./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 0f8a17c6 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 0.2.1-dev-0f8a17c [2021-11-17 07:49:10,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 07:49:10,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 07:49:10,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 07:49:10,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 07:49:10,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 07:49:10,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 07:49:10,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 07:49:10,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 07:49:10,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 07:49:10,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 07:49:10,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 07:49:10,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 07:49:10,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 07:49:10,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 07:49:10,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 07:49:10,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 07:49:10,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 07:49:10,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 07:49:10,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 07:49:10,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 07:49:10,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 07:49:10,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 07:49:10,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 07:49:10,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 07:49:10,748 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 07:49:10,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 07:49:10,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 07:49:10,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 07:49:10,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 07:49:10,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 07:49:10,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 07:49:10,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 07:49:10,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 07:49:10,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 07:49:10,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 07:49:10,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 07:49:10,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 07:49:10,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 07:49:10,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 07:49:10,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 07:49:10,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 07:49:10,780 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 07:49:10,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 07:49:10,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 07:49:10,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 07:49:10,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 07:49:10,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 07:49:10,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 07:49:10,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 07:49:10,783 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 07:49:10,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 07:49:10,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 07:49:10,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 07:49:10,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 07:49:10,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 07:49:10,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 07:49:10,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 07:49:10,784 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 07:49:10,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 07:49:10,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 07:49:10,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 07:49:10,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 07:49:10,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 07:49:10,785 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 07:49:10,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 07:49:10,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 07:49:10,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 07:49:10,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 07:49:10,787 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 07:49:10,787 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 07:49:10,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 07:49:10,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 07:49:10,787 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b81be647295ba0700d02fa1d093d31284b02ba80deefc4d677fbd988693200b [2021-11-17 07:49:10,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 07:49:11,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 07:49:11,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 07:49:11,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 07:49:11,018 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 07:49:11,019 INFO L432 ainManager$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 [2021-11-17 07:49:11,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a5e66a5/c07671e309d64efc811e9dabf6cef410/FLAGd745a5c21 [2021-11-17 07:49:11,706 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 07:49:11,706 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 [2021-11-17 07:49:11,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a5e66a5/c07671e309d64efc811e9dabf6cef410/FLAGd745a5c21 [2021-11-17 07:49:12,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a5e66a5/c07671e309d64efc811e9dabf6cef410 [2021-11-17 07:49:12,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 07:49:12,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 07:49:12,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 07:49:12,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 07:49:12,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 07:49:12,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:49:12" (1/1) ... [2021-11-17 07:49:12,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14559ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:12, skipping insertion in model container [2021-11-17 07:49:12,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:49:12" (1/1) ... [2021-11-17 07:49:12,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 07:49:12,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 07:49:13,861 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] [2021-11-17 07:49:13,863 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] [2021-11-17 07:49:13,863 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] [2021-11-17 07:49:13,864 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] [2021-11-17 07:49:13,877 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 07:49:13,917 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 07:49:14,129 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] [2021-11-17 07:49:14,129 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] [2021-11-17 07:49:14,130 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] [2021-11-17 07:49:14,130 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] [2021-11-17 07:49:14,136 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 07:49:14,254 INFO L208 MainTranslator]: Completed translation [2021-11-17 07:49:14,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14 WrapperNode [2021-11-17 07:49:14,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 07:49:14,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 07:49:14,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 07:49:14,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 07:49:14,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14" (1/1) ... [2021-11-17 07:49:14,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14" (1/1) ... [2021-11-17 07:49:14,466 INFO L137 Inliner]: procedures = 370, calls = 2171, calls flagged for inlining = 172, calls inlined = 152, statements flattened = 4067 [2021-11-17 07:49:14,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 07:49:14,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 07:49:14,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 07:49:14,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 07:49:14,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14" (1/1) ... [2021-11-17 07:49:14,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14" (1/1) ... [2021-11-17 07:49:14,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14" (1/1) ... [2021-11-17 07:49:14,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14" (1/1) ... [2021-11-17 07:49:14,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14" (1/1) ... [2021-11-17 07:49:14,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14" (1/1) ... [2021-11-17 07:49:14,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14" (1/1) ... [2021-11-17 07:49:14,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 07:49:14,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 07:49:14,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 07:49:14,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 07:49:14,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14" (1/1) ... [2021-11-17 07:49:14,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 07:49:14,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 07:49:14,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 07:49:14,723 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 [2021-11-17 07:49:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_page_lock_of_ei_device [2021-11-17 07:49:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_page_lock_of_ei_device [2021-11-17 07:49:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 07:49:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 07:49:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_detach [2021-11-17 07:49:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_detach [2021-11-17 07:49:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 07:49:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 07:49:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 07:49:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 07:49:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 07:49:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 07:49:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure AX88190_init [2021-11-17 07:49:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure AX88190_init [2021-11-17 07:49:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-17 07:49:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~VOID [2021-11-17 07:49:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 07:49:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 07:49:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-11-17 07:49:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-11-17 07:49:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 07:49:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 07:49:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_70 [2021-11-17 07:49:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_70 [2021-11-17 07:49:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 07:49:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 07:49:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ei_receive [2021-11-17 07:49:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_receive [2021-11-17 07:49:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 07:49:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 07:49:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2021-11-17 07:49:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_axnet_cs_driver_exit_14_2 [2021-11-17 07:49:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 07:49:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 07:49:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_release [2021-11-17 07:49:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_release [2021-11-17 07:49:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_config_byte [2021-11-17 07:49:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_config_byte [2021-11-17 07:49:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2021-11-17 07:49:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2021-11-17 07:49:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure PRIV [2021-11-17 07:49:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure PRIV [2021-11-17 07:49:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-17 07:49:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-17 07:49:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 07:49:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 07:49:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 07:49:14,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 07:49:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 07:49:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 07:49:14,760 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-17 07:49:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-17 07:49:14,761 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-17 07:49:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-17 07:49:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 07:49:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 07:49:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure NS8390_trigger_send [2021-11-17 07:49:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure NS8390_trigger_send [2021-11-17 07:49:14,762 INFO L130 BoogieDeclarations]: Found specification of procedure ei_tx_intr [2021-11-17 07:49:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_tx_intr [2021-11-17 07:49:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 07:49:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 07:49:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 07:49:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 07:49:14,763 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-17 07:49:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-17 07:49:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 07:49:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 07:49:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 07:49:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 07:49:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 07:49:14,764 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-11-17 07:49:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-11-17 07:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 07:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 07:49:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 07:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 07:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 07:49:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 07:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure ei_irq_wrapper [2021-11-17 07:49:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ei_irq_wrapper [2021-11-17 07:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 07:49:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 07:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 07:49:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 07:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 07:49:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 07:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 07:49:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 07:49:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 07:49:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_reset_8390 [2021-11-17 07:49:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_reset_8390 [2021-11-17 07:49:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_tx_timeout [2021-11-17 07:49:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_tx_timeout [2021-11-17 07:49:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 07:49:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 07:49:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 07:49:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-11-17 07:49:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-11-17 07:49:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 07:49:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 07:49:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure axnet_cs_driver_exit [2021-11-17 07:49:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure axnet_cs_driver_exit [2021-11-17 07:49:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 07:49:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 07:49:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 07:49:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 07:49:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 07:49:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 07:49:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 07:49:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 07:49:14,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 07:49:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 07:49:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 07:49:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 07:49:14,772 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-11-17 07:49:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-11-17 07:49:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-17 07:49:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-17 07:49:14,773 INFO L130 BoogieDeclarations]: Found specification of procedure do_set_multicast_list [2021-11-17 07:49:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure do_set_multicast_list [2021-11-17 07:49:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 07:49:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 07:49:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 07:49:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-11-17 07:49:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-11-17 07:49:14,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 07:49:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 07:49:15,327 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 07:49:15,329 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 07:49:15,510 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 07:49:19,638 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 07:49:19,695 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 07:49:19,712 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 07:49:19,713 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 07:49:19,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 07:49:19 BoogieIcfgContainer [2021-11-17 07:49:19,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 07:49:19,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 07:49:19,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 07:49:19,719 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 07:49:19,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:49:12" (1/3) ... [2021-11-17 07:49:19,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e90a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:49:19, skipping insertion in model container [2021-11-17 07:49:19,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:49:14" (2/3) ... [2021-11-17 07:49:19,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73e90a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:49:19, skipping insertion in model container [2021-11-17 07:49:19,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 07:49:19" (3/3) ... [2021-11-17 07:49:19,722 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-8390-axnet_cs.cil.i [2021-11-17 07:49:19,726 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 07:49:19,726 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 07:49:19,764 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 07:49:19,768 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 07:49:19,768 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 07:49:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 1254 states, 829 states have (on average 1.2943305186972256) internal successors, (1073), 853 states have internal predecessors, (1073), 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) [2021-11-17 07:49:19,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-17 07:49:19,806 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:49:19,807 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:49:19,807 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:49:19,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:49:19,811 INFO L85 PathProgramCache]: Analyzing trace with hash 2140271610, now seen corresponding path program 1 times [2021-11-17 07:49:19,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:49:19,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732785953] [2021-11-17 07:49:19,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:49:19,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:49:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:49:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:49:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:49:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:49:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:49:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:49:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:49:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:49:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 07:49:20,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:20,312 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-17 07:49:20,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:49:20,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732785953] [2021-11-17 07:49:20,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732785953] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:49:20,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:49:20,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:49:20,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083274281] [2021-11-17 07:49:20,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:49:20,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:49:20,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:49:20,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:49:20,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:49:20,339 INFO L87 Difference]: Start difference. First operand has 1254 states, 829 states have (on average 1.2943305186972256) internal successors, (1073), 853 states have internal predecessors, (1073), 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) [2021-11-17 07:49:23,410 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:49:26,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:49:26,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:49:26,987 INFO L93 Difference]: Finished difference Result 3639 states and 5319 transitions. [2021-11-17 07:49:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:49:26,989 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 [2021-11-17 07:49:26,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:49:27,014 INFO L225 Difference]: With dead ends: 3639 [2021-11-17 07:49:27,014 INFO L226 Difference]: Without dead ends: 2394 [2021-11-17 07:49:27,023 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:49:27,026 INFO L933 BasicCegarLoop]: 1907 mSDtfsCounter, 1814 mSDsluCounter, 2101 mSDsCounter, 0 mSdLazyCounter, 1135 mSolverCounterSat, 988 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 4008 SdHoareTripleChecker+Invalid, 2125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 988 IncrementalHoareTripleChecker+Valid, 1135 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-17 07:49:27,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2141 Valid, 4008 Invalid, 2125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [988 Valid, 1135 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2021-11-17 07:49:27,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2394 states. [2021-11-17 07:49:27,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2394 to 2382. [2021-11-17 07:49:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2382 states, 1590 states have (on average 1.289937106918239) internal successors, (2051), 1635 states have internal predecessors, (2051), 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) [2021-11-17 07:49:27,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 3413 transitions. [2021-11-17 07:49:27,238 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 3413 transitions. Word has length 105 [2021-11-17 07:49:27,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:49:27,241 INFO L470 AbstractCegarLoop]: Abstraction has 2382 states and 3413 transitions. [2021-11-17 07:49:27,241 INFO L471 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) [2021-11-17 07:49:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 3413 transitions. [2021-11-17 07:49:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-17 07:49:27,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:49:27,247 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:49:27,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 07:49:27,247 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:49:27,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:49:27,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1508767589, now seen corresponding path program 1 times [2021-11-17 07:49:27,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:49:27,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561658916] [2021-11-17 07:49:27,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:49:27,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:49:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:49:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:49:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:49:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:49:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:49:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:49:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:49:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:49:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 07:49:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:27,449 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-17 07:49:27,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:49:27,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561658916] [2021-11-17 07:49:27,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561658916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:49:27,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:49:27,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:49:27,450 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266449853] [2021-11-17 07:49:27,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:49:27,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:49:27,451 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:49:27,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:49:27,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:49:27,452 INFO L87 Difference]: Start difference. First operand 2382 states and 3413 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) [2021-11-17 07:49:29,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:49:31,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:49:31,669 INFO L93 Difference]: Finished difference Result 6678 states and 9562 transitions. [2021-11-17 07:49:31,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:49:31,670 