 15:14:55,213 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:14:55,213 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] [2022-07-12 15:14:55,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-12 15:14:55,213 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)] === [2022-07-12 15:14:55,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:14:55,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1441185952, now seen corresponding path program 1 times [2022-07-12 15:14:55,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:14:55,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686751504] [2022-07-12 15:14:55,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:14:55,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:14:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:14:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:14:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:14:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:14:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:14:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:14:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:14:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:14:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:14:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:14:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:14:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:14:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:14:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:14:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:14:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:14:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:14:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:14:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:14:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:14:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:14:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:14:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:14:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:14:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 15:14:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 15:14:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:14:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 15:14:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 15:14:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 15:14:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 15:14:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 15:14:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-12 15:14:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-12 15:14:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:14:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-12 15:14:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-12 15:14:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2022-07-12 15:14:55,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:14:55,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686751504] [2022-07-12 15:14:55,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686751504] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:14:55,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:14:55,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:14:55,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151875791] [2022-07-12 15:14:55,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:14:55,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:14:55,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:14:55,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:14:55,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:14:55,523 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) [2022-07-12 15:14:57,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:15:00,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:00,735 INFO L93 Difference]: Finished difference Result 35500 states and 47941 transitions. [2022-07-12 15:15:00,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:15:00,735 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 [2022-07-12 15:15:00,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:00,951 INFO L225 Difference]: With dead ends: 35500 [2022-07-12 15:15:00,951 INFO L226 Difference]: Without dead ends: 35498 [2022-07-12 15:15:00,963 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 [2022-07-12 15:15:00,964 INFO L413 NwaCegarLoop]: 1781 mSDtfsCounter, 1188 mSDsluCounter, 3279 mSDsCounter, 0 mSdLazyCounter, 2719 mSolverCounterSat, 624 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s 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, 4.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:15:00,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1373 Valid, 5060 Invalid, 3344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [624 Valid, 2719 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-07-12 15:15:00,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35498 states. [2022-07-12 15:15:02,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35498 to 35371. [2022-07-12 15:15:02,330 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) [2022-07-12 15:15:02,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35371 states to 35371 states and 47685 transitions. [2022-07-12 15:15:02,457 INFO L78 Accepts]: Start accepts. Automaton has 35371 states and 47685 transitions. Word has length 378 [2022-07-12 15:15:02,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:02,458 INFO L495 AbstractCegarLoop]: Abstraction has 35371 states and 47685 transitions. [2022-07-12 15:15:02,458 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) [2022-07-12 15:15:02,458 INFO L276 IsEmpty]: Start isEmpty. Operand 35371 states and 47685 transitions. [2022-07-12 15:15:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2022-07-12 15:15:02,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:02,481 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] [2022-07-12 15:15:02,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-12 15:15:02,481 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)] === [2022-07-12 15:15:02,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:02,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1578447566, now seen corresponding path program 1 times [2022-07-12 15:15:02,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:15:02,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196648632] [2022-07-12 15:15:02,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:02,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:15:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:15:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:15:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:15:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:15:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:15:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:15:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:15:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:15:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:15:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:15:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:15:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:15:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:15:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:15:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:15:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:15:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:15:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:15:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:15:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:15:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:15:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:15:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:15:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 15:15:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 15:15:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-12 15:15:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 15:15:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 15:15:02,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-12 15:15:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-12 15:15:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-12 15:15:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-12 15:15:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-12 15:15:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-12 15:15:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 15:15:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-12 15:15:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-12 15:15:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-12 15:15:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 15:15:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-12 15:15:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 15:15:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-12 15:15:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 15:15:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-12 15:15:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-12 15:15:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-12 15:15:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-12 15:15:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-12 15:15:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-12 15:15:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-12 15:15:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-12 15:15:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 15:15:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-12 15:15:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-12 15:15:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-12 15:15:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:02,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1448 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1434 trivial. 