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 [2021-11-17 07:49:31,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:49:31,700 INFO L225 Difference]: With dead ends: 6678 [2021-11-17 07:49:31,700 INFO L226 Difference]: Without dead ends: 4315 [2021-11-17 07:49:31,710 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:49:31,711 INFO L933 BasicCegarLoop]: 1923 mSDtfsCounter, 1530 mSDsluCounter, 2086 mSDsCounter, 0 mSdLazyCounter, 1113 mSolverCounterSat, 943 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1819 SdHoareTripleChecker+Valid, 4009 SdHoareTripleChecker+Invalid, 2057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 943 IncrementalHoareTripleChecker+Valid, 1113 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-17 07:49:31,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1819 Valid, 4009 Invalid, 2057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [943 Valid, 1113 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-11-17 07:49:31,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4315 states. [2021-11-17 07:49:31,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4315 to 4272. [2021-11-17 07:49:31,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4272 states, 2840 states have (on average 1.2848591549295774) internal successors, (3649), 2922 states have internal predecessors, (3649), 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) [2021-11-17 07:49:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4272 states to 4272 states and 6095 transitions. [2021-11-17 07:49:31,878 INFO L78 Accepts]: Start accepts. Automaton has 4272 states and 6095 transitions. Word has length 114 [2021-11-17 07:49:31,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:49:31,879 INFO L470 AbstractCegarLoop]: Abstraction has 4272 states and 6095 transitions. [2021-11-17 07:49:31,879 INFO L471 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) [2021-11-17 07:49:31,879 INFO L276 IsEmpty]: Start isEmpty. Operand 4272 states and 6095 transitions. [2021-11-17 07:49:31,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-17 07:49:31,880 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:49:31,881 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:49:31,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 07:49:31,881 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:49:31,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:49:31,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1603828909, now seen corresponding path program 1 times [2021-11-17 07:49:31,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:49:31,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652210692] [2021-11-17 07:49:31,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:49:31,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:49:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:49:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:49:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:49:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:49:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:49:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:49:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:49:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:49:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 07:49:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 07:49:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:49:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:32,182 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-11-17 07:49:32,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:49:32,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652210692] [2021-11-17 07:49:32,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652210692] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:49:32,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:49:32,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:49:32,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20215936] [2021-11-17 07:49:32,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:49:32,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:49:32,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:49:32,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:49:32,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:49:32,189 INFO L87 Difference]: Start difference. First operand 4272 states and 6095 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) [2021-11-17 07:49:34,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:49:37,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:49:38,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:49:38,494 INFO L93 Difference]: Finished difference Result 11752 states and 16686 transitions. [2021-11-17 07:49:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:49:38,495 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 [2021-11-17 07:49:38,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:49:38,571 INFO L225 Difference]: With dead ends: 11752 [2021-11-17 07:49:38,571 INFO L226 Difference]: Without dead ends: 7499 [2021-11-17 07:49:38,584 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:49:38,590 INFO L933 BasicCegarLoop]: 1866 mSDtfsCounter, 1530 mSDsluCounter, 2090 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 956 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1810 SdHoareTripleChecker+Valid, 3956 SdHoareTripleChecker+Invalid, 2031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-17 07:49:38,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1810 Valid, 3956 Invalid, 2031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 1073 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2021-11-17 07:49:38,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7499 states. [2021-11-17 07:49:38,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7499 to 7442. [2021-11-17 07:49:38,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7442 states, 4946 states have (on average 1.2715325515568137) internal successors, (6289), 5084 states have internal predecessors, (6289), 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) [2021-11-17 07:49:38,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7442 states to 7442 states and 10513 transitions. [2021-11-17 07:49:38,840 INFO L78 Accepts]: Start accepts. Automaton has 7442 states and 10513 transitions. Word has length 119 [2021-11-17 07:49:38,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:49:38,841 INFO L470 AbstractCegarLoop]: Abstraction has 7442 states and 10513 transitions. [2021-11-17 07:49:38,841 INFO L471 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) [2021-11-17 07:49:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 7442 states and 10513 transitions. [2021-11-17 07:49:38,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-17 07:49:38,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:49:38,843 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:49:38,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 07:49:38,844 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:49:38,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:49:38,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1087155725, now seen corresponding path program 1 times [2021-11-17 07:49:38,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:49:38,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620864551] [2021-11-17 07:49:38,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:49:38,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:49:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:38,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:49:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:38,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:49:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:38,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:49:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:49:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:49:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:49:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:49:39,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:49:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-11-17 07:49:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:49:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 07:49:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 07:49:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 07:49:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 07:49:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-17 07:49:39,097 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:49:39,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620864551] [2021-11-17 07:49:39,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620864551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:49:39,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:49:39,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:49:39,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350324624] [2021-11-17 07:49:39,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:49:39,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:49:39,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:49:39,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:49:39,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:49:39,099 INFO L87 Difference]: Start difference. First operand 7442 states and 10513 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) [2021-11-17 07:49:41,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:49:42,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:49:42,897 INFO L93 Difference]: Finished difference Result 13240 states and 18670 transitions. [2021-11-17 07:49:42,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:49:42,898 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 [2021-11-17 07:49:42,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:49:42,925 INFO L225 Difference]: With dead ends: 13240 [2021-11-17 07:49:42,925 INFO L226 Difference]: Without dead ends: 5817 [2021-11-17 07:49:42,948 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:49:42,949 INFO L933 BasicCegarLoop]: 2282 mSDtfsCounter, 1451 mSDsluCounter, 1755 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 821 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 4037 SdHoareTripleChecker+Invalid, 1651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-17 07:49:42,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1635 Valid, 4037 Invalid, 1651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 829 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-17 07:49:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5817 states. [2021-11-17 07:49:43,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5817 to 5746. [2021-11-17 07:49:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5746 states, 3876 states have (on average 1.2587719298245614) internal successors, (4879), 4020 states have internal predecessors, (4879), 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) [2021-11-17 07:49:43,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5746 states to 5746 states and 8013 transitions. [2021-11-17 07:49:43,137 INFO L78 Accepts]: Start accepts. Automaton has 5746 states and 8013 transitions. Word has length 143 [2021-11-17 07:49:43,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:49:43,139 INFO L470 AbstractCegarLoop]: Abstraction has 5746 states and 8013 transitions. [2021-11-17 07:49:43,139 INFO L471 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) [2021-11-17 07:49:43,139 INFO L276 IsEmpty]: Start isEmpty. Operand 5746 states and 8013 transitions. [2021-11-17 07:49:43,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-17 07:49:43,143 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:49:43,143 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:49:43,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 07:49:43,144 INFO L402 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)] === [2021-11-17 07:49:43,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:49:43,144 INFO L85 PathProgramCache]: Analyzing trace with hash 46628903, now seen corresponding path program 1 times [2021-11-17 07:49:43,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:49:43,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378642290] [2021-11-17 07:49:43,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:49:43,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:49:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:49:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:49:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:49:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:49:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:49:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:49:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:49:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:49:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:49:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:49:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:49:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:49:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:49:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:49:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:49:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2021-11-17 07:49:43,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:49:43,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378642290] [2021-11-17 07:49:43,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378642290] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:49:43,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:49:43,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:49:43,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876758769] [2021-11-17 07:49:43,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:49:43,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:49:43,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:49:43,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:49:43,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:49:43,426 INFO L87 Difference]: Start difference. First operand 5746 states and 8013 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) [2021-11-17 07:49:46,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:49:48,033 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:49:49,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:49:49,683 INFO L93 Difference]: Finished difference Result 16627 states and 23249 transitions. [2021-11-17 07:49:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:49:49,684 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 [2021-11-17 07:49:49,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:49:49,734 INFO L225 Difference]: With dead ends: 16627 [2021-11-17 07:49:49,735 INFO L226 Difference]: Without dead ends: 10970 [2021-11-17 07:49:49,754 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:49:49,754 INFO L933 BasicCegarLoop]: 2944 mSDtfsCounter, 1603 mSDsluCounter, 2728 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 732 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 5672 SdHoareTripleChecker+Invalid, 1888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 732 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-17 07:49:49,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1924 Valid, 5672 Invalid, 1888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [732 Valid, 1154 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2021-11-17 07:49:49,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10970 states. [2021-11-17 07:49:50,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10970 to 10926. [2021-11-17 07:49:50,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10926 states, 7390 states have (on average 1.2589986468200272) internal successors, (9304), 7648 states have internal predecessors, (9304), 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) [2021-11-17 07:49:50,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10926 states to 10926 states and 15236 transitions. [2021-11-17 07:49:50,092 INFO L78 Accepts]: Start accepts. Automaton has 10926 states and 15236 transitions. Word has length 161 [2021-11-17 07:49:50,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:49:50,093 INFO L470 AbstractCegarLoop]: Abstraction has 10926 states and 15236 transitions. [2021-11-17 07:49:50,093 INFO L471 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) [2021-11-17 07:49:50,093 INFO L276 IsEmpty]: Start isEmpty. Operand 10926 states and 15236 transitions. [2021-11-17 07:49:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-17 07:49:50,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:49:50,095 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:49:50,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 07:49:50,096 INFO L402 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)] === [2021-11-17 07:49:50,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:49:50,096 INFO L85 PathProgramCache]: Analyzing trace with hash 187177513, now seen corresponding path program 1 times [2021-11-17 07:49:50,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:49:50,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435574357] [2021-11-17 07:49:50,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:49:50,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:49:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:49:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:49:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:49:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:49:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:49:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:49:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:49:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:49:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:49:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:49:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:49:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:49:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:49:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:49:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:49:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-11-17 07:49:50,453 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:49:50,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435574357] [2021-11-17 07:49:50,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435574357] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:49:50,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:49:50,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:49:50,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089714993] [2021-11-17 07:49:50,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:49:50,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:49:50,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:49:50,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:49:50,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:49:50,455 INFO L87 Difference]: Start difference. First operand 10926 states and 15236 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) [2021-11-17 07:49:52,954 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:49:54,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:49:54,250 INFO L93 Difference]: Finished difference Result 10972 states and 15308 transitions. [2021-11-17 07:49:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:49:54,252 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 [2021-11-17 07:49:54,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:49:54,291 INFO L225 Difference]: With dead ends: 10972 [2021-11-17 07:49:54,291 INFO L226 Difference]: Without dead ends: 10970 [2021-11-17 07:49:54,299 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:49:54,299 INFO L933 BasicCegarLoop]: 1651 mSDtfsCounter, 1573 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 691 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 5154 SdHoareTripleChecker+Invalid, 1872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 691 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-17 07:49:54,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1794 Valid, 5154 Invalid, 1872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [691 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-17 07:49:54,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10970 states. [2021-11-17 07:49:54,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10970 to 10930. [2021-11-17 07:49:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10930 states, 7393 states have (on average 1.2588935479507641) internal successors, (9307), 7651 states have internal predecessors, (9307), 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) [2021-11-17 07:49:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10930 states to 10930 states and 15239 transitions. [2021-11-17 07:49:54,667 INFO L78 Accepts]: Start accepts. Automaton has 10930 states and 15239 transitions. Word has length 161 [2021-11-17 07:49:54,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:49:54,667 INFO L470 AbstractCegarLoop]: Abstraction has 10930 states and 15239 transitions. [2021-11-17 07:49:54,667 INFO L471 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) [2021-11-17 07:49:54,667 INFO L276 IsEmpty]: Start isEmpty. Operand 10930 states and 15239 transitions. [2021-11-17 07:49:54,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-17 07:49:54,670 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:49:54,670 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:49:54,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 07:49:54,671 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:49:54,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:49:54,671 INFO L85 PathProgramCache]: Analyzing trace with hash -725170141, now seen corresponding path program 1 times [2021-11-17 07:49:54,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:49:54,671 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168648091] [2021-11-17 07:49:54,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:49:54,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:49:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:49:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:49:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:49:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:49:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:49:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:49:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:49:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:49:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:49:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:49:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:49:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:49:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:49:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:49:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:49:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:49:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:54,932 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-11-17 07:49:54,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:49:54,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168648091] [2021-11-17 07:49:54,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168648091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:49:54,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:49:54,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:49:54,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591700346] [2021-11-17 07:49:54,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:49:54,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:49:54,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:49:54,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:49:54,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:49:54,934 INFO L87 Difference]: Start difference. First operand 10930 states and 15239 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) [2021-11-17 07:49:57,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:49:58,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:49:58,675 INFO L93 Difference]: Finished difference Result 10976 states and 15311 transitions. [2021-11-17 07:49:58,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:49:58,676 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 [2021-11-17 07:49:58,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:49:58,712 INFO L225 Difference]: With dead ends: 10976 [2021-11-17 07:49:58,712 INFO L226 Difference]: Without dead ends: 10974 [2021-11-17 07:49:58,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 07:49:58,719 INFO L933 BasicCegarLoop]: 1654 mSDtfsCounter, 1565 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 690 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 5157 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 690 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-17 07:49:58,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 5157 Invalid, 1871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [690 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-17 07:49:58,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10974 states. [2021-11-17 07:49:59,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10974 to 10934. [2021-11-17 07:49:59,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10934 states, 7396 states have (on average 1.258788534342888) internal successors, (9310), 7654 states have internal predecessors, (9310), 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) [2021-11-17 07:49:59,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10934 states to 10934 states and 15242 transitions. [2021-11-17 07:49:59,148 INFO L78 Accepts]: Start accepts. Automaton has 10934 states and 15242 transitions. Word has length 166 [2021-11-17 07:49:59,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:49:59,149 INFO L470 AbstractCegarLoop]: Abstraction has 10934 states and 15242 transitions. [2021-11-17 07:49:59,149 INFO L471 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) [2021-11-17 07:49:59,149 INFO L276 IsEmpty]: Start isEmpty. Operand 10934 states and 15242 transitions. [2021-11-17 07:49:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-17 07:49:59,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:49:59,152 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:49:59,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 07:49:59,152 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:49:59,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:49:59,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1057283625, now seen corresponding path program 1 times [2021-11-17 07:49:59,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:49:59,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341631202] [2021-11-17 07:49:59,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:49:59,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:49:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:49:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:49:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:49:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:49:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:49:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:49:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:49:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:49:59,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:49:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:49:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:49:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:49:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:49:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:49:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:49:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:49:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:49:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 07:49:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:49:59,420 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2021-11-17 07:49:59,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:49:59,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341631202] [2021-11-17 07:49:59,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341631202] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:49:59,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:49:59,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:49:59,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958625838] [2021-11-17 07:49:59,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:49:59,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:49:59,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:49:59,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:49:59,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:49:59,422 INFO L87 Difference]: Start difference. First operand 10934 states and 15242 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) [2021-11-17 07:50:01,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:03,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:50:03,142 INFO L93 Difference]: Finished difference Result 10980 states and 15314 transitions. [2021-11-17 07:50:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:50:03,143 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 [2021-11-17 07:50:03,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:50:03,171 INFO L225 Difference]: With dead ends: 10980 [2021-11-17 07:50:03,171 INFO L226 Difference]: Without dead ends: 10978 [2021-11-17 07:50:03,175 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:50:03,176 INFO L933 BasicCegarLoop]: 1654 mSDtfsCounter, 1565 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 689 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 5157 SdHoareTripleChecker+Invalid, 1870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 689 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-17 07:50:03,176 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 5157 Invalid, 1870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [689 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-17 07:50:03,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10978 states. [2021-11-17 07:50:03,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10978 to 10938. [2021-11-17 07:50:03,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10938 states, 7399 states have (on average 1.2586836058926882) internal successors, (9313), 7657 states have internal predecessors, (9313), 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) [2021-11-17 07:50:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10938 states to 10938 states and 15245 transitions. [2021-11-17 07:50:03,506 INFO L78 Accepts]: Start accepts. Automaton has 10938 states and 15245 transitions. Word has length 171 [2021-11-17 07:50:03,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:50:03,507 INFO L470 AbstractCegarLoop]: Abstraction has 10938 states and 15245 transitions. [2021-11-17 07:50:03,507 INFO L471 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) [2021-11-17 07:50:03,507 INFO L276 IsEmpty]: Start isEmpty. Operand 10938 states and 15245 transitions. [2021-11-17 07:50:03,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-11-17 07:50:03,509 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:50:03,509 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:50:03,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 07:50:03,510 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:50:03,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:50:03,510 INFO L85 PathProgramCache]: Analyzing trace with hash 545174435, now seen corresponding path program 1 times [2021-11-17 07:50:03,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:50:03,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275426545] [2021-11-17 07:50:03,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:50:03,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:50:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:50:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:50:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:50:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:50:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:50:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:50:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:50:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:50:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:50:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:50:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:50:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:50:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:50:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:50:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:50:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:50:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 07:50:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 07:50:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2021-11-17 07:50:03,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:50:03,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275426545] [2021-11-17 07:50:03,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275426545] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:50:03,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:50:03,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:50:03,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838161656] [2021-11-17 07:50:03,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:50:03,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:50:03,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:50:03,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:50:03,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:50:03,796 INFO L87 Difference]: Start difference. First operand 10938 states and 15245 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) [2021-11-17 07:50:06,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:07,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:50:07,470 INFO L93 Difference]: Finished difference Result 10984 states and 15317 transitions. [2021-11-17 07:50:07,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:50:07,470 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 [2021-11-17 07:50:07,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:50:07,509 INFO L225 Difference]: With dead ends: 10984 [2021-11-17 07:50:07,509 INFO L226 Difference]: Without dead ends: 10982 [2021-11-17 07:50:07,518 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:50:07,518 INFO L933 BasicCegarLoop]: 1654 mSDtfsCounter, 1565 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 688 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 5157 SdHoareTripleChecker+Invalid, 1869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 07:50:07,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 5157 Invalid, 1869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 07:50:07,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10982 states. [2021-11-17 07:50:07,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10982 to 10942. [2021-11-17 07:50:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10942 states, 7402 states have (on average 1.2585787624966225) internal successors, (9316), 7660 states have internal predecessors, (9316), 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) [2021-11-17 07:50:07,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10942 states to 10942 states and 15248 transitions. [2021-11-17 07:50:07,944 INFO L78 Accepts]: Start accepts. Automaton has 10942 states and 15248 transitions. Word has length 176 [2021-11-17 07:50:07,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:50:07,945 INFO L470 AbstractCegarLoop]: Abstraction has 10942 states and 15248 transitions. [2021-11-17 07:50:07,945 INFO L471 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) [2021-11-17 07:50:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 10942 states and 15248 transitions. [2021-11-17 07:50:07,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-17 07:50:07,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:50:07,948 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:50:07,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 07:50:07,949 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:50:07,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:50:07,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1154045311, now seen corresponding path program 1 times [2021-11-17 07:50:07,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:50:07,949 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959622389] [2021-11-17 07:50:07,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:50:07,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:50:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:50:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:50:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:50:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:50:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:50:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:50:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:50:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:50:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:50:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:50:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:50:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:50:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:50:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:50:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 07:50:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-11-17 07:50:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:50:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 07:50:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 07:50:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 07:50:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 07:50:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:08,201 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2021-11-17 07:50:08,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:50:08,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959622389] [2021-11-17 07:50:08,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959622389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:50:08,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:50:08,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 07:50:08,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709858580] [2021-11-17 07:50:08,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:50:08,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 07:50:08,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:50:08,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 07:50:08,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 07:50:08,203 INFO L87 Difference]: Start difference. First operand 10942 states and 15248 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) [2021-11-17 07:50:11,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:13,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:15,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:50:15,901 INFO L93 Difference]: Finished difference Result 27339 states and 38273 transitions. [2021-11-17 07:50:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 07:50:15,902 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 [2021-11-17 07:50:15,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:50:15,963 INFO L225 Difference]: With dead ends: 27339 [2021-11-17 07:50:15,964 INFO L226 Difference]: Without dead ends: 16486 [2021-11-17 07:50:16,002 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:50:16,003 INFO L933 BasicCegarLoop]: 3120 mSDtfsCounter, 1826 mSDsluCounter, 4101 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 1376 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 7221 SdHoareTripleChecker+Invalid, 3435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1376 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-17 07:50:16,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2099 Valid, 7221 Invalid, 3435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1376 Valid, 2057 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2021-11-17 07:50:16,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16486 states. [2021-11-17 07:50:16,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16486 to 16226. [2021-11-17 07:50:16,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16226 states, 10996 states have (on average 1.260185522008003) internal successors, (13857), 11380 states have internal predecessors, (13857), 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) [2021-11-17 07:50:16,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16226 states to 16226 states and 22659 transitions. [2021-11-17 07:50:16,678 INFO L78 Accepts]: Start accepts. Automaton has 16226 states and 22659 transitions. Word has length 196 [2021-11-17 07:50:16,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:50:16,679 INFO L470 AbstractCegarLoop]: Abstraction has 16226 states and 22659 transitions. [2021-11-17 07:50:16,679 INFO L471 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) [2021-11-17 07:50:16,679 INFO L276 IsEmpty]: Start isEmpty. Operand 16226 states and 22659 transitions. [2021-11-17 07:50:16,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-17 07:50:16,682 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:50:16,683 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:50:16,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 07:50:16,683 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:50:16,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:50:16,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1959898583, now seen corresponding path program 1 times [2021-11-17 07:50:16,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:50:16,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606517236] [2021-11-17 07:50:16,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:50:16,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:50:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:50:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:50:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:50:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:50:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:50:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:50:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:50:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:50:16,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:50:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:50:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:50:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:50:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:50:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:50:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:50:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:50:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 07:50:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 07:50:16,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 07:50:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:16,929 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2021-11-17 07:50:16,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:50:16,930 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606517236] [2021-11-17 07:50:16,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606517236] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:50:16,930 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:50:16,930 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:50:16,930 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217289488] [2021-11-17 07:50:16,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:50:16,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:50:16,931 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:50:16,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:50:16,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:50:16,932 INFO L87 Difference]: Start difference. First operand 16226 states and 22659 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) [2021-11-17 07:50:19,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:20,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:50:20,870 INFO L93 Difference]: Finished difference Result 16292 states and 22761 transitions. [2021-11-17 07:50:20,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:50:20,870 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 [2021-11-17 07:50:20,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:50:20,931 INFO L225 Difference]: With dead ends: 16292 [2021-11-17 07:50:20,931 INFO L226 Difference]: Without dead ends: 16290 [2021-11-17 07:50:20,944 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:50:20,945 INFO L933 BasicCegarLoop]: 1654 mSDtfsCounter, 1565 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 687 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 5157 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 687 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 07:50:20,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 5157 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [687 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 07:50:20,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16290 states. [2021-11-17 07:50:21,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16290 to 16230. [2021-11-17 07:50:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16230 states, 10999 states have (on average 1.2601145558687152) internal successors, (13860), 11383 states have internal predecessors, (13860), 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) [2021-11-17 07:50:21,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16230 states to 16230 states and 22662 transitions. [2021-11-17 07:50:21,665 INFO L78 Accepts]: Start accepts. Automaton has 16230 states and 22662 transitions. Word has length 181 [2021-11-17 07:50:21,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:50:21,665 INFO L470 AbstractCegarLoop]: Abstraction has 16230 states and 22662 transitions. [2021-11-17 07:50:21,666 INFO L471 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) [2021-11-17 07:50:21,666 INFO L276 IsEmpty]: Start isEmpty. Operand 16230 states and 22662 transitions. [2021-11-17 07:50:21,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-17 07:50:21,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:50:21,669 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:50:21,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 07:50:21,669 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:50:21,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:50:21,669 INFO L85 PathProgramCache]: Analyzing trace with hash -128454877, now seen corresponding path program 1 times [2021-11-17 07:50:21,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:50:21,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055921887] [2021-11-17 07:50:21,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:50:21,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:50:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:50:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:50:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:50:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:50:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:50:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:50:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:50:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:50:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:50:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:50:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:50:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:50:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:50:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:50:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:50:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:50:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 07:50:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 07:50:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 07:50:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 07:50:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:21,885 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2021-11-17 07:50:21,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:50:21,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055921887] [2021-11-17 07:50:21,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055921887] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:50:21,885 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:50:21,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:50:21,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455752074] [2021-11-17 07:50:21,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:50:21,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:50:21,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:50:21,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:50:21,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:50:21,888 INFO L87 Difference]: Start difference. First operand 16230 states and 22662 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) [2021-11-17 07:50:24,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:25,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:50:25,848 INFO L93 Difference]: Finished difference Result 16296 states and 22764 transitions. [2021-11-17 07:50:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:50:25,849 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 [2021-11-17 07:50:25,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:50:25,911 INFO L225 Difference]: With dead ends: 16296 [2021-11-17 07:50:25,911 INFO L226 Difference]: Without dead ends: 16294 [2021-11-17 07:50:25,922 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:50:25,923 INFO L933 BasicCegarLoop]: 1654 mSDtfsCounter, 1565 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 686 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 5157 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 686 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-17 07:50:25,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 5157 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [686 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-17 07:50:25,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16294 states. [2021-11-17 07:50:26,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16294 to 16234. [2021-11-17 07:50:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16234 states, 11002 states have (on average 1.2600436284311942) internal successors, (13863), 11386 states have internal predecessors, (13863), 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) [2021-11-17 07:50:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16234 states to 16234 states and 22665 transitions. [2021-11-17 07:50:26,603 INFO L78 Accepts]: Start accepts. Automaton has 16234 states and 22665 transitions. Word has length 186 [2021-11-17 07:50:26,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:50:26,603 INFO L470 AbstractCegarLoop]: Abstraction has 16234 states and 22665 transitions. [2021-11-17 07:50:26,604 INFO L471 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) [2021-11-17 07:50:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 16234 states and 22665 transitions. [2021-11-17 07:50:26,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-17 07:50:26,607 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:50:26,607 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:50:26,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 07:50:26,608 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:50:26,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:50:26,608 INFO L85 PathProgramCache]: Analyzing trace with hash 998798889, now seen corresponding path program 1 times [2021-11-17 07:50:26,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:50:26,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121688129] [2021-11-17 07:50:26,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:50:26,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:50:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:50:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:50:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:50:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:50:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:26,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:50:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:50:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:50:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:50:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:50:26,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:50:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:50:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:50:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:50:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:50:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:50:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:50:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 07:50:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 07:50:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 07:50:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 07:50:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 07:50:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2021-11-17 07:50:26,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:50:26,995 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121688129] [2021-11-17 07:50:26,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121688129] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:50:26,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:50:26,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:50:26,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290934112] [2021-11-17 07:50:26,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:50:26,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:50:26,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:50:26,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:50:26,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:50:26,997 INFO L87 Difference]: Start difference. First operand 16234 states and 22665 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) [2021-11-17 07:50:29,560 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:30,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:50:30,900 INFO L93 Difference]: Finished difference Result 16300 states and 22767 transitions. [2021-11-17 07:50:30,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:50:30,901 