0 not checked. [2022-07-12 15:15:02,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:15:02,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196648632] [2022-07-12 15:15:02,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196648632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:02,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:15:02,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 15:15:02,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515346288] [2022-07-12 15:15:02,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:02,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 15:15:02,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:15:02,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 15:15:02,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 15:15:02,948 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) [2022-07-12 15:15:05,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:15:07,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:15:10,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:15:12,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:15:16,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:16,053 INFO L93 Difference]: Finished difference Result 105003 states and 144776 transitions. [2022-07-12 15:15:16,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 15:15:16,054 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 [2022-07-12 15:15:16,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:16,328 INFO L225 Difference]: With dead ends: 105003 [2022-07-12 15:15:16,329 INFO L226 Difference]: Without dead ends: 69735 [2022-07-12 15:15:16,411 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 [2022-07-12 15:15:16,412 INFO L413 NwaCegarLoop]: 2362 mSDtfsCounter, 2159 mSDsluCounter, 4934 mSDsCounter, 0 mSdLazyCounter, 3090 mSolverCounterSat, 1047 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s 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, 10.8s IncrementalHoareTripleChecker+Time [2022-07-12 15:15:16,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 7296 Invalid, 4141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1047 Valid, 3090 Invalid, 4 Unknown, 0 Unchecked, 10.8s Time] [2022-07-12 15:15:16,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69735 states. [2022-07-12 15:15:18,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69735 to 34081. [2022-07-12 15:15:18,408 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) [2022-07-12 15:15:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34081 states to 34081 states and 45717 transitions. [2022-07-12 15:15:18,520 INFO L78 Accepts]: Start accepts. Automaton has 34081 states and 45717 transitions. Word has length 525 [2022-07-12 15:15:18,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:18,520 INFO L495 AbstractCegarLoop]: Abstraction has 34081 states and 45717 transitions. [2022-07-12 15:15:18,520 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) [2022-07-12 15:15:18,520 INFO L276 IsEmpty]: Start isEmpty. Operand 34081 states and 45717 transitions. [2022-07-12 15:15:18,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2022-07-12 15:15:18,536 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:18,537 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] [2022-07-12 15:15:18,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-12 15:15:18,537 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)] === [2022-07-12 15:15:18,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:18,538 INFO L85 PathProgramCache]: Analyzing trace with hash -758479427, now seen corresponding path program 1 times [2022-07-12 15:15:18,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:15:18,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20606403] [2022-07-12 15:15:18,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:18,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:15:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:15:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:15:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:15:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:15:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:15:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:15:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:15:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:15:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:15:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:15:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:15:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:15:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:15:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:15:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:15:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:15:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:15:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:15:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:15:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:15:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:15:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:15:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:15:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 15:15:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 15:15:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:15:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 15:15:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 15:15:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 15:15:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 15:15:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 15:15:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-12 15:15:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-12 15:15:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-12 15:15:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-12 15:15:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 15:15:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 15:15:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-12 15:15:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 15:15:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:15:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 15:15:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 15:15:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 15:15:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:15:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 15:15:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 15:15:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 15:15:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 15:15:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:15:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-12 15:15:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-12 15:15:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-12 15:15:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 15:15:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-12 15:15:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-12 15:15:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-12 15:15:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2022-07-12 15:15:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 4646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4646 trivial. 0 not checked. [2022-07-12 15:15:19,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:15:19,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20606403] [2022-07-12 15:15:19,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20606403] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:19,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:15:19,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 15:15:19,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190590687] [2022-07-12 15:15:19,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:19,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 15:15:19,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:15:19,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 15:15:19,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:15:19,720 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) [2022-07-12 15:15:22,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:15:26,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:26,200 INFO L93 Difference]: Finished difference Result 69264 states and 93527 transitions. [2022-07-12 15:15:26,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 15:15:26,200 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 [2022-07-12 15:15:26,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:26,318 INFO L225 Difference]: With dead ends: 69264 [2022-07-12 15:15:26,318 INFO L226 Difference]: Without dead ends: 35286 [2022-07-12 15:15:26,420 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 [2022-07-12 15:15:26,421 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1214 mSDsluCounter, 2910 mSDsCounter, 0 mSdLazyCounter, 2206 mSolverCounterSat, 1745 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:15:26,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1244 Valid, 4484 Invalid, 3952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1745 Valid, 2206 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-07-12 15:15:26,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35286 states. [2022-07-12 15:15:28,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35286 to 34105. [2022-07-12 15:15:28,228 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) [2022-07-12 15:15:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34105 states to 34105 states and 45741 transitions. [2022-07-12 15:15:28,327 INFO L78 Accepts]: Start accepts. Automaton has 34105 states and 45741 transitions. Word has length 869 [2022-07-12 15:15:28,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:28,328 INFO L495 AbstractCegarLoop]: Abstraction has 34105 states and 45741 transitions. [2022-07-12 15:15:28,328 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) [2022-07-12 15:15:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand 34105 states and 45741 transitions. [2022-07-12 15:15:28,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2022-07-12 15:15:28,346 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:28,347 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] [2022-07-12 15:15:28,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-12 15:15:28,347 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)] === [2022-07-12 15:15:28,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:28,347 INFO L85 PathProgramCache]: Analyzing trace with hash 553442459, now seen corresponding path program 1 times [2022-07-12 15:15:28,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:15:28,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286252920] [2022-07-12 15:15:28,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:28,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:15:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:15:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:15:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:15:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:15:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:15:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:15:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:15:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:15:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:15:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:15:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:15:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:15:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:15:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:15:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:15:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:15:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:15:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:15:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:15:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:15:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:15:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:15:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:15:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 15:15:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 15:15:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-12 15:15:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 15:15:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-12 15:15:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:15:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 15:15:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 15:15:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 15:15:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-12 15:15:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 15:15:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-12 15:15:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 15:15:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-12 15:15:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 15:15:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:15:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 15:15:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-12 15:15:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 15:15:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-12 15:15:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:15:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-12 15:15:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:15:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:15:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-12 15:15:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-12 15:15:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-12 15:15:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-12 15:15:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-12 15:15:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-12 15:15:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-12 15:15:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-07-12 15:15:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-12 15:15:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 15:15:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-07-12 15:15:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-12 15:15:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-07-12 15:15:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1667 trivial. 0 not checked. [2022-07-12 15:15:28,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:15:28,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286252920] [2022-07-12 15:15:28,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286252920] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:28,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:15:28,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 15:15:28,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68643837] [2022-07-12 15:15:28,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:28,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 15:15:28,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:15:28,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 15:15:28,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:15:28,831 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) [2022-07-12 15:15:31,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:15:33,394 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 [] [2022-07-12 15:15:38,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:38,122 INFO L93 Difference]: Finished difference Result 69300 states and 93464 transitions. [2022-07-12 15:15:38,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 15:15:38,123 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 [2022-07-12 15:15:38,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:38,243 INFO L225 Difference]: With dead ends: 69300 [2022-07-12 15:15:38,243 INFO L226 Difference]: Without dead ends: 35298 [2022-07-12 15:15:38,343 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 [2022-07-12 15:15:38,344 INFO L413 NwaCegarLoop]: 1575 mSDtfsCounter, 1030 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 1369 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s 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, 7.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:15:38,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 4977 Invalid, 4178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1369 Valid, 2807 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-07-12 15:15:38,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35298 states. [2022-07-12 15:15:40,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35298 to 34213. [2022-07-12 15:15:40,092 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) [2022-07-12 15:15:40,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34213 states to 34213 states and 45903 transitions. [2022-07-12 15:15:40,183 INFO L78 Accepts]: Start accepts. Automaton has 34213 states and 45903 transitions. Word has length 612 [2022-07-12 15:15:40,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:40,183 INFO L495 AbstractCegarLoop]: Abstraction has 34213 states and 45903 transitions. [2022-07-12 15:15:40,183 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) [2022-07-12 15:15:40,183 INFO L276 IsEmpty]: Start isEmpty. Operand 34213 states and 45903 transitions. [2022-07-12 15:15:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2022-07-12 15:15:40,199 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:40,200 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] [2022-07-12 15:15:40,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-12 15:15:40,201 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)] === [2022-07-12 15:15:40,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:40,201 INFO L85 PathProgramCache]: Analyzing trace with hash 410012192, now seen corresponding path program 1 times [2022-07-12 15:15:40,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:15:40,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135795678] [2022-07-12 