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 [2021-11-17 07:50:30,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:50:30,941 INFO L225 Difference]: With dead ends: 16300 [2021-11-17 07:50:30,941 INFO L226 Difference]: Without dead ends: 16298 [2021-11-17 07:50:30,947 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:50:30,947 INFO L933 BasicCegarLoop]: 1654 mSDtfsCounter, 1565 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 685 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 5157 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 685 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 07:50:30,947 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 5157 Invalid, 1866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [685 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 07:50:30,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16298 states. [2021-11-17 07:50:31,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16298 to 16238. [2021-11-17 07:50:31,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16238 states, 11005 states have (on average 1.2599727396637892) internal successors, (13866), 11389 states have internal predecessors, (13866), 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) [2021-11-17 07:50:31,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16238 states to 16238 states and 22668 transitions. [2021-11-17 07:50:31,663 INFO L78 Accepts]: Start accepts. Automaton has 16238 states and 22668 transitions. Word has length 191 [2021-11-17 07:50:31,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:50:31,663 INFO L470 AbstractCegarLoop]: Abstraction has 16238 states and 22668 transitions. [2021-11-17 07:50:31,664 INFO L471 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) [2021-11-17 07:50:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 16238 states and 22668 transitions. [2021-11-17 07:50:31,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-17 07:50:31,667 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:50:31,667 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:50:31,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 07:50:31,667 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:50:31,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:50:31,668 INFO L85 PathProgramCache]: Analyzing trace with hash -554796381, now seen corresponding path program 1 times [2021-11-17 07:50:31,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:50:31,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669786675] [2021-11-17 07:50:31,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:50:31,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:50:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:50:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:50:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:31,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:50:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:50:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:50:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:50:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:50:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:50:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:50:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:50:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:50:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:50:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:50:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:50:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:50:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:50:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 07:50:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 07:50:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 07:50:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 07:50:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 07:50:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 07:50:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:31,902 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2021-11-17 07:50:31,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:50:31,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669786675] [2021-11-17 07:50:31,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669786675] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:50:31,903 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:50:31,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:50:31,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946001448] [2021-11-17 07:50:31,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:50:31,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:50:31,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:50:31,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:50:31,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:50:31,904 INFO L87 Difference]: Start difference. First operand 16238 states and 22668 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) [2021-11-17 07:50:34,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:35,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:50:35,798 INFO L93 Difference]: Finished difference Result 16304 states and 22770 transitions. [2021-11-17 07:50:35,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:50:35,799 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 [2021-11-17 07:50:35,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:50:35,851 INFO L225 Difference]: With dead ends: 16304 [2021-11-17 07:50:35,851 INFO L226 Difference]: Without dead ends: 16302 [2021-11-17 07:50:35,925 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:50:35,927 INFO L933 BasicCegarLoop]: 1654 mSDtfsCounter, 1565 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 684 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 5157 SdHoareTripleChecker+Invalid, 1865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 684 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 07:50:35,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 5157 Invalid, 1865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [684 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 07:50:35,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16302 states. [2021-11-17 07:50:36,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16302 to 16242. [2021-11-17 07:50:36,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16242 states, 11008 states have (on average 1.2599018895348837) internal successors, (13869), 11392 states have internal predecessors, (13869), 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) [2021-11-17 07:50:36,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16242 states to 16242 states and 22671 transitions. [2021-11-17 07:50:36,492 INFO L78 Accepts]: Start accepts. Automaton has 16242 states and 22671 transitions. Word has length 196 [2021-11-17 07:50:36,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:50:36,492 INFO L470 AbstractCegarLoop]: Abstraction has 16242 states and 22671 transitions. [2021-11-17 07:50:36,493 INFO L471 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) [2021-11-17 07:50:36,493 INFO L276 IsEmpty]: Start isEmpty. Operand 16242 states and 22671 transitions. [2021-11-17 07:50:36,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-17 07:50:36,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:50:36,496 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:50:36,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 07:50:36,497 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:50:36,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:50:36,497 INFO L85 PathProgramCache]: Analyzing trace with hash 251087401, now seen corresponding path program 1 times [2021-11-17 07:50:36,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:50:36,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735229260] [2021-11-17 07:50:36,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:50:36,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:50:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:50:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:50:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:50:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:50:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:50:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:50:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:50:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:50:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:50:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:50:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:50:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:50:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:50:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:50:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:50:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:50:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 07:50:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 07:50:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 07:50:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 07:50:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 07:50:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 07:50:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 07:50:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:36,808 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2021-11-17 07:50:36,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:50:36,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735229260] [2021-11-17 07:50:36,809 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735229260] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:50:36,809 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:50:36,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:50:36,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255912315] [2021-11-17 07:50:36,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:50:36,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:50:36,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:50:36,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:50:36,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:50:36,810 INFO L87 Difference]: Start difference. First operand 16242 states and 22671 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) [2021-11-17 07:50:39,401 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:41,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:50:41,363 INFO L93 Difference]: Finished difference Result 19210 states and 26429 transitions. [2021-11-17 07:50:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 07:50:41,364 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 [2021-11-17 07:50:41,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:50:41,407 INFO L225 Difference]: With dead ends: 19210 [2021-11-17 07:50:41,408 INFO L226 Difference]: Without dead ends: 19208 [2021-11-17 07:50:41,413 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:50:41,414 INFO L933 BasicCegarLoop]: 1798 mSDtfsCounter, 1255 mSDsluCounter, 4178 mSDsCounter, 0 mSdLazyCounter, 1861 mSolverCounterSat, 678 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1460 SdHoareTripleChecker+Valid, 5976 SdHoareTripleChecker+Invalid, 2540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 1861 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-17 07:50:41,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1460 Valid, 5976 Invalid, 2540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 1861 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-11-17 07:50:41,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19208 states. [2021-11-17 07:50:42,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19208 to 19111. [2021-11-17 07:50:42,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19111 states, 12697 states have (on average 1.2435220918327163) internal successors, (15789), 13132 states have internal predecessors, (15789), 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) [2021-11-17 07:50:42,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19111 states to 19111 states and 26301 transitions. [2021-11-17 07:50:42,158 INFO L78 Accepts]: Start accepts. Automaton has 19111 states and 26301 transitions. Word has length 201 [2021-11-17 07:50:42,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:50:42,159 INFO L470 AbstractCegarLoop]: Abstraction has 19111 states and 26301 transitions. [2021-11-17 07:50:42,159 INFO L471 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) [2021-11-17 07:50:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 19111 states and 26301 transitions. [2021-11-17 07:50:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-17 07:50:42,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:50:42,163 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:50:42,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 07:50:42,163 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:50:42,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:50:42,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1008839133, now seen corresponding path program 1 times [2021-11-17 07:50:42,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:50:42,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221968788] [2021-11-17 07:50:42,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:50:42,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:50:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:50:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:50:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:50:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:50:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:50:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:50:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:50:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:50:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:50:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:50:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:50:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:50:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:50:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:50:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:50:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:50:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 07:50:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 07:50:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 07:50:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 07:50:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 07:50:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 07:50:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 07:50:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:50:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:42,420 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-11-17 07:50:42,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:50:42,420 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221968788] [2021-11-17 07:50:42,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221968788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:50:42,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:50:42,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:50:42,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153399428] [2021-11-17 07:50:42,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:50:42,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:50:42,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:50:42,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:50:42,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:50:42,424 INFO L87 Difference]: Start difference. First operand 19111 states and 26301 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) [2021-11-17 07:50:45,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:46,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:50:46,568 INFO L93 Difference]: Finished difference Result 19189 states and 26409 transitions. [2021-11-17 07:50:46,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:50:46,569 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 [2021-11-17 07:50:46,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:50:46,635 INFO L225 Difference]: With dead ends: 19189 [2021-11-17 07:50:46,635 INFO L226 Difference]: Without dead ends: 19187 [2021-11-17 07:50:46,648 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:50:46,649 INFO L933 BasicCegarLoop]: 1654 mSDtfsCounter, 1565 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 682 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 5157 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 07:50:46,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 5157 Invalid, 1863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [682 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 07:50:46,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19187 states. [2021-11-17 07:50:47,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19187 to 19115. [2021-11-17 07:50:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19115 states, 12700 states have (on average 1.2434645669291338) internal successors, (15792), 13135 states have internal predecessors, (15792), 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) [2021-11-17 07:50:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19115 states to 19115 states and 26304 transitions. [2021-11-17 07:50:47,456 INFO L78 Accepts]: Start accepts. Automaton has 19115 states and 26304 transitions. Word has length 206 [2021-11-17 07:50:47,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:50:47,457 INFO L470 AbstractCegarLoop]: Abstraction has 19115 states and 26304 transitions. [2021-11-17 07:50:47,457 INFO L471 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) [2021-11-17 07:50:47,457 INFO L276 IsEmpty]: Start isEmpty. Operand 19115 states and 26304 transitions. [2021-11-17 07:50:47,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-17 07:50:47,460 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:50:47,461 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:50:47,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 07:50:47,461 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:50:47,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:50:47,461 INFO L85 PathProgramCache]: Analyzing trace with hash -479516435, now seen corresponding path program 1 times [2021-11-17 07:50:47,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:50:47,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437340777] [2021-11-17 07:50:47,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:50:47,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:50:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:50:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:50:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:50:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:50:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:50:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:50:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:50:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:50:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:50:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:50:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:50:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:50:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:50:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:50:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:50:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 07:50:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 07:50:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 07:50:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-11-17 07:50:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:50:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:50:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:47,652 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2021-11-17 07:50:47,652 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:50:47,652 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437340777] [2021-11-17 07:50:47,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437340777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:50:47,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:50:47,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:50:47,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593058534] [2021-11-17 07:50:47,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:50:47,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:50:47,653 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:50:47,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:50:47,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:50:47,654 INFO L87 Difference]: Start difference. First operand 19115 states and 26304 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) [2021-11-17 07:50:50,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:51,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:50:51,883 INFO L93 Difference]: Finished difference Result 41790 states and 57458 transitions. [2021-11-17 07:50:51,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:50:51,884 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 [2021-11-17 07:50:51,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:50:51,952 INFO L225 Difference]: With dead ends: 41790 [2021-11-17 07:50:51,952 INFO L226 Difference]: Without dead ends: 22764 [2021-11-17 07:50:52,007 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:50:52,007 INFO L933 BasicCegarLoop]: 2176 mSDtfsCounter, 747 mSDsluCounter, 2325 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 538 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 909 SdHoareTripleChecker+Valid, 4501 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 538 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 07:50:52,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [909 Valid, 4501 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [538 Valid, 993 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 07:50:52,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22764 states. [2021-11-17 07:50:52,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22764 to 22503. [2021-11-17 07:50:52,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22503 states, 15108 states have (on average 1.2404686258935662) internal successors, (18741), 15643 states have internal predecessors, (18741), 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) [2021-11-17 07:50:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22503 states to 22503 states and 30781 transitions. [2021-11-17 07:50:53,066 INFO L78 Accepts]: Start accepts. Automaton has 22503 states and 30781 transitions. Word has length 207 [2021-11-17 07:50:53,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:50:53,067 INFO L470 AbstractCegarLoop]: Abstraction has 22503 states and 30781 transitions. [2021-11-17 07:50:53,067 INFO L471 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) [2021-11-17 07:50:53,067 INFO L276 IsEmpty]: Start isEmpty. Operand 22503 states and 30781 transitions. [2021-11-17 07:50:53,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-17 07:50:53,069 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:50:53,070 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:50:53,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 07:50:53,070 INFO L402 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)] === [2021-11-17 07:50:53,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:50:53,070 INFO L85 PathProgramCache]: Analyzing trace with hash 2002701865, now seen corresponding path program 1 times [2021-11-17 07:50:53,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:50:53,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743421658] [2021-11-17 07:50:53,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:50:53,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:50:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:50:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:50:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:50:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:50:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:50:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:50:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:50:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:50:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:50:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:50:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:50:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:50:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:50:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:50:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 07:50:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:50:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 07:50:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 07:50:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 07:50:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-17 07:50:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 07:50:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 07:50:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 07:50:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:50:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 07:50:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2021-11-17 07:50:53,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:50:53,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743421658] [2021-11-17 07:50:53,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743421658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:50:53,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:50:53,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:50:53,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607229755] [2021-11-17 07:50:53,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:50:53,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:50:53,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:50:53,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:50:53,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:50:53,310 INFO L87 Difference]: Start difference. First operand 22503 states and 30781 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) [2021-11-17 07:50:55,834 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:50:57,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:50:57,431 INFO L93 Difference]: Finished difference Result 22581 states and 30895 transitions. [2021-11-17 07:50:57,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 07:50:57,440 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 [2021-11-17 07:50:57,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:50:57,503 INFO L225 Difference]: With dead ends: 22581 [2021-11-17 07:50:57,503 INFO L226 Difference]: Without dead ends: 22577 [2021-11-17 07:50:57,514 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:50:57,515 INFO L933 BasicCegarLoop]: 1654 mSDtfsCounter, 1565 mSDsluCounter, 3503 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 681 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1786 SdHoareTripleChecker+Valid, 5157 SdHoareTripleChecker+Invalid, 1862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 681 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-17 07:50:57,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1786 Valid, 5157 Invalid, 1862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [681 Valid, 1180 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-17 07:50:57,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22577 states. [2021-11-17 07:50:58,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22577 to 22505. [2021-11-17 07:50:58,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22505 states, 15110 states have (on average 1.240370615486433) internal successors, (18742), 15644 states have internal predecessors, (18742), 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) [2021-11-17 07:50:58,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22505 states to 22505 states and 30782 transitions. [2021-11-17 07:50:58,454 INFO L78 Accepts]: Start accepts. Automaton has 22505 states and 30782 transitions. Word has length 211 [2021-11-17 07:50:58,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:50:58,454 INFO L470 AbstractCegarLoop]: Abstraction has 22505 states and 30782 transitions. [2021-11-17 07:50:58,454 INFO L471 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) [2021-11-17 07:50:58,454 INFO L276 IsEmpty]: Start isEmpty. Operand 22505 states and 30782 transitions. [2021-11-17 07:50:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-17 07:50:58,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:50:58,457 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:50:58,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 07:50:58,457 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:50:58,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:50:58,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1243933342, now seen corresponding path program 1 times [2021-11-17 07:50:58,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:50:58,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23094719] [2021-11-17 07:50:58,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:50:58,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:50:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:50:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:50:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:50:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:50:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:50:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:50:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:50:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:50:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:50:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:50:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:50:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 07:50:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 07:50:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 07:50:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 07:50:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-11-17 07:50:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 07:50:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 07:50:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 07:50:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:50:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:50:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-17 07:50:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:50:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-17 07:50:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 07:50:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 07:50:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 07:50:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 07:50:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 07:50:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 07:50:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 07:50:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 07:50:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:50:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2021-11-17 07:50:58,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:50:58,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23094719] [2021-11-17 07:50:58,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23094719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:50:58,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:50:58,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 07:50:58,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107879433] [2021-11-17 07:50:58,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:50:58,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 07:50:58,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:50:58,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 07:50:58,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:50:58,707 INFO L87 Difference]: Start difference. First operand 22505 states and 30782 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) [2021-11-17 07:51:01,420 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:51:03,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:51:03,482 INFO L93 Difference]: Finished difference Result 22739 states and 31179 transitions. [2021-11-17 07:51:03,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 07:51:03,483 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 [2021-11-17 07:51:03,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:51:03,556 INFO L225 Difference]: With dead ends: 22739 [2021-11-17 07:51:03,556 INFO L226 Difference]: Without dead ends: 22419 [2021-11-17 07:51:03,567 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:51:03,568 INFO L933 BasicCegarLoop]: 1615 mSDtfsCounter, 1850 mSDsluCounter, 4107 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 1227 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2050 SdHoareTripleChecker+Valid, 5722 SdHoareTripleChecker+Invalid, 2939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1227 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-17 07:51:03,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2050 Valid, 5722 Invalid, 2939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1227 Valid, 1711 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-11-17 07:51:03,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2021-11-17 07:51:04,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22185. [2021-11-17 07:51:04,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22185 states, 14905 states have (on average 1.2392485743039248) internal successors, (18471), 15403 states have internal predecessors, (18471), 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) [2021-11-17 07:51:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22185 states to 22185 states and 30323 transitions. [2021-11-17 07:51:04,711 INFO L78 Accepts]: Start accepts. Automaton has 22185 states and 30323 transitions. Word has length 255 [2021-11-17 07:51:04,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:51:04,711 INFO L470 AbstractCegarLoop]: Abstraction has 22185 states and 30323 transitions. [2021-11-17 07:51:04,711 INFO L471 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) [2021-11-17 07:51:04,712 INFO L276 IsEmpty]: Start isEmpty. Operand 22185 states and 30323 transitions. [2021-11-17 07:51:04,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-17 07:51:04,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:51:04,716 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:51:04,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-17 07:51:04,716 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:51:04,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:51:04,717 INFO L85 PathProgramCache]: Analyzing trace with hash -459742446, now seen corresponding path program 1 times [2021-11-17 07:51:04,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:51:04,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479167949] [2021-11-17 07:51:04,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:51:04,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:51:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:51:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:51:04,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:51:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:51:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:51:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:51:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:51:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:51:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:51:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:51:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:51:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:51:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:51:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:51:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:51:04,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:51:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:51:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:51:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:51:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:51:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 07:51:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 07:51:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:51:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 07:51:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 07:51:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 07:51:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:04,970 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2021-11-17 07:51:04,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:51:04,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479167949] [2021-11-17 07:51:04,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479167949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:51:04,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:51:04,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:51:04,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704255055] [2021-11-17 07:51:04,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:51:04,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:51:04,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:51:04,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:51:04,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:51:04,973 INFO L87 Difference]: Start difference. First operand 22185 states and 30323 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) [2021-11-17 07:51:07,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:51:09,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:51:09,651 INFO L93 Difference]: Finished difference Result 47639 states and 65108 transitions. [2021-11-17 07:51:09,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:51:09,652 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 [2021-11-17 07:51:09,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:51:09,736 INFO L225 Difference]: With dead ends: 47639 [2021-11-17 07:51:09,736 INFO L226 Difference]: Without dead ends: 25471 [2021-11-17 07:51:09,784 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:51:09,785 INFO L933 BasicCegarLoop]: 2120 mSDtfsCounter, 718 mSDsluCounter, 2296 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 461 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 863 SdHoareTripleChecker+Valid, 4416 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-17 07:51:09,785 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [863 Valid, 4416 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 928 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2021-11-17 07:51:09,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25471 states. [2021-11-17 07:51:10,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25471 to 25259. [2021-11-17 07:51:10,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25259 states, 17101 states have (on average 1.2381147301327409) internal successors, (21173), 17687 states have internal predecessors, (21173), 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) [2021-11-17 07:51:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25259 states to 25259 states and 34411 transitions. [2021-11-17 07:51:10,915 INFO L78 Accepts]: Start accepts. Automaton has 25259 states and 34411 transitions. Word has length 258 [2021-11-17 07:51:10,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:51:10,916 INFO L470 AbstractCegarLoop]: Abstraction has 25259 states and 34411 transitions. [2021-11-17 07:51:10,916 INFO L471 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) [2021-11-17 07:51:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 25259 states and 34411 transitions. [2021-11-17 07:51:10,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-17 07:51:10,920 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:51:10,920 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:51:10,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-17 07:51:10,920 INFO L402 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)] === [2021-11-17 07:51:10,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:51:10,921 INFO L85 PathProgramCache]: Analyzing trace with hash -877139052, now seen corresponding path program 1 times [2021-11-17 07:51:10,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:51:10,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025577031] [2021-11-17 07:51:10,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:51:10,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:51:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:51:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:51:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:51:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:51:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:51:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:51:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:51:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:51:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:51:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:51:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:51:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:51:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:51:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:51:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:51:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:51:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:51:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:51:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:51:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:51:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-17 07:51:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-17 07:51:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:51:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 07:51:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:11,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 07:51:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 07:51:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:11,139 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2021-11-17 07:51:11,140 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:51:11,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025577031] [2021-11-17 07:51:11,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025577031] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:51:11,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:51:11,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:51:11,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392582961] [2021-11-17 07:51:11,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:51:11,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:51:11,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:51:11,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:51:11,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:51:11,143 INFO L87 Difference]: Start difference. First operand 25259 states and 34411 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) [2021-11-17 07:51:13,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:51:16,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:51:16,153 INFO L93 Difference]: Finished difference Result 54205 states and 73791 transitions. [2021-11-17 07:51:16,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:51:16,154 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 [2021-11-17 07:51:16,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:51:16,253 INFO L225 Difference]: With dead ends: 54205 [2021-11-17 07:51:16,253 INFO L226 Difference]: Without dead ends: 29035 [2021-11-17 07:51:16,322 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:51:16,323 INFO L933 BasicCegarLoop]: 2195 mSDtfsCounter, 936 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 503 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 4472 SdHoareTripleChecker+Invalid, 1483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-17 07:51:16,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1122 Valid, 4472 Invalid, 1483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 979 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-17 07:51:16,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29035 states. [2021-11-17 07:51:17,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29035 to 28791. [2021-11-17 07:51:17,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28791 states, 19598 states have (on average 1.2346157771201143) internal successors, (24196), 20272 states have internal predecessors, (24196), 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) [2021-11-17 07:51:17,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28791 states to 28791 states and 39014 transitions. [2021-11-17 07:51:17,749 INFO L78 Accepts]: Start accepts. Automaton has 28791 states and 39014 transitions. Word has length 258 [2021-11-17 07:51:17,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:51:17,750 INFO L470 AbstractCegarLoop]: Abstraction has 28791 states and 39014 transitions. [2021-11-17 07:51:17,750 INFO L471 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) [2021-11-17 07:51:17,750 INFO L276 IsEmpty]: Start isEmpty. Operand 28791 states and 39014 transitions. [2021-11-17 07:51:17,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-17 07:51:17,756 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:51:17,757 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:51:17,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-17 07:51:17,757 INFO L402 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)] === [2021-11-17 07:51:17,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:51:17,758 INFO L85 PathProgramCache]: Analyzing trace with hash -823126135, now seen corresponding path program 1 times [2021-11-17 07:51:17,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:51:17,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575061772] [2021-11-17 07:51:17,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:51:17,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:51:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:51:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:51:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:51:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:51:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:51:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:51:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:51:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:51:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:51:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:51:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:51:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:51:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:51:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:51:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:51:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:51:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:51:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:51:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:51:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:51:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:51:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:51:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:51:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:51:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 07:51:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:17,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:18,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 07:51:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:18,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 07:51:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 07:51:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 07:51:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 07:51:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 07:51:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:18,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:18,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 07:51:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:18,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 07:51:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2021-11-17 07:51:18,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:51:18,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575061772] [2021-11-17 07:51:18,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575061772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:51:18,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:51:18,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:51:18,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144537973] [2021-11-17 07:51:18,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:51:18,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:51:18,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:51:18,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:51:18,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:51:18,028 INFO L87 Difference]: Start difference. First operand 28791 states and 39014 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) [2021-11-17 07:51:20,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:51:23,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:51:23,040 INFO L93 Difference]: Finished difference Result 60851 states and 82510 transitions. [2021-11-17 07:51:23,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:51:23,041 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 [2021-11-17 07:51:23,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:51:23,151 INFO L225 Difference]: With dead ends: 60851 [2021-11-17 07:51:23,151 INFO L226 Difference]: Without dead ends: 32163 [2021-11-17 07:51:23,217 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:51:23,218 INFO L933 BasicCegarLoop]: 1893 mSDtfsCounter, 771 mSDsluCounter, 2167 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 506 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 4060 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 07:51:23,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [918 Valid, 4060 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 927 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 07:51:23,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32163 states. [2021-11-17 07:51:24,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32163 to 31949. [2021-11-17 07:51:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31949 states, 21868 states have (on average 1.2342692518748857) internal successors, (26991), 22630 states have internal predecessors, (26991), 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) [2021-11-17 07:51:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31949 states to 31949 states and 43207 transitions. [2021-11-17 07:51:24,728 INFO L78 Accepts]: Start accepts. Automaton has 31949 states and 43207 transitions. Word has length 339 [2021-11-17 07:51:24,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:51:24,729 INFO L470 AbstractCegarLoop]: Abstraction has 31949 states and 43207 transitions. [2021-11-17 07:51:24,729 INFO L471 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) [2021-11-17 07:51:24,729 INFO L276 IsEmpty]: Start isEmpty. Operand 31949 states and 43207 transitions. [2021-11-17 07:51:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2021-11-17 07:51:24,735 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:51:24,735 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:51:24,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-17 07:51:24,735 INFO L402 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)] === [2021-11-17 07:51:24,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:51:24,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1240522741, now seen corresponding path program 1 times [2021-11-17 07:51:24,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:51:24,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264834974] [2021-11-17 07:51:24,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:51:24,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:51:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:51:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:51:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:51:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:51:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:51:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:51:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:51:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:51:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:51:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:51:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:51:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:51:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:51:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:51:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:51:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:51:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:51:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:51:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:51:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:51:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:51:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:51:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:51:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:51:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 07:51:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 07:51:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 07:51:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:25,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 07:51:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 07:51:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:25,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 07:51:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:25,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 07:51:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:25,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 07:51:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 07:51:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:25,023 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2021-11-17 07:51:25,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:51:25,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264834974] [2021-11-17 