15:15:40,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:40,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:15:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:15:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:15:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:15:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:15:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:15:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:15:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:15:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:15:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:15:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:15:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:15:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:15:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:15:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:15:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:15:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:15:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:15:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:15:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:15:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:15:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:15:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:15:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:15:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 15:15:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 15:15:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:15:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 15:15:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 15:15:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 15:15:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 15:15:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 15:15:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-12 15:15:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-12 15:15:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-12 15:15:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-12 15:15:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 15:15:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 15:15:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-12 15:15:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 15:15:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:15:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 15:15:40,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 15:15:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 15:15:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:15:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 15:15:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 15:15:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 15:15:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 15:15:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:15:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-12 15:15:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-12 15:15:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-12 15:15:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 15:15:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 15:15:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 15:15:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-12 15:15:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:15:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:40,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-12 15:15:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:41,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:41,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:41,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2022-07-12 15:15:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5451 trivial. 0 not checked. [2022-07-12 15:15:41,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:15:41,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135795678] [2022-07-12 15:15:41,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135795678] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 15:15:41,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63773569] [2022-07-12 15:15:41,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:41,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 15:15:41,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:15:41,034 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) [2022-07-12 15:15:41,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 15:15:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:42,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 7135 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 15:15:42,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:15:42,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 902 proven. 1 refuted. 0 times theorem prover too weak. 4549 trivial. 0 not checked. [2022-07-12 15:15:42,286 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:15:43,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5451 trivial. 0 not checked. [2022-07-12 15:15:43,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63773569] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 15:15:43,214 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 15:15:43,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-07-12 15:15:43,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204597101] [2022-07-12 15:15:43,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 15:15:43,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 15:15:43,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:15:43,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 15:15:43,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-07-12 15:15:43,218 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) [2022-07-12 15:15:45,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:15:50,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:50,157 INFO L93 Difference]: Finished difference Result 69912 states and 94475 transitions. [2022-07-12 15:15:50,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 15:15:50,158 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 [2022-07-12 15:15:50,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:50,284 INFO L225 Difference]: With dead ends: 69912 [2022-07-12 15:15:50,284 INFO L226 Difference]: Without dead ends: 35802 [2022-07-12 15:15:50,515 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 [2022-07-12 15:15:50,516 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 [2022-07-12 15:15:50,516 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] [2022-07-12 15:15:50,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35802 states. [2022-07-12 15:15:52,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35802 to 34789. [2022-07-12 15:15:52,195 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) [2022-07-12 15:15:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34789 states to 34789 states and 46695 transitions. [2022-07-12 15:15:52,308 INFO L78 Accepts]: Start accepts. Automaton has 34789 states and 46695 transitions. Word has length 933 [2022-07-12 15:15:52,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:52,309 INFO L495 AbstractCegarLoop]: Abstraction has 34789 states and 46695 transitions. [2022-07-12 15:15:52,309 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) [2022-07-12 15:15:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 34789 states and 46695 transitions. [2022-07-12 15:15:52,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2022-07-12 15:15:52,326 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:52,327 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] [2022-07-12 15:15:52,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 15:15:52,527 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 [2022-07-12 15:15:52,528 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)] === [2022-07-12 15:15:52,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:52,528 INFO L85 PathProgramCache]: Analyzing trace with hash -810398502, now seen corresponding path program 1 times [2022-07-12 15:15:52,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:15:52,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312948518] [2022-07-12 15:15:52,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:52,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:15:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:15:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:15:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:15:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:15:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:15:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:15:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:15:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:15:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:15:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:15:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:15:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:15:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:15:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:15:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:15:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:15:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:15:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:15:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:15:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:15:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:15:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:15:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:15:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 