07:51:25,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264834974] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:51:25,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:51:25,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:51:25,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939796763] [2021-11-17 07:51:25,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:51:25,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:51:25,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:51:25,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:51:25,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:51:25,026 INFO L87 Difference]: Start difference. First operand 31949 states and 43207 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) [2021-11-17 07:51:27,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:51:30,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:51:30,481 INFO L93 Difference]: Finished difference Result 67311 states and 91082 transitions. [2021-11-17 07:51:30,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:51:30,482 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 [2021-11-17 07:51:30,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:51:30,645 INFO L225 Difference]: With dead ends: 67311 [2021-11-17 07:51:30,645 INFO L226 Difference]: Without dead ends: 35465 [2021-11-17 07:51:30,709 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:51:30,710 INFO L933 BasicCegarLoop]: 2156 mSDtfsCounter, 734 mSDsluCounter, 2313 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 453 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 4469 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-11-17 07:51:30,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [881 Valid, 4469 Invalid, 1389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 935 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-11-17 07:51:30,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35465 states. [2021-11-17 07:51:32,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35465 to 35251. [2021-11-17 07:51:32,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35251 states, 24258 states have (on average 1.2338197707972627) internal successors, (29930), 25108 states have internal predecessors, (29930), 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) [2021-11-17 07:51:32,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35251 states to 35251 states and 47568 transitions. [2021-11-17 07:51:32,395 INFO L78 Accepts]: Start accepts. Automaton has 35251 states and 47568 transitions. Word has length 339 [2021-11-17 07:51:32,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:51:32,396 INFO L470 AbstractCegarLoop]: Abstraction has 35251 states and 47568 transitions. [2021-11-17 07:51:32,396 INFO L471 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) [2021-11-17 07:51:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 35251 states and 47568 transitions. [2021-11-17 07:51:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-11-17 07:51:32,404 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:51:32,404 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:51:32,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-17 07:51:32,405 INFO L402 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)] === [2021-11-17 07:51:32,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:51:32,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1004437055, now seen corresponding path program 1 times [2021-11-17 07:51:32,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:51:32,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131237428] [2021-11-17 07:51:32,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:51:32,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:51:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:51:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:51:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:51:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:51:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:51:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:51:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:51:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:51:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:51:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:51:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:51:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:51:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:51:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:51:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:51:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:51:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:51:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:51:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:51:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:51:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:51:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:51:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:51:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:51:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 07:51:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 07:51:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 07:51:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 07:51:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 07:51:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 07:51:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 07:51:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 07:51:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 07:51:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 07:51:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 07:51:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 07:51:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2021-11-17 07:51:32,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:51:32,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131237428] [2021-11-17 07:51:32,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131237428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:51:32,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:51:32,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:51:32,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599827490] [2021-11-17 07:51:32,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:51:32,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:51:32,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:51:32,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:51:32,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:51:32,822 INFO L87 Difference]: Start difference. First operand 35251 states and 47568 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) [2021-11-17 07:51:35,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:51:37,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:51:37,830 INFO L93 Difference]: Finished difference Result 35380 states and 47755 transitions. [2021-11-17 07:51:37,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 07:51:37,831 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 [2021-11-17 07:51:37,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:51:38,000 INFO L225 Difference]: With dead ends: 35380 [2021-11-17 07:51:38,000 INFO L226 Difference]: Without dead ends: 35378 [2021-11-17 07:51:38,012 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:51:38,012 INFO L933 BasicCegarLoop]: 1758 mSDtfsCounter, 1172 mSDsluCounter, 4130 mSDsCounter, 0 mSdLazyCounter, 1792 mSolverCounterSat, 624 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1357 SdHoareTripleChecker+Valid, 5888 SdHoareTripleChecker+Invalid, 2417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 624 IncrementalHoareTripleChecker+Valid, 1792 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-17 07:51:38,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1357 Valid, 5888 Invalid, 2417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [624 Valid, 1792 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-11-17 07:51:38,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35378 states. [2021-11-17 07:51:39,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35378 to 35251. [2021-11-17 07:51:39,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35251 states, 24258 states have (on average 1.2309753483386925) internal successors, (29861), 25108 states have internal predecessors, (29861), 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) [2021-11-17 07:51:39,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35251 states to 35251 states and 47499 transitions. [2021-11-17 07:51:39,567 INFO L78 Accepts]: Start accepts. Automaton has 35251 states and 47499 transitions. Word has length 378 [2021-11-17 07:51:39,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:51:39,567 INFO L470 AbstractCegarLoop]: Abstraction has 35251 states and 47499 transitions. [2021-11-17 07:51:39,568 INFO L471 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) [2021-11-17 07:51:39,568 INFO L276 IsEmpty]: Start isEmpty. Operand 35251 states and 47499 transitions. [2021-11-17 07:51:39,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2021-11-17 07:51:39,593 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:51:39,593 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:51:39,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-17 07:51:39,594 INFO L402 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)] === [2021-11-17 07:51:39,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:51:39,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1943521103, now seen corresponding path program 1 times [2021-11-17 07:51:39,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:51:39,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915848595] [2021-11-17 07:51:39,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:51:39,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:51:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:51:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:51:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:51:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:51:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:51:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:51:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:51:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:51:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:51:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:51:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:51:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:51:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:51:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:51:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:51:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:51:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:51:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:51:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:51:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:51:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:51:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:51:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:51:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:51:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 07:51:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 07:51:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 07:51:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 07:51:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-11-17 07:51:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:51:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-11-17 07:51:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 07:51:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 07:51:39,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 07:51:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 07:51:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 07:51:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 07:51:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-11-17 07:51:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 07:51:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 07:51:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 07:51:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 07:51:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 07:51:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 07:51:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-11-17 07:51:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-17 07:51:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 07:51:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 07:51:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:39,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:40,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 07:51:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:40,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-11-17 07:51:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:40,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-11-17 07:51:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:40,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 07:51:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:40,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 07:51:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:40,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-11-17 07:51:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:40,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 07:51:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 07:51:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1448 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1434 trivial. 0 not checked. [2021-11-17 07:51:40,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:51:40,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915848595] [2021-11-17 07:51:40,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915848595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:51:40,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:51:40,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 07:51:40,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911924583] [2021-11-17 07:51:40,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:51:40,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 07:51:40,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:51:40,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 07:51:40,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 07:51:40,057 INFO L87 Difference]: Start difference. First operand 35251 states and 47499 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) [2021-11-17 07:51:42,418 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:51:44,426 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:51:47,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:51:49,108 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:51:53,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:51:53,186 INFO L93 Difference]: Finished difference Result 104763 states and 144404 transitions. [2021-11-17 07:51:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 07:51:53,187 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 [2021-11-17 07:51:53,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:51:53,411 INFO L225 Difference]: With dead ends: 104763 [2021-11-17 07:51:53,411 INFO L226 Difference]: Without dead ends: 69615 [2021-11-17 07:51:53,502 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:51:53,503 INFO L933 BasicCegarLoop]: 2340 mSDtfsCounter, 2144 mSDsluCounter, 5757 mSDsCounter, 0 mSdLazyCounter, 2193 mSolverCounterSat, 1047 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2371 SdHoareTripleChecker+Valid, 8097 SdHoareTripleChecker+Invalid, 3244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1047 IncrementalHoareTripleChecker+Valid, 2193 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-11-17 07:51:53,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2371 Valid, 8097 Invalid, 3244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1047 Valid, 2193 Invalid, 4 Unknown, 0 Unchecked, 10.3s Time] [2021-11-17 07:51:53,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69615 states. [2021-11-17 07:51:55,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69615 to 33961. [2021-11-17 07:51:55,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33961 states, 23388 states have (on average 1.2280229177355908) internal successors, (28721), 24178 states have internal predecessors, (28721), 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) [2021-11-17 07:51:55,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33961 states to 33961 states and 45531 transitions. [2021-11-17 07:51:55,784 INFO L78 Accepts]: Start accepts. Automaton has 33961 states and 45531 transitions. Word has length 525 [2021-11-17 07:51:55,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:51:55,784 INFO L470 AbstractCegarLoop]: Abstraction has 33961 states and 45531 transitions. [2021-11-17 07:51:55,784 INFO L471 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) [2021-11-17 07:51:55,784 INFO L276 IsEmpty]: Start isEmpty. Operand 33961 states and 45531 transitions. [2021-11-17 07:51:55,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 870 [2021-11-17 07:51:55,800 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:51:55,801 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:51:55,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-17 07:51:55,801 INFO L402 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)] === [2021-11-17 07:51:55,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:51:55,802 INFO L85 PathProgramCache]: Analyzing trace with hash -816528391, now seen corresponding path program 1 times [2021-11-17 07:51:55,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:51:55,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284221974] [2021-11-17 07:51:55,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:51:55,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:51:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:51:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:51:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:51:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:51:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:51:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:51:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:51:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:51:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:51:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:51:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:51:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:51:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:51:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:51:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:51:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:51:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:51:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:51:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:51:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:51:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:51:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:51:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:51:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:51:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 07:51:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 07:51:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 07:51:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 07:51:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 07:51:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 07:51:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 07:51:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 07:51:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 07:51:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 07:51:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 07:51:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 07:51:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 07:51:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 07:51:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 07:51:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 07:51:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:51:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 07:51:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 07:51:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 07:51:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:51:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 07:51:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 07:51:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 07:51:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 07:51:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 07:51:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 07:51:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:51:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 07:51:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 07:51:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 07:51:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 07:51:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:51:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:51:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 07:51:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:51:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:51:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 858 [2021-11-17 07:51:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:51:56,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4646 trivial. 0 not checked. [2021-11-17 07:51:56,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:51:56,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284221974] [2021-11-17 07:51:56,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284221974] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:51:56,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:51:56,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 07:51:56,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29112207] [2021-11-17 07:51:56,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:51:56,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 07:51:56,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:51:56,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 07:51:56,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:51:56,651 INFO L87 Difference]: Start difference. First operand 33961 states and 45531 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) [2021-11-17 07:51:59,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:52:02,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:52:02,918 INFO L93 Difference]: Finished difference Result 69024 states and 93155 transitions. [2021-11-17 07:52:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 07:52:02,920 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 [2021-11-17 07:52:02,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:52:03,029 INFO L225 Difference]: With dead ends: 69024 [2021-11-17 07:52:03,029 INFO L226 Difference]: Without dead ends: 35166 [2021-11-17 07:52:03,123 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:52:03,124 INFO L933 BasicCegarLoop]: 1552 mSDtfsCounter, 1198 mSDsluCounter, 3228 mSDsCounter, 0 mSdLazyCounter, 1811 mSolverCounterSat, 1745 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 4780 SdHoareTripleChecker+Invalid, 3557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1745 IncrementalHoareTripleChecker+Valid, 1811 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-17 07:52:03,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1228 Valid, 4780 Invalid, 3557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1745 Valid, 1811 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-17 07:52:03,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35166 states. [2021-11-17 07:52:04,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35166 to 33985. [2021-11-17 07:52:04,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33985 states, 23412 states have (on average 1.2277891679480608) internal successors, (28745), 24202 states have internal predecessors, (28745), 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) [2021-11-17 07:52:04,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33985 states to 33985 states and 45555 transitions. [2021-11-17 07:52:04,932 INFO L78 Accepts]: Start accepts. Automaton has 33985 states and 45555 transitions. Word has length 869 [2021-11-17 07:52:04,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:52:04,932 INFO L470 AbstractCegarLoop]: Abstraction has 33985 states and 45555 transitions. [2021-11-17 07:52:04,932 INFO L471 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) [2021-11-17 07:52:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 33985 states and 45555 transitions. [2021-11-17 07:52:04,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 613 [2021-11-17 07:52:04,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:52:04,953 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:52:04,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-17 07:52:04,954 INFO L402 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)] === [2021-11-17 07:52:04,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:52:04,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1532745856, now seen corresponding path program 1 times [2021-11-17 07:52:04,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:52:04,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314384614] [2021-11-17 07:52:04,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:52:04,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:52:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:52:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:52:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:52:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:52:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:52:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:52:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:52:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:52:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:52:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:52:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:52:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:52:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:52:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:52:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:52:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:52:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:52:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:52:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:52:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:52:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:52:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:52:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 07:52:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 07:52:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 07:52:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 07:52:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:52:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 07:52:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 07:52:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 07:52:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 07:52:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 07:52:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 07:52:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 07:52:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 07:52:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 07:52:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 07:52:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 07:52:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-17 07:52:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 07:52:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 07:52:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 07:52:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-17 07:52:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 07:52:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 07:52:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2021-11-17 07:52:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 07:52:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-11-17 07:52:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-11-17 07:52:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-11-17 07:52:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-11-17 07:52:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-11-17 07:52:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 07:52:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-11-17 07:52:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 07:52:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-11-17 07:52:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-11-17 07:52:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-11-17 07:52:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:05,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1667 trivial. 0 not checked. [2021-11-17 07:52:05,424 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:52:05,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314384614] [2021-11-17 07:52:05,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314384614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:52:05,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:52:05,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 07:52:05,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714910346] [2021-11-17 07:52:05,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:52:05,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 07:52:05,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:52:05,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 07:52:05,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:52:05,425 INFO L87 Difference]: Start difference. First operand 33985 states and 45555 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) [2021-11-17 07:52:07,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:52:11,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:52:11,548 INFO L93 Difference]: Finished difference Result 69060 states and 93092 transitions. [2021-11-17 07:52:11,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 07:52:11,548 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 [2021-11-17 07:52:11,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:52:11,669 INFO L225 Difference]: With dead ends: 69060 [2021-11-17 07:52:11,669 INFO L226 Difference]: Without dead ends: 35178 [2021-11-17 07:52:11,755 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:52:11,755 INFO L933 BasicCegarLoop]: 1553 mSDtfsCounter, 1198 mSDsluCounter, 3228 mSDsCounter, 0 mSdLazyCounter, 1812 mSolverCounterSat, 1768 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 4781 SdHoareTripleChecker+Invalid, 3581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1768 IncrementalHoareTripleChecker+Valid, 1812 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-17 07:52:11,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1228 Valid, 4781 Invalid, 3581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1768 Valid, 1812 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-17 07:52:11,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35178 states. [2021-11-17 07:52:13,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35178 to 34093. [2021-11-17 07:52:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34093 states, 23484 states have (on average 1.2278572645205246) internal successors, (28835), 24274 states have internal predecessors, (28835), 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) [2021-11-17 07:52:13,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34093 states to 34093 states and 45717 transitions. [2021-11-17 07:52:13,692 INFO L78 Accepts]: Start accepts. Automaton has 34093 states and 45717 transitions. Word has length 612 [2021-11-17 07:52:13,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:52:13,692 INFO L470 AbstractCegarLoop]: Abstraction has 34093 states and 45717 transitions. [2021-11-17 07:52:13,692 INFO L471 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) [2021-11-17 07:52:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand 34093 states and 45717 transitions. [2021-11-17 07:52:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2021-11-17 07:52:13,718 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:52:13,718 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:52:13,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-17 07:52:13,719 INFO L402 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)] === [2021-11-17 07:52:13,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:52:13,719 INFO L85 PathProgramCache]: Analyzing trace with hash -898008674, now seen corresponding path program 1 times [2021-11-17 07:52:13,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:52:13,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428885963] [2021-11-17 07:52:13,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:52:13,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:52:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:52:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:52:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:52:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:52:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:52:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:52:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:52:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:52:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:52:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:52:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:52:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:52:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:52:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:52:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:52:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:52:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:52:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:52:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:52:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:52:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:52:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:52:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 07:52:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 07:52:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 07:52:14,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 07:52:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 07:52:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 07:52:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 07:52:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 07:52:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 07:52:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 07:52:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 07:52:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 07:52:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 07:52:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 07:52:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 07:52:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 07:52:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 07:52:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 07:52:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 07:52:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:52:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 07:52:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 07:52:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 07:52:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 07:52:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 07:52:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 07:52:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:52:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 07:52:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 07:52:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 07:52:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 07:52:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 07:52:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-11-17 07:52:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2021-11-17 07:52:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2021-11-17 07:52:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:14,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5451 trivial. 0 not checked. [2021-11-17 07:52:14,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:52:14,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428885963] [2021-11-17 07:52:14,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428885963] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 07:52:14,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188999139] [2021-11-17 07:52:14,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:52:14,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 07:52:14,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 07:52:14,611 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) [2021-11-17 07:52:14,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 07:52:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:15,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 6888 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-17 07:52:15,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 07:52:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 902 proven. 1 refuted. 0 times theorem prover too weak. 4549 trivial. 0 not checked. [2021-11-17 07:52:16,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 07:52:18,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5452 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5451 trivial. 0 not checked. [2021-11-17 07:52:18,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188999139] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 07:52:18,841 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 07:52:18,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2021-11-17 07:52:18,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336990563] [2021-11-17 07:52:18,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 07:52:18,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 07:52:18,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:52:18,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 07:52:18,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-11-17 07:52:18,846 INFO L87 Difference]: Start difference. First operand 34093 states and 45717 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) [2021-11-17 07:52:21,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:52:23,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:52:27,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:52:27,764 INFO L93 Difference]: Finished difference Result 69672 states and 94103 transitions. [2021-11-17 07:52:27,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 07:52:27,765 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 [2021-11-17 07:52:27,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:52:27,886 INFO L225 Difference]: With dead ends: 69672 [2021-11-17 07:52:27,887 INFO L226 Difference]: Without dead ends: 35682 [2021-11-17 07:52:28,000 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:52:28,001 INFO L933 BasicCegarLoop]: 1552 mSDtfsCounter, 1068 mSDsluCounter, 4977 mSDsCounter, 0 mSdLazyCounter, 2896 mSolverCounterSat, 1402 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 6529 SdHoareTripleChecker+Invalid, 4300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1402 IncrementalHoareTripleChecker+Valid, 2896 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-11-17 07:52:28,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1098 Valid, 6529 Invalid, 4300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1402 Valid, 2896 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2021-11-17 07:52:28,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35682 states. [2021-11-17 07:52:29,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35682 to 34669. [2021-11-17 07:52:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34669 states, 23916 states have (on average 1.226751965211574) internal successors, (29339), 24706 states have internal predecessors, (29339), 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) [2021-11-17 07:52:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34669 states to 34669 states and 46509 transitions. [2021-11-17 07:52:29,981 INFO L78 Accepts]: Start accepts. Automaton has 34669 states and 46509 transitions. Word has length 933 [2021-11-17 07:52:29,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:52:29,982 INFO L470 AbstractCegarLoop]: Abstraction has 34669 states and 46509 transitions. [2021-11-17 07:52:29,982 INFO L471 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) [2021-11-17 07:52:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 34669 states and 46509 transitions. [2021-11-17 07:52:30,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2021-11-17 07:52:30,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:52:30,001 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:52:30,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 07:52:30,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-17 07:52:30,203 INFO L402 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)] === [2021-11-17 07:52:30,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:52:30,203 INFO L85 PathProgramCache]: Analyzing trace with hash 203714922, now seen corresponding path program 1 times [2021-11-17 07:52:30,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:52:30,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165308229] [2021-11-17 07:52:30,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:52:30,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:52:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:52:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:52:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:52:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:52:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:52:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:52:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:52:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:52:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:52:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:52:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:52:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:52:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:52:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:52:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:52:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:52:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:52:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:52:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:52:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:52:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:52:30,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:52:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 07:52:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 07:52:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 07:52:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 07:52:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:52:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 07:52:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 07:52:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 07:52:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:52:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 07:52:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 07:52:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-11-17 07:52:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 07:52:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 07:52:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 07:52:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-11-17 07:52:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-11-17 07:52:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 07:52:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 07:52:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 07:52:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 07:52:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 07:52:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 07:52:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-11-17 07:52:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 07:52:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 07:52:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-11-17 07:52:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 07:52:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2021-11-17 07:52:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2021-11-17 07:52:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-11-17 07:52:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2021-11-17 07:52:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2021-11-17 07:52:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 07:52:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2021-11-17 07:52:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2021-11-17 07:52:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2021-11-17 07:52:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:30,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1769 trivial. 0 not checked. [2021-11-17 07:52:30,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:52:30,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165308229] [2021-11-17 07:52:30,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165308229] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:52:30,957 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:52:30,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 07:52:30,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311966074] [2021-11-17 07:52:30,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:52:30,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 07:52:30,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:52:30,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 07:52:30,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 07:52:30,959 INFO L87 Difference]: Start difference. First operand 34669 states and 46509 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) [2021-11-17 07:52:33,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:52:35,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:52:39,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:52:39,493 INFO L93 Difference]: Finished difference Result 70332 states and 94550 transitions. [2021-11-17 07:52:39,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 07:52:39,494 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 [2021-11-17 07:52:39,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:52:39,736 INFO L225 Difference]: With dead ends: 70332 [2021-11-17 07:52:39,736 INFO L226 Difference]: Without dead ends: 35766 [2021-11-17 07:52:39,814 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:52:39,815 INFO L933 BasicCegarLoop]: 1552 mSDtfsCounter, 1184 mSDsluCounter, 3205 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 1745 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 4757 SdHoareTripleChecker+Invalid, 3579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1745 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-17 07:52:39,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1215 Valid, 4757 Invalid, 3579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1745 Valid, 1832 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2021-11-17 07:52:39,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35766 states. [2021-11-17 07:52:41,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35766 to 34693. [2021-11-17 07:52:41,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34693 states, 23940 states have (on average 1.2265246449456977) internal successors, (29363), 24730 states have internal predecessors, (29363), 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) [2021-11-17 07:52:41,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34693 states to 34693 states and 46533 transitions. [2021-11-17 07:52:41,597 INFO L78 Accepts]: Start accepts. Automaton has 34693 states and 46533 transitions. Word has length 644 [2021-11-17 07:52:41,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:52:41,597 INFO L470 AbstractCegarLoop]: Abstraction has 34693 states and 46533 transitions. [2021-11-17 07:52:41,597 INFO L471 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) [2021-11-17 07:52:41,597 INFO L276 IsEmpty]: Start isEmpty. Operand 34693 states and 46533 transitions. [2021-11-17 07:52:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2021-11-17 07:52:41,615 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:52:41,615 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:52:41,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-17 07:52:41,615 INFO L402 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)] === [2021-11-17 07:52:41,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:52:41,616 INFO L85 PathProgramCache]: Analyzing trace with hash 904700751, now seen corresponding path program 1 times [2021-11-17 07:52:41,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:52:41,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092016824] [2021-11-17 07:52:41,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:52:41,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:52:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:52:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:52:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:52:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:52:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:52:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:52:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:52:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:52:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:52:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:52:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:52:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:52:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:52:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:52:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:52:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:52:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:52:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:52:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:52:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:52:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:52:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:52:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 07:52:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 07:52:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 07:52:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 07:52:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:52:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 07:52:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 07:52:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 07:52:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:52:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2021-11-17 07:52:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 07:52:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-17 07:52:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 07:52:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-11-17 07:52:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-11-17 07:52:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 07:52:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 07:52:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-11-17 07:52:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-11-17 07:52:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-11-17 07:52:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 07:52:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-17 07:52:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-11-17 07:52:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-11-17 07:52:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2021-11-17 07:52:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-11-17 07:52:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-11-17 07:52:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 07:52:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 07:52:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-11-17 07:52:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2021-11-17 07:52:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-11-17 07:52:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2021-11-17 07:52:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-11-17 07:52:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 07:52:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2021-11-17 07:52:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2021-11-17 07:52:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2021-11-17 07:52:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1913 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1898 trivial. 