15:15:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 15:15:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-12 15:15:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 15:15:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-12 15:15:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:15:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 15:15:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 15:15:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 15:15:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:15:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 15:15:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-12 15:15:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-07-12 15:15:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-12 15:15:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-12 15:15:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:52,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-12 15:15:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-12 15:15:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-12 15:15:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-12 15:15:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 15:15:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-12 15:15:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-07-12 15:15:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-12 15:15:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-12 15:15:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-12 15:15:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-12 15:15:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-12 15:15:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-12 15:15:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-12 15:15:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-12 15:15:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-12 15:15:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-12 15:15:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-12 15:15:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-12 15:15:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-07-12 15:15:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 15:15:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-07-12 15:15:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 634 [2022-07-12 15:15:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2022-07-12 15:15:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:53,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1769 trivial. 0 not checked. [2022-07-12 15:15:53,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:15:53,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312948518] [2022-07-12 15:15:53,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312948518] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 15:15:53,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646369170] [2022-07-12 15:15:53,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:53,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 15:15:53,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:15:53,120 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) [2022-07-12 15:15:53,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 15:15:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:54,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 6157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:15:54,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:15:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1784 backedges. 650 proven. 0 refuted. 0 times theorem prover too weak. 1134 trivial. 0 not checked. [2022-07-12 15:15:54,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:15:54,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646369170] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:54,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:15:54,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-07-12 15:15:54,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767552104] [2022-07-12 15:15:54,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:54,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:15:54,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:15:54,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:15:54,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 15:15:54,380 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) [2022-07-12 15:15:56,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:56,599 INFO L93 Difference]: Finished difference Result 82167 states and 111614 transitions. [2022-07-12 15:15:56,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:15:56,602 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 [2022-07-12 15:15:56,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:56,781 INFO L225 Difference]: With dead ends: 82167 [2022-07-12 15:15:56,781 INFO L226 Difference]: Without dead ends: 47481 [2022-07-12 15:15:56,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 835 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 15:15:56,880 INFO L413 NwaCegarLoop]: 2094 mSDtfsCounter, 432 mSDsluCounter, 1775 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 15:15:56,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 3869 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 15:15:56,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47481 states. [2022-07-12 15:15:58,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47481 to 34813. [2022-07-12 15:15:59,007 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) [2022-07-12 15:15:59,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34813 states to 34813 states and 46731 transitions. [2022-07-12 15:15:59,133 INFO L78 Accepts]: Start accepts. Automaton has 34813 states and 46731 transitions. Word has length 650 [2022-07-12 15:15:59,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:59,134 INFO L495 AbstractCegarLoop]: Abstraction has 34813 states and 46731 transitions. [2022-07-12 15:15:59,134 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) [2022-07-12 15:15:59,134 INFO L276 IsEmpty]: Start isEmpty. Operand 34813 states and 46731 transitions. [2022-07-12 15:15:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-07-12 15:15:59,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:59,152 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] [2022-07-12 15:15:59,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-12 15:15:59,360 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 [2022-07-12 15:15:59,360 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)] === [2022-07-12 15:15:59,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:59,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1017583322, now seen corresponding path program 1 times [2022-07-12 15:15:59,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:15:59,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268160630] [2022-07-12 15:15:59,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:59,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:15:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:15:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:15:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:15:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:15:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:15:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:15:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:15:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:15:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:15:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:15:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:15:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:15:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:15:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:15:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:15:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:15:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:15:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:15:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:15:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:15:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:15:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:15:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:15:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 15:15:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 15:15:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-12 15:15:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 15:15:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-12 15:15:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:15:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 15:15:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 15:15:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 15:15:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:15:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:15:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:15:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-12 15:15:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 15:15:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 15:15:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-12 15:15:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-12 15:15:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-12 15:15:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-12 15:15:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 15:15:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:15:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:15:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:15:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-07-12 15:15:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-07-12 15:15:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-12 15:15:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-12 15:15:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-12 15:15:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-12 15:15:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-12 15:15:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-12 15:15:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-12 15:15:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:15:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-07-12 15:15:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-07-12 15:15:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-07-12 15:15:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2022-07-12 15:15:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 15:15:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:15:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-07-12 15:15:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2022-07-12 15:15:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2022-07-12 15:15:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:59,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1769 trivial. 0 not checked. [2022-07-12 15:15:59,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:15:59,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268160630] [2022-07-12 15:15:59,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268160630] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:59,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:15:59,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 15:15:59,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697673324] [2022-07-12 15:15:59,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:59,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 15:15:59,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:15:59,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 15:15:59,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:15:59,975 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) [2022-07-12 15:16:02,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:16:04,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:16:06,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:16:11,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:16:11,153 INFO L93 Difference]: Finished difference Result 70620 states and 94994 transitions. [2022-07-12 15:16:11,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 15:16:11,153 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 [2022-07-12 15:16:11,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:16:11,373 INFO L225 Difference]: With dead ends: 70620 [2022-07-12 15:16:11,373 INFO L226 Difference]: Without dead ends: 35910 [2022-07-12 15:16:11,449 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 [2022-07-12 15:16:11,450 INFO L413 NwaCegarLoop]: 1574 mSDtfsCounter, 1016 mSDsluCounter, 3376 mSDsCounter, 0 mSdLazyCounter, 2825 mSolverCounterSat, 1353 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s 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, 9.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:16:11,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 4950 Invalid, 4181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1353 Valid, 2825 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2022-07-12 15:16:11,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35910 states. [2022-07-12 15:16:13,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35910 to 34837. [2022-07-12 15:16:13,329 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) [2022-07-12 15:16:13,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34837 states to 34837 states and 46755 transitions. [2022-07-12 15:16:13,453 INFO L78 Accepts]: Start accepts. Automaton has 34837 states and 46755 transitions. Word has length 644 [2022-07-12 15:16:13,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:16:13,454 INFO L495 AbstractCegarLoop]: Abstraction has 34837 states and 46755 transitions. [2022-07-12 15:16:13,454 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) [2022-07-12 15:16:13,454 INFO L276 IsEmpty]: Start isEmpty. Operand 34837 states and 46755 transitions. [2022-07-12 15:16:13,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2022-07-12 15:16:13,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:16:13,473 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] [2022-07-12 15:16:13,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-12 15:16:13,474 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)] === [2022-07-12 15:16:13,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:16:13,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1179371020, now seen corresponding path program 1 times [2022-07-12 15:16:13,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:16:13,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923437301] [2022-07-12 15:16:13,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:16:13,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:16:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:16:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:16:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:16:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:16:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:16:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:16:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:16:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:16:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:16:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:16:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:16:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:16:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:16:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:16:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:16:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:16:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:16:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:16:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:16:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:16:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:16:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:16:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:16:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 15:16:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 15:16:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-12 15:16:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 15:16:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-12 15:16:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:16:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 15:16:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 15:16:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 15:16:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:16:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 15:16:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 15:16:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-12 15:16:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-12 15:16:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-12 15:16:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-12 15:16:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-12 15:16:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-12 15:16:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-12 15:16:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-12 15:16:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-12 15:16:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-12 15:16:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-12 15:16:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-12 15:16:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-12 15:16:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-12 15:16:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-12 15:16:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-12 15:16:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-12 15:16:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-07-12 15:16:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-07-12 15:16:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-12 15:16:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2022-07-12 15:16:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-07-12 15:16:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-07-12 15:16:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 15:16:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2022-07-12 15:16:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2022-07-12 15:16:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2022-07-12 15:16:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1913 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1898 trivial. 0 not checked. [2022-07-12 15:16:14,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:16:14,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923437301] [2022-07-12 15:16:14,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923437301] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 15:16:14,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944954074] [2022-07-12 15:16:14,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:16:14,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 15:16:14,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:16:14,181 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) [2022-07-12 15:16:14,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 15:16:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:15,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 6341 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:16:15,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:16:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1913 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2022-07-12 15:16:15,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:16:15,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944954074] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:16:15,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:16:15,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2022-07-12 15:16:15,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758020148] [2022-07-12 15:16:15,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:16:15,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:16:15,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:16:15,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:16:15,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 15:16:15,364 INFO L87 Difference]: Start difference. First operand 34837 states and 46755 transitions. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2022-07-12 15:16:17,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:16:17,713 INFO L93 Difference]: Finished difference Result 82479 states and 112094 transitions. [2022-07-12 15:16:17,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:16:17,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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 678 [2022-07-12 15:16:17,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:16:17,839 INFO L225 Difference]: With dead ends: 82479 [2022-07-12 15:16:17,839 INFO L226 Difference]: Without dead ends: 47745 [2022-07-12 15:16:17,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 870 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 15:16:17,918 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 448 mSDsluCounter, 1806 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 4032 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 [2022-07-12 15:16:17,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 4032 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 15:16:17,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47745 states. [2022-07-12 15:16:19,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47745 to 35053. [2022-07-12 15:16:20,027 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) [2022-07-12 15:16:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35053 states to 35053 states and 47091 transitions. [2022-07-12 15:16:20,294 INFO L78 Accepts]: Start accepts. Automaton has 35053 states and 47091 transitions. Word has length 678 [2022-07-12 15:16:20,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:16:20,295 INFO L495 AbstractCegarLoop]: Abstraction has 35053 states and 47091 transitions. [2022-07-12 15:16:20,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2022-07-12 15:16:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 35053 states and 47091 transitions. [2022-07-12 15:16:20,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2022-07-12 15:16:20,314 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:16:20,314 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, 1, 1, 1, 1, 1, 1] [2022-07-12 15:16:20,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-12 15:16:20,539 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 [2022-07-12 15:16:20,540 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)] === [2022-07-12 15:16:20,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:16:20,540 INFO L85 PathProgramCache]: Analyzing trace with hash 550505001, now seen corresponding path program 1 times [2022-07-12 15:16:20,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:16:20,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846531689] [2022-07-12 15:16:20,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:16:20,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:16:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:16:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:16:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:16:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:16:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:16:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:16:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:16:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:16:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:16:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:16:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:16:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:16:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:16:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:16:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:16:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:16:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:16:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:16:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:16:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:16:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:16:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:16:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:16:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 15:16:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-12 15:16:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-12 15:16:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 15:16:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:20,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-12 15:16:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:16:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 15:16:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 15:16:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 15:16:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:16:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 15:16:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-12 15:16:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 15:16:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 15:16:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 15:16:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 15:16:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 15:16:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 15:16:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 15:16:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-12 15:16:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-12 15:16:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-12 15:16:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-12 15:16:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-12 15:16:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-12 15:16:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-12 15:16:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-12 15:16:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-12 15:16:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2022-07-12 15:16:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-07-12 15:16:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2022-07-12 15:16:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2022-07-12 15:16:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2022-07-12 15:16:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-07-12 15:16:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2022-07-12 15:16:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2022-07-12 15:16:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2022-07-12 15:16:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2022-07-12 15:16:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 15:16:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-07-12 15:16:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 697 [2022-07-12 15:16:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2022-07-12 15:16:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:21,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2022-07-12 15:16:21,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:16:21,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846531689] [2022-07-12 15:16:21,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846531689] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 15:16:21,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729166063] [2022-07-12 15:16:21,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:16:21,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 15:16:21,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:16:21,312 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) [2022-07-12 15:16:21,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 15:16:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:22,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 6512 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:16:22,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:16:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 678 proven. 0 refuted. 0 times theorem prover too weak. 1247 trivial. 0 not checked. [2022-07-12 15:16:22,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:16:22,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729166063] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:16:22,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:16:22,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-12 15:16:22,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650894088] [2022-07-12 15:16:22,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:16:22,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:16:22,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:16:22,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:16:22,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:16:22,557 INFO L87 Difference]: Start difference. First operand 35053 states and 47091 transitions. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2022-07-12 15:16:24,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:16:24,438 INFO L93 Difference]: Finished difference Result 69283 states and 93222 transitions. [2022-07-12 15:16:24,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:16:24,439 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) Word has length 713 [2022-07-12 15:16:24,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:16:24,534 INFO L225 Difference]: With dead ends: 69283 [2022-07-12 15:16:24,535 INFO L226 Difference]: Without dead ends: 34333 [2022-07-12 15:16:24,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 923 GetRequests, 915 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:16:24,603 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 [2022-07-12 15:16:24,603 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] [2022-07-12 15:16:24,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34333 states. [2022-07-12 15:16:26,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34333 to 34297. [2022-07-12 15:16:26,374 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) [2022-07-12 15:16:26,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34297 states to 34297 states and 45831 transitions. [2022-07-12 15:16:26,479 INFO L78 Accepts]: Start accepts. Automaton has 34297 states and 45831 transitions. Word has length 713 [2022-07-12 15:16:26,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:16:26,479 INFO L495 AbstractCegarLoop]: Abstraction has 34297 states and 45831 transitions. [2022-07-12 15:16:26,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 2 states have call successors, (86), 2 states have call predecessors, (86), 2 states have return successors, (83), 2 states have call predecessors, (83), 2 states have call successors, (83) [2022-07-12 15:16:26,479 INFO L276 IsEmpty]: Start isEmpty. Operand 34297 states and 45831 transitions. [2022-07-12 15:16:26,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2022-07-12 15:16:26,500 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:16:26,500 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] [2022-07-12 15:16:26,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 15:16:26,701 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 [2022-07-12 15:16:26,701 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)] === [2022-07-12 15:16:26,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:16:26,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1310324919, now seen corresponding path program 2 times [2022-07-12 15:16:26,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 15:16:26,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792011589] [2022-07-12 15:16:26,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:16:26,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 15:16:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 15:16:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 15:16:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 15:16:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 15:16:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 15:16:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 15:16:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 15:16:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 15:16:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 15:16:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 15:16:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 15:16:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 15:16:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 15:16:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 15:16:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 15:16:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 15:16:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:16:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 15:16:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 15:16:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 15:16:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 15:16:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 15:16:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 15:16:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-12 15:16:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 15:16:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 15:16:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 15:16:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 15:16:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 15:16:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 15:16:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 15:16:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-12 15:16:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-12 15:16:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-12 15:16:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-12 15:16:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-12 15:16:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 15:16:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-12 15:16:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 15:16:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 15:16:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 15:16:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 15:16:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 15:16:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 15:16:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 15:16:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 15:16:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 15:16:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 15:16:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 15:16:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-12 15:16:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-12 15:16:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-12 15:16:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 15:16:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 15:16:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 15:16:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-12 15:16:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-07-12 15:16:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-12 15:16:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-12 15:16:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2022-07-12 15:16:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-07-12 15:16:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-12 15:16:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-07-12 15:16:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 15:16:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 15:16:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2022-07-12 15:16:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 15:16:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 15:16:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2022-07-12 15:16:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:27,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8482 trivial. 0 not checked. [2022-07-12 15:16:27,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 15:16:27,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792011589] [2022-07-12 15:16:27,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792011589] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:16:27,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:16:27,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 15:16:27,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419413491] [2022-07-12 15:16:27,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:16:27,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 15:16:27,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 15:16:27,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 15:16:27,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-12 15:16:27,964 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) [2022-07-12 15:16:30,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 15:16:32,616 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 []