0 not checked. [2021-11-17 07:52:42,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:52:42,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092016824] [2021-11-17 07:52:42,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092016824] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 07:52:42,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582897962] [2021-11-17 07:52:42,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:52:42,296 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 07:52:42,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 07:52:42,297 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) [2021-11-17 07:52:42,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 07:52:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:43,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 5608 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 07:52:43,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 07:52:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1913 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2021-11-17 07:52:43,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 07:52:43,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582897962] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:52:43,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 07:52:43,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-17 07:52:43,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574335344] [2021-11-17 07:52:43,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:52:43,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 07:52:43,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:52:43,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 07:52:43,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-17 07:52:43,945 INFO L87 Difference]: Start difference. First operand 34693 states and 46533 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) [2021-11-17 07:52:46,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:52:46,238 INFO L93 Difference]: Finished difference Result 81975 states and 111290 transitions. [2021-11-17 07:52:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 07:52:46,240 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 [2021-11-17 07:52:46,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:52:46,386 INFO L225 Difference]: With dead ends: 81975 [2021-11-17 07:52:46,386 INFO L226 Difference]: Without dead ends: 47385 [2021-11-17 07:52:46,466 INFO L932 BasicCegarLoop]: 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 [2021-11-17 07:52:46,466 INFO L933 BasicCegarLoop]: 2071 mSDtfsCounter, 432 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 3827 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 07:52:46,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [548 Valid, 3827 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 07:52:46,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47385 states. [2021-11-17 07:52:48,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47385 to 34717. [2021-11-17 07:52:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34717 states, 23964 states have (on average 1.2267985311300285) internal successors, (29399), 24754 states have internal predecessors, (29399), 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) [2021-11-17 07:52:48,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34717 states to 34717 states and 46569 transitions. [2021-11-17 07:52:48,436 INFO L78 Accepts]: Start accepts. Automaton has 34717 states and 46569 transitions. Word has length 678 [2021-11-17 07:52:48,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:52:48,437 INFO L470 AbstractCegarLoop]: Abstraction has 34717 states and 46569 transitions. [2021-11-17 07:52:48,437 INFO L471 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) [2021-11-17 07:52:48,437 INFO L276 IsEmpty]: Start isEmpty. Operand 34717 states and 46569 transitions. [2021-11-17 07:52:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2021-11-17 07:52:48,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:52:48,455 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 17, 17, 17, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:52:48,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-17 07:52:48,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 07:52:48,656 INFO L402 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)] === [2021-11-17 07:52:48,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:52:48,656 INFO L85 PathProgramCache]: Analyzing trace with hash 646229159, now seen corresponding path program 1 times [2021-11-17 07:52:48,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:52:48,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235650037] [2021-11-17 07:52:48,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:52:48,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:52:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:52:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:48,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:48,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:52:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:48,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:52:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:52:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:52:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:52:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:52:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:52:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:52:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:52:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:52:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:52:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:52:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:52:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:52:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:52:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:52:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:52:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:52:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:52:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:52:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:52:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 07:52:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 07:52:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 07:52:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 07:52:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:52:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 07:52:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 07:52:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 07:52:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:52:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-17 07:52:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 07:52:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 07:52:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 07:52:49,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 07:52:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 07:52:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 07:52:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-11-17 07:52:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-11-17 07:52:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-11-17 07:52:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 07:52:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-11-17 07:52:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-17 07:52:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 07:52:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-11-17 07:52:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-11-17 07:52:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-11-17 07:52:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-11-17 07:52:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 07:52:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2021-11-17 07:52:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-11-17 07:52:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2021-11-17 07:52:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2021-11-17 07:52:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2021-11-17 07:52:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2021-11-17 07:52:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2021-11-17 07:52:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 07:52:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2021-11-17 07:52:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2021-11-17 07:52:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2021-11-17 07:52:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1914 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1899 trivial. 0 not checked. [2021-11-17 07:52:49,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:52:49,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235650037] [2021-11-17 07:52:49,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235650037] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 07:52:49,343 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878871729] [2021-11-17 07:52:49,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:52:49,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 07:52:49,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 07:52:49,344 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) [2021-11-17 07:52:49,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 07:52:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:50,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 5620 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 07:52:50,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 07:52:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1914 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2021-11-17 07:52:50,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 07:52:50,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878871729] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:52:50,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 07:52:50,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-17 07:52:50,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085104477] [2021-11-17 07:52:50,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:52:50,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 07:52:50,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:52:50,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 07:52:50,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-17 07:52:50,954 INFO L87 Difference]: Start difference. First operand 34717 states and 46569 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2021-11-17 07:52:53,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:52:53,265 INFO L93 Difference]: Finished difference Result 82239 states and 111722 transitions. [2021-11-17 07:52:53,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 07:52:53,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) Word has length 684 [2021-11-17 07:52:53,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:52:53,433 INFO L225 Difference]: With dead ends: 82239 [2021-11-17 07:52:53,433 INFO L226 Difference]: Without dead ends: 47625 [2021-11-17 07:52:53,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 886 GetRequests, 879 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-17 07:52:53,531 INFO L933 BasicCegarLoop]: 2161 mSDtfsCounter, 448 mSDsluCounter, 1780 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 3941 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 07:52:53,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [567 Valid, 3941 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 07:52:53,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47625 states. [2021-11-17 07:52:55,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47625 to 34933. [2021-11-17 07:52:55,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34933 states, 24132 states have (on average 1.2272086855627382) internal successors, (29615), 24922 states have internal predecessors, (29615), 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) [2021-11-17 07:52:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34933 states to 34933 states and 46905 transitions. [2021-11-17 07:52:55,858 INFO L78 Accepts]: Start accepts. Automaton has 34933 states and 46905 transitions. Word has length 684 [2021-11-17 07:52:55,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:52:55,858 INFO L470 AbstractCegarLoop]: Abstraction has 34933 states and 46905 transitions. [2021-11-17 07:52:55,859 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 2 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (79), 2 states have call predecessors, (79), 2 states have call successors, (79) [2021-11-17 07:52:55,859 INFO L276 IsEmpty]: Start isEmpty. Operand 34933 states and 46905 transitions. [2021-11-17 07:52:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2021-11-17 07:52:55,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:52:55,877 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:52:55,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-17 07:52:56,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 07:52:56,092 INFO L402 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)] === [2021-11-17 07:52:56,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:52:56,092 INFO L85 PathProgramCache]: Analyzing trace with hash -773028180, now seen corresponding path program 1 times [2021-11-17 07:52:56,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:52:56,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028512596] [2021-11-17 07:52:56,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:52:56,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:52:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:52:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:52:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:52:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:52:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:52:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:52:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:52:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:52:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:52:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:52:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:52:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:52:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:52:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:52:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:52:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:52:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:52:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:52:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:52:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:52:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:52:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:52:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 07:52:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 07:52:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-17 07:52:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 07:52:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 07:52:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:52:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 07:52:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-17 07:52:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 07:52:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:52:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:52:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-17 07:52:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 07:52:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:52:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 07:52:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 07:52:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 07:52:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 07:52:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 07:52:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-11-17 07:52:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-11-17 07:52:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-11-17 07:52:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 07:52:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-11-17 07:52:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 07:52:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2021-11-17 07:52:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-11-17 07:52:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2021-11-17 07:52:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-11-17 07:52:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-11-17 07:52:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-11-17 07:52:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-11-17 07:52:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-11-17 07:52:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 601 [2021-11-17 07:52:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2021-11-17 07:52:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2021-11-17 07:52:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:52:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2021-11-17 07:52:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2021-11-17 07:52:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2021-11-17 07:52:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2021-11-17 07:52:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 07:52:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:52:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2021-11-17 07:52:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 697 [2021-11-17 07:52:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2021-11-17 07:52:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:56,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 1910 trivial. 0 not checked. [2021-11-17 07:52:56,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:52:56,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028512596] [2021-11-17 07:52:56,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028512596] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 07:52:56,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269146751] [2021-11-17 07:52:56,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:52:56,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 07:52:56,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 07:52:56,593 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) [2021-11-17 07:52:56,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 07:52:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:52:57,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 5763 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 07:52:57,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 07:52:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 678 proven. 0 refuted. 0 times theorem prover too weak. 1247 trivial. 0 not checked. [2021-11-17 07:52:58,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 07:52:58,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269146751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:52:58,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 07:52:58,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2021-11-17 07:52:58,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695892458] [2021-11-17 07:52:58,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:52:58,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 07:52:58,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:52:58,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 07:52:58,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-17 07:52:58,485 INFO L87 Difference]: Start difference. First operand 34933 states and 46905 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) [2021-11-17 07:53:00,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:53:00,252 INFO L93 Difference]: Finished difference Result 69043 states and 92850 transitions. [2021-11-17 07:53:00,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 07:53:00,252 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 [2021-11-17 07:53:00,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:53:00,371 INFO L225 Difference]: With dead ends: 69043 [2021-11-17 07:53:00,371 INFO L226 Difference]: Without dead ends: 34213 [2021-11-17 07:53:00,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 923 GetRequests, 916 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-11-17 07:53:00,464 INFO L933 BasicCegarLoop]: 1724 mSDtfsCounter, 1 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3444 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 [2021-11-17 07:53:00,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 3444 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 07:53:00,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34213 states. [2021-11-17 07:53:02,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34213 to 34177. [2021-11-17 07:53:02,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34177 states, 23604 states have (on average 1.2208523978986612) internal successors, (28817), 24280 states have internal predecessors, (28817), 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) [2021-11-17 07:53:02,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34177 states to 34177 states and 45645 transitions. [2021-11-17 07:53:02,330 INFO L78 Accepts]: Start accepts. Automaton has 34177 states and 45645 transitions. Word has length 713 [2021-11-17 07:53:02,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:53:02,331 INFO L470 AbstractCegarLoop]: Abstraction has 34177 states and 45645 transitions. [2021-11-17 07:53:02,331 INFO L471 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) [2021-11-17 07:53:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 34177 states and 45645 transitions. [2021-11-17 07:53:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1126 [2021-11-17 07:53:02,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:53:02,352 INFO L514 BasicCegarLoop]: 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] [2021-11-17 07:53:02,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 07:53:02,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 07:53:02,553 INFO L402 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)] === [2021-11-17 07:53:02,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:53:02,554 INFO L85 PathProgramCache]: Analyzing trace with hash 711568013, now seen corresponding path program 2 times [2021-11-17 07:53:02,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:53:02,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520783245] [2021-11-17 07:53:02,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:53:02,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:53:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:53:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:53:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:53:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:53:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:53:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:53:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:53:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 07:53:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-17 07:53:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-11-17 07:53:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 07:53:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 07:53:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 07:53:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 07:53:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:53:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-17 07:53:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:53:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:53:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:53:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 07:53:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-11-17 07:53:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 07:53:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 07:53:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 07:53:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-17 07:53:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:02,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-17 07:53:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 07:53:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 07:53:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 07:53:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 07:53:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 07:53:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 07:53:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 07:53:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 07:53:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 07:53:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 07:53:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-11-17 07:53:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 07:53:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 07:53:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 07:53:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 07:53:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 07:53:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-11-17 07:53:03,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 07:53:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:53:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-17 07:53:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 07:53:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 07:53:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-17 07:53:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 07:53:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 07:53:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 07:53:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 07:53:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 07:53:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-11-17 07:53:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 07:53:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:53:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 07:53:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 07:53:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:53:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-11-17 07:53:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-11-17 07:53:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:53:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2021-11-17 07:53:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2021-11-17 07:53:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:53:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2021-11-17 07:53:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2021-11-17 07:53:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 07:53:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 07:53:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2021-11-17 07:53:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:53:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 07:53:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1114 [2021-11-17 07:53:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:53:03,891 INFO L134 CoverageAnalysis]: Checked inductivity of 8482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8482 trivial. 0 not checked. [2021-11-17 07:53:03,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:53:03,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520783245] [2021-11-17 07:53:03,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520783245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:53:03,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:53:03,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 07:53:03,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447356231] [2021-11-17 07:53:03,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:53:03,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 07:53:03,892 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:53:03,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 07:53:03,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-17 07:53:03,893 INFO L87 Difference]: Start difference. First operand 34177 states and 45645 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) [2021-11-17 07:53:06,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:53:08,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []