./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-tun.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-tun.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 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 08:04:43,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 08:04:43,623 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 08:04:43,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 08:04:43,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 08:04:43,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 08:04:43,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 08:04:43,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 08:04:43,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 08:04:43,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 08:04:43,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 08:04:43,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 08:04:43,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 08:04:43,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 08:04:43,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 08:04:43,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 08:04:43,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 08:04:43,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 08:04:43,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 08:04:43,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 08:04:43,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 08:04:43,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 08:04:43,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 08:04:43,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 08:04:43,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 08:04:43,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 08:04:43,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 08:04:43,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 08:04:43,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 08:04:43,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 08:04:43,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 08:04:43,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 08:04:43,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 08:04:43,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 08:04:43,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 08:04:43,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 08:04:43,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 08:04:43,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 08:04:43,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 08:04:43,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 08:04:43,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 08:04:43,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 08:04:43,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 08:04:43,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 08:04:43,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 08:04:43,719 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 08:04:43,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 08:04:43,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 08:04:43,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 08:04:43,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 08:04:43,721 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 08:04:43,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 08:04:43,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 08:04:43,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 08:04:43,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 08:04:43,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 08:04:43,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 08:04:43,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 08:04:43,724 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 08:04:43,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 08:04:43,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 08:04:43,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 08:04:43,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 08:04:43,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 08:04:43,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 08:04:43,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 08:04:43,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 08:04:43,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 08:04:43,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 08:04:43,727 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 08:04:43,727 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 08:04:43,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 08:04:43,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 08:04:43,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97cecdf2f398250e9c44f19d8d35ed7fcac528daa12758af85552fae0658b596 [2021-11-17 08:04:43,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 08:04:43,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 08:04:43,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 08:04:43,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 08:04:43,968 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 08:04:43,969 INFO L432 ainManager$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-tun.cil.i [2021-11-17 08:04:44,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eef4531d/ef9b98b50e1d44c49fe8e34b0b33535a/FLAG0b31ce9b3 [2021-11-17 08:04:44,793 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 08:04:44,793 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-tun.cil.i [2021-11-17 08:04:44,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eef4531d/ef9b98b50e1d44c49fe8e34b0b33535a/FLAG0b31ce9b3 [2021-11-17 08:04:44,996 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eef4531d/ef9b98b50e1d44c49fe8e34b0b33535a [2021-11-17 08:04:44,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 08:04:45,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 08:04:45,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 08:04:45,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 08:04:45,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 08:04:45,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:04:44" (1/1) ... [2021-11-17 08:04:45,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff044e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:45, skipping insertion in model container [2021-11-17 08:04:45,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 08:04:44" (1/1) ... [2021-11-17 08:04:45,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 08:04:45,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 08:04:48,973 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-tun.cil.i[428896,428909] [2021-11-17 08:04:48,977 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-tun.cil.i[429065,429078] [2021-11-17 08:04:48,978 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-tun.cil.i[429232,429245] [2021-11-17 08:04:48,979 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-tun.cil.i[429400,429413] [2021-11-17 08:04:49,045 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 08:04:49,085 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 08:04:49,583 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-tun.cil.i[428896,428909] [2021-11-17 08:04:49,584 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-tun.cil.i[429065,429078] [2021-11-17 08:04:49,585 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-tun.cil.i[429232,429245] [2021-11-17 08:04:49,585 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-tun.cil.i[429400,429413] [2021-11-17 08:04:49,594 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 08:04:49,859 INFO L208 MainTranslator]: Completed translation [2021-11-17 08:04:49,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49 WrapperNode [2021-11-17 08:04:49,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 08:04:49,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 08:04:49,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 08:04:49,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 08:04:49,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49" (1/1) ... [2021-11-17 08:04:50,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49" (1/1) ... [2021-11-17 08:04:50,237 INFO L137 Inliner]: procedures = 614, calls = 2613, calls flagged for inlining = 322, calls inlined = 255, statements flattened = 7153 [2021-11-17 08:04:50,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 08:04:50,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 08:04:50,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 08:04:50,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 08:04:50,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49" (1/1) ... [2021-11-17 08:04:50,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49" (1/1) ... [2021-11-17 08:04:50,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49" (1/1) ... [2021-11-17 08:04:50,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49" (1/1) ... [2021-11-17 08:04:50,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49" (1/1) ... [2021-11-17 08:04:50,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49" (1/1) ... [2021-11-17 08:04:50,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49" (1/1) ... [2021-11-17 08:04:50,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 08:04:50,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 08:04:50,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 08:04:50,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 08:04:50,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49" (1/1) ... [2021-11-17 08:04:50,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 08:04:50,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 08:04:50,668 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 08:04:50,695 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 08:04:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get [2021-11-17 08:04:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get [2021-11-17 08:04:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-17 08:04:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-17 08:04:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 08:04:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 08:04:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 08:04:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 08:04:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_hash [2021-11-17 08:04:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_hash [2021-11-17 08:04:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure tun_attach [2021-11-17 08:04:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_attach [2021-11-17 08:04:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure ns_capable [2021-11-17 08:04:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_capable [2021-11-17 08:04:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-17 08:04:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-17 08:04:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 08:04:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 08:04:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure gid_valid [2021-11-17 08:04:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_valid [2021-11-17 08:04:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-11-17 08:04:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-11-17 08:04:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 08:04:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 08:04:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 08:04:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 08:04:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 08:04:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure sock_writeable [2021-11-17 08:04:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_writeable [2021-11-17 08:04:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 08:04:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 08:04:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2021-11-17 08:04:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2021-11-17 08:04:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 08:04:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 08:04:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2021-11-17 08:04:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2021-11-17 08:04:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 08:04:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 08:04:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 08:04:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_iff [2021-11-17 08:04:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_iff [2021-11-17 08:04:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 08:04:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_76 [2021-11-17 08:04:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_76 [2021-11-17 08:04:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 08:04:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 08:04:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_detach [2021-11-17 08:04:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_detach [2021-11-17 08:04:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 08:04:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 08:04:50,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 08:04:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-11-17 08:04:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tun_cleanup_15_2 [2021-11-17 08:04:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_all [2021-11-17 08:04:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_all [2021-11-17 08:04:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-17 08:04:50,719 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-17 08:04:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2021-11-17 08:04:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2021-11-17 08:04:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 08:04:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 08:04:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-17 08:04:50,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-17 08:04:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 08:04:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 08:04:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 08:04:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 08:04:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 08:04:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 08:04:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 08:04:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-17 08:04:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-17 08:04:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 08:04:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 08:04:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 08:04:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 08:04:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 08:04:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-11-17 08:04:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-11-17 08:04:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-17 08:04:50,723 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-17 08:04:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 08:04:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 08:04:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure tun_setup [2021-11-17 08:04:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_setup [2021-11-17 08:04:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_transport_header [2021-11-17 08:04:50,724 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_transport_header [2021-11-17 08:04:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 08:04:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 08:04:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 08:04:50,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 08:04:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_find [2021-11-17 08:04:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_find [2021-11-17 08:04:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_uninit [2021-11-17 08:04:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_uninit [2021-11-17 08:04:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 08:04:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 08:04:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2021-11-17 08:04:50,726 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2021-11-17 08:04:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 08:04:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 08:04:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2021-11-17 08:04:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2021-11-17 08:04:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-17 08:04:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-17 08:04:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flags [2021-11-17 08:04:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flags [2021-11-17 08:04:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-11-17 08:04:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-11-17 08:04:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 08:04:50,729 INFO L130 BoogieDeclarations]: Found specification of procedure uid_valid [2021-11-17 08:04:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_valid [2021-11-17 08:04:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 08:04:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 08:04:50,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 08:04:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 08:04:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 08:04:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-17 08:04:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-17 08:04:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 08:04:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 08:04:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 08:04:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rtnl_is_held [2021-11-17 08:04:50,739 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rtnl_is_held [2021-11-17 08:04:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-17 08:04:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-17 08:04:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-17 08:04:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-17 08:04:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 08:04:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 08:04:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_get [2021-11-17 08:04:50,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_get [2021-11-17 08:04:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 08:04:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 08:04:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure sk_attach_filter [2021-11-17 08:04:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_attach_filter [2021-11-17 08:04:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 08:04:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 08:04:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 08:04:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2021-11-17 08:04:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2021-11-17 08:04:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure put_net [2021-11-17 08:04:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure put_net [2021-11-17 08:04:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 08:04:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_datagram_const_iovec [2021-11-17 08:04:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_datagram_const_iovec [2021-11-17 08:04:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 08:04:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 08:04:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 08:04:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure tun_get_user [2021-11-17 08:04:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_get_user [2021-11-17 08:04:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-17 08:04:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-17 08:04:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure __tun_chr_ioctl [2021-11-17 08:04:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __tun_chr_ioctl [2021-11-17 08:04:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 08:04:50,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 08:04:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure tun_flow_delete [2021-11-17 08:04:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_flow_delete [2021-11-17 08:04:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure sock_rps_reset_flow_hash [2021-11-17 08:04:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_rps_reset_flow_hash [2021-11-17 08:04:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 08:04:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 08:04:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure tun_queue_purge [2021-11-17 08:04:50,744 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_queue_purge [2021-11-17 08:04:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure tun_hashfn [2021-11-17 08:04:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_hashfn [2021-11-17 08:04:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 08:04:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 08:04:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 08:04:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 08:04:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 08:04:50,745 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 08:04:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-17 08:04:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-17 08:04:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_75 [2021-11-17 08:04:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_75 [2021-11-17 08:04:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 08:04:50,746 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 08:04:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure tun_enable_queue [2021-11-17 08:04:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_enable_queue [2021-11-17 08:04:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 08:04:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure security_tun_dev_free_security [2021-11-17 08:04:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure security_tun_dev_free_security [2021-11-17 08:04:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure hold_net [2021-11-17 08:04:50,747 INFO L138 BoogieDeclarations]: Found implementation of procedure hold_net [2021-11-17 08:04:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure tun_set_real_num_queues [2021-11-17 08:04:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_set_real_num_queues [2021-11-17 08:04:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 08:04:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 08:04:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2021-11-17 08:04:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2021-11-17 08:04:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-11-17 08:04:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-11-17 08:04:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure tun_do_read [2021-11-17 08:04:50,748 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_do_read [2021-11-17 08:04:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 08:04:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 08:04:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-11-17 08:04:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-11-17 08:04:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-17 08:04:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-17 08:04:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-11-17 08:04:50,749 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-11-17 08:04:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 08:04:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 08:04:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-17 08:04:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-17 08:04:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 08:04:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 08:04:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-17 08:04:50,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-17 08:04:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 08:04:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 08:04:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure tun_detach_filter [2021-11-17 08:04:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_detach_filter [2021-11-17 08:04:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromiovecend [2021-11-17 08:04:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromiovecend [2021-11-17 08:04:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_up [2021-11-17 08:04:50,751 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_up [2021-11-17 08:04:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 08:04:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 08:04:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-17 08:04:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-17 08:04:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure tun_put [2021-11-17 08:04:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure tun_put [2021-11-17 08:04:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 08:04:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 08:04:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 08:04:51,577 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 08:04:51,580 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 08:04:51,853 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 08:04:54,870 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 08:04:54,920 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 08:04:54,937 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 08:04:54,938 INFO L301 CfgBuilder]: Removed 20 assume(true) statements. [2021-11-17 08:04:54,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 08:04:54 BoogieIcfgContainer [2021-11-17 08:04:54,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 08:04:54,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 08:04:54,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 08:04:54,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 08:04:54,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 08:04:44" (1/3) ... [2021-11-17 08:04:54,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d2b983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 08:04:54, skipping insertion in model container [2021-11-17 08:04:54,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 08:04:49" (2/3) ... [2021-11-17 08:04:54,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d2b983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 08:04:54, skipping insertion in model container [2021-11-17 08:04:54,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 08:04:54" (3/3) ... [2021-11-17 08:04:54,950 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-tun.cil.i [2021-11-17 08:04:54,955 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 08:04:54,956 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 08:04:55,006 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 08:04:55,012 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 08:04:55,013 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 08:04:55,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 2235 states, 1646 states have (on average 1.3578371810449574) internal successors, (2235), 1682 states have internal predecessors, (2235), 481 states have call successors, (481), 106 states have call predecessors, (481), 105 states have return successors, (474), 473 states have call predecessors, (474), 474 states have call successors, (474) [2021-11-17 08:04:55,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-17 08:04:55,108 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:55,109 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:04:55,110 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 08:04:55,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:55,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1109704787, now seen corresponding path program 1 times [2021-11-17 08:04:55,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:55,128 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217238250] [2021-11-17 08:04:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:55,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:04:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:04:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:04:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:04:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:04:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:04:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:04:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:04:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:04:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:04:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:04:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:04:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:04:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:04:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:04:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:04:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:04:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:04:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:04:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:04:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:04:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:04:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:04:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:04:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:04:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:04:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:04:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:04:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:04:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:04:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 08:04:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:04:56,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-17 08:04:56,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:04:56,559 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217238250] [2021-11-17 08:04:56,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217238250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:04:56,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:04:56,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:04:56,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714676846] [2021-11-17 08:04:56,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:04:56,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:04:56,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:04:56,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:04:56,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:04:56,600 INFO L87 Difference]: Start difference. First operand has 2235 states, 1646 states have (on average 1.3578371810449574) internal successors, (2235), 1682 states have internal predecessors, (2235), 481 states have call successors, (481), 106 states have call predecessors, (481), 105 states have return successors, (474), 473 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 08:05:00,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:00,241 INFO L93 Difference]: Finished difference Result 6313 states and 9153 transitions. [2021-11-17 08:05:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:05:00,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 327 [2021-11-17 08:05:00,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:00,293 INFO L225 Difference]: With dead ends: 6313 [2021-11-17 08:05:00,294 INFO L226 Difference]: Without dead ends: 4126 [2021-11-17 08:05:00,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 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 08:05:00,319 INFO L933 BasicCegarLoop]: 3180 mSDtfsCounter, 3622 mSDsluCounter, 3556 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 1206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3998 SdHoareTripleChecker+Valid, 6736 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1206 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:00,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3998 Valid, 6736 Invalid, 2916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1206 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-17 08:05:00,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2021-11-17 08:05:00,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 4110. [2021-11-17 08:05:00,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 3019 states have (on average 1.3176548526001988) internal successors, (3978), 3089 states have internal predecessors, (3978), 882 states have call successors, (882), 207 states have call predecessors, (882), 206 states have return successors, (878), 876 states have call predecessors, (878), 878 states have call successors, (878) [2021-11-17 08:05:00,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 5738 transitions. [2021-11-17 08:05:00,563 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 5738 transitions. Word has length 327 [2021-11-17 08:05:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:00,565 INFO L470 AbstractCegarLoop]: Abstraction has 4110 states and 5738 transitions. [2021-11-17 08:05:00,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 08:05:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 5738 transitions. [2021-11-17 08:05:00,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-17 08:05:00,576 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:00,577 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:00,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 08:05:00,580 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 08:05:00,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:00,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1988374258, now seen corresponding path program 1 times [2021-11-17 08:05:00,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:00,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569674250] [2021-11-17 08:05:00,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:00,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-17 08:05:01,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:01,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569674250] [2021-11-17 08:05:01,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569674250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:01,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:01,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:05:01,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005721089] [2021-11-17 08:05:01,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:01,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:05:01,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:01,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:05:01,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:05:01,343 INFO L87 Difference]: Start difference. First operand 4110 states and 5738 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-17 08:05:04,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:04,994 INFO L93 Difference]: Finished difference Result 12120 states and 16977 transitions. [2021-11-17 08:05:04,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:05:04,994 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 326 [2021-11-17 08:05:04,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:05,055 INFO L225 Difference]: With dead ends: 12120 [2021-11-17 08:05:05,055 INFO L226 Difference]: Without dead ends: 8069 [2021-11-17 08:05:05,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 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 08:05:05,077 INFO L933 BasicCegarLoop]: 3323 mSDtfsCounter, 3559 mSDsluCounter, 3663 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 1236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3934 SdHoareTripleChecker+Valid, 6986 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1236 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:05,077 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3934 Valid, 6986 Invalid, 2900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1236 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-17 08:05:05,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8069 states. [2021-11-17 08:05:05,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8069 to 8013. [2021-11-17 08:05:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8013 states, 5904 states have (on average 1.3199525745257452) internal successors, (7793), 6044 states have internal predecessors, (7793), 1699 states have call successors, (1699), 410 states have call predecessors, (1699), 407 states have return successors, (1711), 1682 states have call predecessors, (1711), 1695 states have call successors, (1711) [2021-11-17 08:05:05,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8013 states to 8013 states and 11203 transitions. [2021-11-17 08:05:05,440 INFO L78 Accepts]: Start accepts. Automaton has 8013 states and 11203 transitions. Word has length 326 [2021-11-17 08:05:05,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:05,442 INFO L470 AbstractCegarLoop]: Abstraction has 8013 states and 11203 transitions. [2021-11-17 08:05:05,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-17 08:05:05,443 INFO L276 IsEmpty]: Start isEmpty. Operand 8013 states and 11203 transitions. [2021-11-17 08:05:05,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-11-17 08:05:05,451 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:05,451 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 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] [2021-11-17 08:05:05,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 08:05:05,452 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 08:05:05,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:05,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1875553454, now seen corresponding path program 1 times [2021-11-17 08:05:05,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:05,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853319960] [2021-11-17 08:05:05,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:05,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:05,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 08:05:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 08:05:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 08:05:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 08:05:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 08:05:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:06,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2021-11-17 08:05:06,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:06,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853319960] [2021-11-17 08:05:06,122 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853319960] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:06,122 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:06,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:05:06,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548218243] [2021-11-17 08:05:06,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:06,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:05:06,123 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:06,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:05:06,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:05:06,125 INFO L87 Difference]: Start difference. First operand 8013 states and 11203 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-17 08:05:08,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:08,874 INFO L93 Difference]: Finished difference Result 15961 states and 22264 transitions. [2021-11-17 08:05:08,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:05:08,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 360 [2021-11-17 08:05:08,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:08,925 INFO L225 Difference]: With dead ends: 15961 [2021-11-17 08:05:08,926 INFO L226 Difference]: Without dead ends: 8007 [2021-11-17 08:05:08,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 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 08:05:08,969 INFO L933 BasicCegarLoop]: 3093 mSDtfsCounter, 2104 mSDsluCounter, 3506 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2356 SdHoareTripleChecker+Valid, 6599 SdHoareTripleChecker+Invalid, 2384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 824 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:08,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2356 Valid, 6599 Invalid, 2384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [824 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-17 08:05:08,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8007 states. [2021-11-17 08:05:09,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8007 to 7941. [2021-11-17 08:05:09,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7941 states, 5916 states have (on average 1.3125422582826234) internal successors, (7765), 6043 states have internal predecessors, (7765), 1605 states have call successors, (1605), 421 states have call predecessors, (1605), 417 states have return successors, (1613), 1581 states have call predecessors, (1613), 1601 states have call successors, (1613) [2021-11-17 08:05:09,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7941 states to 7941 states and 10983 transitions. [2021-11-17 08:05:09,339 INFO L78 Accepts]: Start accepts. Automaton has 7941 states and 10983 transitions. Word has length 360 [2021-11-17 08:05:09,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:09,340 INFO L470 AbstractCegarLoop]: Abstraction has 7941 states and 10983 transitions. [2021-11-17 08:05:09,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-17 08:05:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand 7941 states and 10983 transitions. [2021-11-17 08:05:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-17 08:05:09,351 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:09,351 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:09,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 08:05:09,352 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:05:09,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:09,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1353308096, now seen corresponding path program 1 times [2021-11-17 08:05:09,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:09,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978920880] [2021-11-17 08:05:09,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:09,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:09,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:05:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:09,968 INFO L134 CoverageAnalysis]: Checked inductivity of 3435 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3423 trivial. 0 not checked. [2021-11-17 08:05:09,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:09,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978920880] [2021-11-17 08:05:09,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978920880] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:09,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:09,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:05:09,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544800280] [2021-11-17 08:05:09,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:09,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:05:09,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:09,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:05:09,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:05:09,971 INFO L87 Difference]: Start difference. First operand 7941 states and 10983 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, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-17 08:05:13,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:13,125 INFO L93 Difference]: Finished difference Result 19783 states and 27469 transitions. [2021-11-17 08:05:13,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:05:13,126 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, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 373 [2021-11-17 08:05:13,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:13,197 INFO L225 Difference]: With dead ends: 19783 [2021-11-17 08:05:13,197 INFO L226 Difference]: Without dead ends: 13715 [2021-11-17 08:05:13,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 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 08:05:13,228 INFO L933 BasicCegarLoop]: 5059 mSDtfsCounter, 3129 mSDsluCounter, 4653 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 872 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3499 SdHoareTripleChecker+Valid, 9712 SdHoareTripleChecker+Invalid, 2654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 872 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:13,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3499 Valid, 9712 Invalid, 2654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [872 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-17 08:05:13,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13715 states. [2021-11-17 08:05:13,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13715 to 13651. [2021-11-17 08:05:13,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13651 states, 10186 states have (on average 1.3151384252896132) internal successors, (13396), 10399 states have internal predecessors, (13396), 2745 states have call successors, (2745), 722 states have call predecessors, (2745), 717 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-11-17 08:05:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13651 states to 13651 states and 18904 transitions. [2021-11-17 08:05:13,764 INFO L78 Accepts]: Start accepts. Automaton has 13651 states and 18904 transitions. Word has length 373 [2021-11-17 08:05:13,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:13,766 INFO L470 AbstractCegarLoop]: Abstraction has 13651 states and 18904 transitions. [2021-11-17 08:05:13,766 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, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-17 08:05:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 13651 states and 18904 transitions. [2021-11-17 08:05:13,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-17 08:05:13,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:13,775 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:13,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 08:05:13,776 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 08:05:13,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:13,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1018431166, now seen corresponding path program 1 times [2021-11-17 08:05:13,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:13,778 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053179643] [2021-11-17 08:05:13,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:13,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:05:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2021-11-17 08:05:14,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:14,672 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053179643] [2021-11-17 08:05:14,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053179643] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:14,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:14,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:14,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606722331] [2021-11-17 08:05:14,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:14,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:14,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:14,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:14,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:14,676 INFO L87 Difference]: Start difference. First operand 13651 states and 18904 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 08:05:17,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:17,341 INFO L93 Difference]: Finished difference Result 13717 states and 19032 transitions. [2021-11-17 08:05:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:17,342 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 373 [2021-11-17 08:05:17,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:17,400 INFO L225 Difference]: With dead ends: 13717 [2021-11-17 08:05:17,400 INFO L226 Difference]: Without dead ends: 13715 [2021-11-17 08:05:17,412 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 08:05:17,412 INFO L933 BasicCegarLoop]: 2846 mSDtfsCounter, 3055 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3317 SdHoareTripleChecker+Valid, 8588 SdHoareTripleChecker+Invalid, 2926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 829 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:17,413 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3317 Valid, 8588 Invalid, 2926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [829 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-17 08:05:17,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13715 states. [2021-11-17 08:05:17,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13715 to 13655. [2021-11-17 08:05:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13655 states, 10189 states have (on average 1.3150456374521542) internal successors, (13399), 10402 states have internal predecessors, (13399), 2745 states have call successors, (2745), 723 states have call predecessors, (2745), 718 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-11-17 08:05:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13655 states to 13655 states and 18907 transitions. [2021-11-17 08:05:17,844 INFO L78 Accepts]: Start accepts. Automaton has 13655 states and 18907 transitions. Word has length 373 [2021-11-17 08:05:17,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:17,845 INFO L470 AbstractCegarLoop]: Abstraction has 13655 states and 18907 transitions. [2021-11-17 08:05:17,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2021-11-17 08:05:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 13655 states and 18907 transitions. [2021-11-17 08:05:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-11-17 08:05:17,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:17,854 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 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] [2021-11-17 08:05:17,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 08:05:17,854 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 08:05:17,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:17,855 INFO L85 PathProgramCache]: Analyzing trace with hash 286315605, now seen corresponding path program 1 times [2021-11-17 08:05:17,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:17,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617741656] [2021-11-17 08:05:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:17,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:05:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:05:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3437 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3435 trivial. 0 not checked. [2021-11-17 08:05:18,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:18,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617741656] [2021-11-17 08:05:18,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617741656] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:18,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:18,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:18,608 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325317283] [2021-11-17 08:05:18,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:18,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:18,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:18,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:18,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:18,611 INFO L87 Difference]: Start difference. First operand 13655 states and 18907 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 08:05:21,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:21,205 INFO L93 Difference]: Finished difference Result 13721 states and 19035 transitions. [2021-11-17 08:05:21,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:21,206 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 378 [2021-11-17 08:05:21,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:21,257 INFO L225 Difference]: With dead ends: 13721 [2021-11-17 08:05:21,258 INFO L226 Difference]: Without dead ends: 13719 [2021-11-17 08:05:21,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 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 08:05:21,270 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 828 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 828 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:21,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [828 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-17 08:05:21,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13719 states. [2021-11-17 08:05:21,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13719 to 13659. [2021-11-17 08:05:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13659 states, 10192 states have (on average 1.3149529042386185) internal successors, (13402), 10405 states have internal predecessors, (13402), 2745 states have call successors, (2745), 724 states have call predecessors, (2745), 719 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-11-17 08:05:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13659 states to 13659 states and 18910 transitions. [2021-11-17 08:05:21,722 INFO L78 Accepts]: Start accepts. Automaton has 13659 states and 18910 transitions. Word has length 378 [2021-11-17 08:05:21,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:21,723 INFO L470 AbstractCegarLoop]: Abstraction has 13659 states and 18910 transitions. [2021-11-17 08:05:21,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-17 08:05:21,723 INFO L276 IsEmpty]: Start isEmpty. Operand 13659 states and 18910 transitions. [2021-11-17 08:05:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2021-11-17 08:05:21,729 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:21,730 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:21,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 08:05:21,730 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 08:05:21,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:21,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1817836318, now seen corresponding path program 1 times [2021-11-17 08:05:21,731 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:21,731 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213029263] [2021-11-17 08:05:21,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:21,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:05:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:05:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:05:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3443 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3439 trivial. 0 not checked. [2021-11-17 08:05:22,574 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:22,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213029263] [2021-11-17 08:05:22,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213029263] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:22,575 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:22,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:22,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315129598] [2021-11-17 08:05:22,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:22,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:22,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:22,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:22,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:22,577 INFO L87 Difference]: Start difference. First operand 13659 states and 18910 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 08:05:24,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:24,929 INFO L93 Difference]: Finished difference Result 13725 states and 19038 transitions. [2021-11-17 08:05:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:24,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 383 [2021-11-17 08:05:24,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:24,998 INFO L225 Difference]: With dead ends: 13725 [2021-11-17 08:05:24,999 INFO L226 Difference]: Without dead ends: 13723 [2021-11-17 08:05:25,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 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 08:05:25,013 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 827 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 827 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:25,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [827 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 08:05:25,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13723 states. [2021-11-17 08:05:25,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13723 to 13663. [2021-11-17 08:05:25,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13663 states, 10195 states have (on average 1.3148602256007846) internal successors, (13405), 10408 states have internal predecessors, (13405), 2745 states have call successors, (2745), 725 states have call predecessors, (2745), 720 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-11-17 08:05:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13663 states to 13663 states and 18913 transitions. [2021-11-17 08:05:25,509 INFO L78 Accepts]: Start accepts. Automaton has 13663 states and 18913 transitions. Word has length 383 [2021-11-17 08:05:25,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:25,510 INFO L470 AbstractCegarLoop]: Abstraction has 13663 states and 18913 transitions. [2021-11-17 08:05:25,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 08:05:25,511 INFO L276 IsEmpty]: Start isEmpty. Operand 13663 states and 18913 transitions. [2021-11-17 08:05:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-11-17 08:05:25,518 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:25,518 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:25,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 08:05:25,518 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 08:05:25,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:25,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1065827381, now seen corresponding path program 1 times [2021-11-17 08:05:25,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:25,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718399865] [2021-11-17 08:05:25,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:25,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:25,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:26,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:05:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:05:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:05:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 08:05:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:26,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3453 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3447 trivial. 0 not checked. [2021-11-17 08:05:26,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:26,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718399865] [2021-11-17 08:05:26,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718399865] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:26,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:26,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:26,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474482484] [2021-11-17 08:05:26,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:26,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:26,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:26,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:26,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:26,192 INFO L87 Difference]: Start difference. First operand 13663 states and 18913 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-17 08:05:28,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:28,614 INFO L93 Difference]: Finished difference Result 13729 states and 19041 transitions. [2021-11-17 08:05:28,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:28,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 388 [2021-11-17 08:05:28,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:28,668 INFO L225 Difference]: With dead ends: 13729 [2021-11-17 08:05:28,668 INFO L226 Difference]: Without dead ends: 13727 [2021-11-17 08:05:28,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 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 08:05:28,679 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 826 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:28,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [826 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-17 08:05:28,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13727 states. [2021-11-17 08:05:29,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13727 to 13667. [2021-11-17 08:05:29,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13667 states, 10198 states have (on average 1.3147676014904883) internal successors, (13408), 10411 states have internal predecessors, (13408), 2745 states have call successors, (2745), 726 states have call predecessors, (2745), 721 states have return successors, (2763), 2715 states have call predecessors, (2763), 2741 states have call successors, (2763) [2021-11-17 08:05:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13667 states to 13667 states and 18916 transitions. [2021-11-17 08:05:29,227 INFO L78 Accepts]: Start accepts. Automaton has 13667 states and 18916 transitions. Word has length 388 [2021-11-17 08:05:29,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:29,228 INFO L470 AbstractCegarLoop]: Abstraction has 13667 states and 18916 transitions. [2021-11-17 08:05:29,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-17 08:05:29,228 INFO L276 IsEmpty]: Start isEmpty. Operand 13667 states and 18916 transitions. [2021-11-17 08:05:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2021-11-17 08:05:29,235 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:29,235 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:05:29,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 08:05:29,236 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 08:05:29,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:29,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1448917494, now seen corresponding path program 1 times [2021-11-17 08:05:29,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:29,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872876452] [2021-11-17 08:05:29,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:29,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 08:05:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 08:05:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 08:05:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:05:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 08:05:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 08:05:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 08:05:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 08:05:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:29,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3472 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3459 trivial. 0 not checked. [2021-11-17 08:05:29,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:29,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872876452] [2021-11-17 08:05:29,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872876452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:29,766 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:29,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:05:29,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794949233] [2021-11-17 08:05:29,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:29,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:05:29,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:29,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:05:29,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:05:29,769 INFO L87 Difference]: Start difference. First operand 13667 states and 18916 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-17 08:05:36,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:36,665 INFO L93 Difference]: Finished difference Result 31300 states and 43429 transitions. [2021-11-17 08:05:36,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:05:36,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 406 [2021-11-17 08:05:36,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:36,741 INFO L225 Difference]: With dead ends: 31300 [2021-11-17 08:05:36,741 INFO L226 Difference]: Without dead ends: 19506 [2021-11-17 08:05:36,785 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 08:05:36,786 INFO L933 BasicCegarLoop]: 5115 mSDtfsCounter, 4172 mSDsluCounter, 3212 mSDsCounter, 0 mSdLazyCounter, 5099 mSolverCounterSat, 2264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 8327 SdHoareTripleChecker+Invalid, 7363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2264 IncrementalHoareTripleChecker+Valid, 5099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:36,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4481 Valid, 8327 Invalid, 7363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2264 Valid, 5099 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-11-17 08:05:36,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19506 states. [2021-11-17 08:05:37,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19506 to 19381. [2021-11-17 08:05:37,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19381 states, 14472 states have (on average 1.3158512990602542) internal successors, (19043), 14771 states have internal predecessors, (19043), 3885 states have call successors, (3885), 1027 states have call predecessors, (3885), 1021 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-11-17 08:05:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19381 states to 19381 states and 26841 transitions. [2021-11-17 08:05:37,563 INFO L78 Accepts]: Start accepts. Automaton has 19381 states and 26841 transitions. Word has length 406 [2021-11-17 08:05:37,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:37,564 INFO L470 AbstractCegarLoop]: Abstraction has 19381 states and 26841 transitions. [2021-11-17 08:05:37,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-11-17 08:05:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 19381 states and 26841 transitions. [2021-11-17 08:05:37,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2021-11-17 08:05:37,572 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:37,572 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 5, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:37,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 08:05:37,573 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 08:05:37,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:37,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1083160706, now seen corresponding path program 1 times [2021-11-17 08:05:37,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:37,574 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334265220] [2021-11-17 08:05:37,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:37,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:05:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:05:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:05:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 08:05:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 08:05:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:38,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3467 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3459 trivial. 0 not checked. [2021-11-17 08:05:38,232 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:38,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334265220] [2021-11-17 08:05:38,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334265220] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:38,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:38,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:38,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053285653] [2021-11-17 08:05:38,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:38,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:38,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:38,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:38,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:38,235 INFO L87 Difference]: Start difference. First operand 19381 states and 26841 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 08:05:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:40,837 INFO L93 Difference]: Finished difference Result 19471 states and 27009 transitions. [2021-11-17 08:05:40,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:40,838 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 393 [2021-11-17 08:05:40,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:40,888 INFO L225 Difference]: With dead ends: 19471 [2021-11-17 08:05:40,888 INFO L226 Difference]: Without dead ends: 19469 [2021-11-17 08:05:40,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 131 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 08:05:40,896 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 825 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 825 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:40,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [825 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 08:05:40,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19469 states. [2021-11-17 08:05:41,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19469 to 19385. [2021-11-17 08:05:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19385 states, 14475 states have (on average 1.3157858376511227) internal successors, (19046), 14774 states have internal predecessors, (19046), 3885 states have call successors, (3885), 1028 states have call predecessors, (3885), 1022 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-11-17 08:05:41,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19385 states to 19385 states and 26844 transitions. [2021-11-17 08:05:41,489 INFO L78 Accepts]: Start accepts. Automaton has 19385 states and 26844 transitions. Word has length 393 [2021-11-17 08:05:41,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:41,490 INFO L470 AbstractCegarLoop]: Abstraction has 19385 states and 26844 transitions. [2021-11-17 08:05:41,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-17 08:05:41,490 INFO L276 IsEmpty]: Start isEmpty. Operand 19385 states and 26844 transitions. [2021-11-17 08:05:41,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-17 08:05:41,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:41,500 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 6, 5, 5, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:41,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 08:05:41,500 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 08:05:41,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:41,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1057555435, now seen corresponding path program 1 times [2021-11-17 08:05:41,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:41,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452218356] [2021-11-17 08:05:41,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:41,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:41,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:42,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:05:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:05:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:05:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 08:05:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 08:05:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 08:05:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3485 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3475 trivial. 0 not checked. [2021-11-17 08:05:42,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:42,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452218356] [2021-11-17 08:05:42,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452218356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:42,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:42,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:42,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842788220] [2021-11-17 08:05:42,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:42,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:42,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:42,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:42,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:42,223 INFO L87 Difference]: Start difference. First operand 19385 states and 26844 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-17 08:05:44,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:44,753 INFO L93 Difference]: Finished difference Result 19475 states and 27012 transitions. [2021-11-17 08:05:44,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:44,754 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 398 [2021-11-17 08:05:44,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:44,826 INFO L225 Difference]: With dead ends: 19475 [2021-11-17 08:05:44,826 INFO L226 Difference]: Without dead ends: 19473 [2021-11-17 08:05:44,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 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 08:05:44,841 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 824 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 824 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:44,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [824 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-17 08:05:44,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19473 states. [2021-11-17 08:05:45,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19473 to 19389. [2021-11-17 08:05:45,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19389 states, 14478 states have (on average 1.3157204033706313) internal successors, (19049), 14777 states have internal predecessors, (19049), 3885 states have call successors, (3885), 1029 states have call predecessors, (3885), 1023 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-11-17 08:05:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19389 states to 19389 states and 26847 transitions. [2021-11-17 08:05:45,586 INFO L78 Accepts]: Start accepts. Automaton has 19389 states and 26847 transitions. Word has length 398 [2021-11-17 08:05:45,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:45,586 INFO L470 AbstractCegarLoop]: Abstraction has 19389 states and 26847 transitions. [2021-11-17 08:05:45,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (41), 4 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-17 08:05:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 19389 states and 26847 transitions. [2021-11-17 08:05:45,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-11-17 08:05:45,595 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:45,595 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 7, 6, 6, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:45,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 08:05:45,596 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 08:05:45,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:45,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1198058462, now seen corresponding path program 1 times [2021-11-17 08:05:45,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:45,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369110295] [2021-11-17 08:05:45,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:45,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:45,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:05:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:05:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:05:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 08:05:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 08:05:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 08:05:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 08:05:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3495 trivial. 0 not checked. [2021-11-17 08:05:46,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:46,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369110295] [2021-11-17 08:05:46,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369110295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:46,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:46,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:46,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590406385] [2021-11-17 08:05:46,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:46,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:46,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:46,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:46,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:46,207 INFO L87 Difference]: Start difference. First operand 19389 states and 26847 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-17 08:05:48,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:48,572 INFO L93 Difference]: Finished difference Result 19479 states and 27015 transitions. [2021-11-17 08:05:48,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:48,573 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 403 [2021-11-17 08:05:48,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:48,627 INFO L225 Difference]: With dead ends: 19479 [2021-11-17 08:05:48,627 INFO L226 Difference]: Without dead ends: 19477 [2021-11-17 08:05:48,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 135 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 08:05:48,638 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 823 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 823 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:48,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [823 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-17 08:05:48,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19477 states. [2021-11-17 08:05:49,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19477 to 19393. [2021-11-17 08:05:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19393 states, 14481 states have (on average 1.3156549962019197) internal successors, (19052), 14780 states have internal predecessors, (19052), 3885 states have call successors, (3885), 1030 states have call predecessors, (3885), 1024 states have return successors, (3913), 3849 states have call predecessors, (3913), 3881 states have call successors, (3913) [2021-11-17 08:05:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19393 states to 19393 states and 26850 transitions. [2021-11-17 08:05:49,354 INFO L78 Accepts]: Start accepts. Automaton has 19393 states and 26850 transitions. Word has length 403 [2021-11-17 08:05:49,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:49,355 INFO L470 AbstractCegarLoop]: Abstraction has 19393 states and 26850 transitions. [2021-11-17 08:05:49,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-17 08:05:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 19393 states and 26850 transitions. [2021-11-17 08:05:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2021-11-17 08:05:49,365 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:49,365 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 8, 7, 7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:49,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 08:05:49,366 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 08:05:49,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:49,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1886252043, now seen corresponding path program 1 times [2021-11-17 08:05:49,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:49,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952642871] [2021-11-17 08:05:49,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:49,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:05:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:05:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:05:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 08:05:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 08:05:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 08:05:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 08:05:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 08:05:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:49,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3533 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3519 trivial. 0 not checked. [2021-11-17 08:05:49,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:49,990 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952642871] [2021-11-17 08:05:49,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952642871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:49,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:49,991 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:49,991 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907191911] [2021-11-17 08:05:49,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:49,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:49,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:49,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:49,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:49,993 INFO L87 Difference]: Start difference. First operand 19393 states and 26850 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 08:05:52,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:52,681 INFO L93 Difference]: Finished difference Result 20984 states and 28843 transitions. [2021-11-17 08:05:52,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:05:52,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 408 [2021-11-17 08:05:52,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:52,752 INFO L225 Difference]: With dead ends: 20984 [2021-11-17 08:05:52,752 INFO L226 Difference]: Without dead ends: 20982 [2021-11-17 08:05:52,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 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 08:05:52,763 INFO L933 BasicCegarLoop]: 2870 mSDtfsCounter, 3025 mSDsluCounter, 5872 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 810 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3300 SdHoareTripleChecker+Valid, 8742 SdHoareTripleChecker+Invalid, 3196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 810 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:52,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3300 Valid, 8742 Invalid, 3196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [810 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 08:05:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20982 states. [2021-11-17 08:05:53,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20982 to 20846. [2021-11-17 08:05:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20846 states, 15537 states have (on average 1.3118362618266075) internal successors, (20382), 15859 states have internal predecessors, (20382), 4115 states have call successors, (4115), 1197 states have call predecessors, (4115), 1191 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-11-17 08:05:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20846 states to 20846 states and 28640 transitions. [2021-11-17 08:05:53,437 INFO L78 Accepts]: Start accepts. Automaton has 20846 states and 28640 transitions. Word has length 408 [2021-11-17 08:05:53,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:53,438 INFO L470 AbstractCegarLoop]: Abstraction has 20846 states and 28640 transitions. [2021-11-17 08:05:53,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (43), 4 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-17 08:05:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 20846 states and 28640 transitions. [2021-11-17 08:05:53,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2021-11-17 08:05:53,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:53,449 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 9, 8, 8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:53,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 08:05:53,450 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 08:05:53,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:53,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1865803838, now seen corresponding path program 1 times [2021-11-17 08:05:53,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:53,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316123275] [2021-11-17 08:05:53,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:53,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:05:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:05:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:05:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 08:05:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 08:05:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 08:05:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 08:05:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 08:05:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 08:05:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:54,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3547 trivial. 0 not checked. [2021-11-17 08:05:54,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:54,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316123275] [2021-11-17 08:05:54,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316123275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:54,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:54,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:54,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072088295] [2021-11-17 08:05:54,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:54,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:54,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:54,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:54,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:54,269 INFO L87 Difference]: Start difference. First operand 20846 states and 28640 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-17 08:05:56,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:05:56,969 INFO L93 Difference]: Finished difference Result 20988 states and 28846 transitions. [2021-11-17 08:05:56,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:05:56,970 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 413 [2021-11-17 08:05:56,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:05:57,048 INFO L225 Difference]: With dead ends: 20988 [2021-11-17 08:05:57,049 INFO L226 Difference]: Without dead ends: 20986 [2021-11-17 08:05:57,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 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 08:05:57,066 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:05:57,066 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 08:05:57,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20986 states. [2021-11-17 08:05:57,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20986 to 20850. [2021-11-17 08:05:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20850 states, 15540 states have (on average 1.3117760617760619) internal successors, (20385), 15862 states have internal predecessors, (20385), 4115 states have call successors, (4115), 1198 states have call predecessors, (4115), 1192 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-11-17 08:05:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20850 states to 20850 states and 28643 transitions. [2021-11-17 08:05:57,875 INFO L78 Accepts]: Start accepts. Automaton has 20850 states and 28643 transitions. Word has length 413 [2021-11-17 08:05:57,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:05:57,876 INFO L470 AbstractCegarLoop]: Abstraction has 20850 states and 28643 transitions. [2021-11-17 08:05:57,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2021-11-17 08:05:57,876 INFO L276 IsEmpty]: Start isEmpty. Operand 20850 states and 28643 transitions. [2021-11-17 08:05:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2021-11-17 08:05:57,885 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:05:57,885 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 10, 9, 9, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:05:57,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 08:05:57,886 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 08:05:57,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:05:57,886 INFO L85 PathProgramCache]: Analyzing trace with hash 252347349, now seen corresponding path program 1 times [2021-11-17 08:05:57,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:05:57,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489472896] [2021-11-17 08:05:57,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:05:57,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:05:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:05:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:05:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:05:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:05:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:05:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:05:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:05:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:05:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:05:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:05:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:05:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:05:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:05:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:05:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:05:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:05:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:05:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:05:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:05:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:05:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:05:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:05:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:05:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:05:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:05:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:05:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:05:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:05:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:05:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:05:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:05:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:05:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:05:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:05:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:05:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:05:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 08:05:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 08:05:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 08:05:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 08:05:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 08:05:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 08:05:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 08:05:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:05:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3597 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 3579 trivial. 0 not checked. [2021-11-17 08:05:58,590 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:05:58,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489472896] [2021-11-17 08:05:58,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489472896] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:05:58,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:05:58,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:05:58,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917267992] [2021-11-17 08:05:58,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:05:58,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:05:58,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:05:58,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:05:58,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:05:58,593 INFO L87 Difference]: Start difference. First operand 20850 states and 28643 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-17 08:06:01,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:01,354 INFO L93 Difference]: Finished difference Result 20992 states and 28849 transitions. [2021-11-17 08:06:01,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:06:01,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 418 [2021-11-17 08:06:01,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:01,425 INFO L225 Difference]: With dead ends: 20992 [2021-11-17 08:06:01,426 INFO L226 Difference]: Without dead ends: 20990 [2021-11-17 08:06:01,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 141 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 08:06:01,441 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 820 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:01,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [820 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 08:06:01,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20990 states. [2021-11-17 08:06:02,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20990 to 20854. [2021-11-17 08:06:02,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20854 states, 15543 states have (on average 1.3117158849642927) internal successors, (20388), 15865 states have internal predecessors, (20388), 4115 states have call successors, (4115), 1199 states have call predecessors, (4115), 1193 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-11-17 08:06:02,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20854 states to 20854 states and 28646 transitions. [2021-11-17 08:06:02,198 INFO L78 Accepts]: Start accepts. Automaton has 20854 states and 28646 transitions. Word has length 418 [2021-11-17 08:06:02,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:02,199 INFO L470 AbstractCegarLoop]: Abstraction has 20854 states and 28646 transitions. [2021-11-17 08:06:02,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-17 08:06:02,199 INFO L276 IsEmpty]: Start isEmpty. Operand 20854 states and 28646 transitions. [2021-11-17 08:06:02,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-11-17 08:06:02,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:02,209 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 11, 10, 10, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:02,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 08:06:02,209 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 08:06:02,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:02,209 INFO L85 PathProgramCache]: Analyzing trace with hash -457784478, now seen corresponding path program 1 times [2021-11-17 08:06:02,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:02,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547086323] [2021-11-17 08:06:02,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:02,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:06:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:06:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:06:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:06:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:06:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:06:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:06:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:06:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:06:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:06:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:06:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:06:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:06:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:06:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:06:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:06:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:06:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 08:06:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 08:06:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 08:06:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 08:06:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 08:06:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 08:06:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 08:06:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 08:06:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3635 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3615 trivial. 0 not checked. [2021-11-17 08:06:02,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:02,743 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547086323] [2021-11-17 08:06:02,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547086323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:02,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:02,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:06:02,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213073931] [2021-11-17 08:06:02,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:02,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:06:02,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:02,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:06:02,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:06:02,746 INFO L87 Difference]: Start difference. First operand 20854 states and 28646 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 08:06:05,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:05,565 INFO L93 Difference]: Finished difference Result 20996 states and 28852 transitions. [2021-11-17 08:06:05,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:06:05,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 423 [2021-11-17 08:06:05,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:05,629 INFO L225 Difference]: With dead ends: 20996 [2021-11-17 08:06:05,629 INFO L226 Difference]: Without dead ends: 20994 [2021-11-17 08:06:05,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 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 08:06:05,641 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:05,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 08:06:05,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20994 states. [2021-11-17 08:06:06,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20994 to 20858. [2021-11-17 08:06:06,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20858 states, 15546 states have (on average 1.3116557313778463) internal successors, (20391), 15868 states have internal predecessors, (20391), 4115 states have call successors, (4115), 1200 states have call predecessors, (4115), 1194 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-11-17 08:06:06,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20858 states to 20858 states and 28649 transitions. [2021-11-17 08:06:06,432 INFO L78 Accepts]: Start accepts. Automaton has 20858 states and 28649 transitions. Word has length 423 [2021-11-17 08:06:06,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:06,432 INFO L470 AbstractCegarLoop]: Abstraction has 20858 states and 28649 transitions. [2021-11-17 08:06:06,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 08:06:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 20858 states and 28649 transitions. [2021-11-17 08:06:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2021-11-17 08:06:06,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:06,443 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 12, 11, 11, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 08:06:06,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 08:06:06,444 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:06:06,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:06,444 INFO L85 PathProgramCache]: Analyzing trace with hash 31048061, now seen corresponding path program 1 times [2021-11-17 08:06:06,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:06,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074087371] [2021-11-17 08:06:06,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:06,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:06:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:06:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:06:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:06:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:06:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:06:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:06:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:06:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:06:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:06:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:06:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:06:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:06:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:06:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:06:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 08:06:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:06:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-17 08:06:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 08:06:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 08:06:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:06:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 08:06:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 08:06:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 08:06:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 08:06:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:06:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 08:06:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 08:06:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 08:06:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-17 08:06:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 08:06:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 08:06:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3900 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3878 trivial. 0 not checked. [2021-11-17 08:06:07,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:07,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074087371] [2021-11-17 08:06:07,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074087371] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:07,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:07,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 08:06:07,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214342164] [2021-11-17 08:06:07,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:07,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 08:06:07,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:07,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 08:06:07,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 08:06:07,293 INFO L87 Difference]: Start difference. First operand 20858 states and 28649 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-17 08:06:12,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:12,798 INFO L93 Difference]: Finished difference Result 21000 states and 28855 transitions. [2021-11-17 08:06:12,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 08:06:12,799 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 468 [2021-11-17 08:06:12,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:12,841 INFO L225 Difference]: With dead ends: 21000 [2021-11-17 08:06:12,841 INFO L226 Difference]: Without dead ends: 20998 [2021-11-17 08:06:12,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 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 08:06:12,850 INFO L933 BasicCegarLoop]: 2670 mSDtfsCounter, 4254 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 5244 mSolverCounterSat, 1978 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4388 SdHoareTripleChecker+Valid, 6193 SdHoareTripleChecker+Invalid, 7222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1978 IncrementalHoareTripleChecker+Valid, 5244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:12,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4388 Valid, 6193 Invalid, 7222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1978 Valid, 5244 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-11-17 08:06:12,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20998 states. [2021-11-17 08:06:13,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20998 to 20862. [2021-11-17 08:06:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20862 states, 15549 states have (on average 1.3115956010032799) internal successors, (20394), 15871 states have internal predecessors, (20394), 4115 states have call successors, (4115), 1201 states have call predecessors, (4115), 1195 states have return successors, (4143), 4076 states have call predecessors, (4143), 4111 states have call successors, (4143) [2021-11-17 08:06:13,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20862 states to 20862 states and 28652 transitions. [2021-11-17 08:06:13,473 INFO L78 Accepts]: Start accepts. Automaton has 20862 states and 28652 transitions. Word has length 468 [2021-11-17 08:06:13,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:13,474 INFO L470 AbstractCegarLoop]: Abstraction has 20862 states and 28652 transitions. [2021-11-17 08:06:13,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (52), 5 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-11-17 08:06:13,474 INFO L276 IsEmpty]: Start isEmpty. Operand 20862 states and 28652 transitions. [2021-11-17 08:06:13,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2021-11-17 08:06:13,484 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:13,484 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:06:13,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 08:06:13,484 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:06:13,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:13,485 INFO L85 PathProgramCache]: Analyzing trace with hash 339112681, now seen corresponding path program 1 times [2021-11-17 08:06:13,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:13,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046858635] [2021-11-17 08:06:13,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:13,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:06:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:06:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:06:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:06:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:06:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:06:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:06:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:06:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:06:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:06:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:06:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 08:06:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:06:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 08:06:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 08:06:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 08:06:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 08:06:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 08:06:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 08:06:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 08:06:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 08:06:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 08:06:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 08:06:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3547 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3544 trivial. 0 not checked. [2021-11-17 08:06:13,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:13,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046858635] [2021-11-17 08:06:13,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046858635] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:13,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:13,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:06:13,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317135001] [2021-11-17 08:06:13,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:13,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:06:13,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:13,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:06:13,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:06:13,945 INFO L87 Difference]: Start difference. First operand 20862 states and 28652 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 08:06:16,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:16,871 INFO L93 Difference]: Finished difference Result 46067 states and 63218 transitions. [2021-11-17 08:06:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:06:16,872 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 429 [2021-11-17 08:06:16,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:16,957 INFO L225 Difference]: With dead ends: 46067 [2021-11-17 08:06:16,957 INFO L226 Difference]: Without dead ends: 27246 [2021-11-17 08:06:17,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 140 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 08:06:17,010 INFO L933 BasicCegarLoop]: 4204 mSDtfsCounter, 1842 mSDsluCounter, 4121 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 8325 SdHoareTripleChecker+Invalid, 2244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 622 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:17,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2095 Valid, 8325 Invalid, 2244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [622 Valid, 1622 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-17 08:06:17,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27246 states. [2021-11-17 08:06:17,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27246 to 26984. [2021-11-17 08:06:17,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26984 states, 20184 states have (on average 1.3105430043598891) internal successors, (26452), 20585 states have internal predecessors, (26452), 5237 states have call successors, (5237), 1568 states have call predecessors, (5237), 1560 states have return successors, (5271), 5185 states have call predecessors, (5271), 5233 states have call successors, (5271) [2021-11-17 08:06:18,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26984 states to 26984 states and 36960 transitions. [2021-11-17 08:06:18,049 INFO L78 Accepts]: Start accepts. Automaton has 26984 states and 36960 transitions. Word has length 429 [2021-11-17 08:06:18,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:18,050 INFO L470 AbstractCegarLoop]: Abstraction has 26984 states and 36960 transitions. [2021-11-17 08:06:18,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 08:06:18,050 INFO L276 IsEmpty]: Start isEmpty. Operand 26984 states and 36960 transitions. [2021-11-17 08:06:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2021-11-17 08:06:18,059 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:18,059 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 13, 12, 12, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2021-11-17 08:06:18,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 08:06:18,060 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 08:06:18,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:18,060 INFO L85 PathProgramCache]: Analyzing trace with hash -701466667, now seen corresponding path program 1 times [2021-11-17 08:06:18,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:18,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182657161] [2021-11-17 08:06:18,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:18,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:06:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:06:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:06:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:06:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:06:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:06:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:06:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:06:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:06:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:06:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:06:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:06:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:06:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:06:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:06:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 08:06:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:06:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 08:06:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 08:06:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 08:06:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:06:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 08:06:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-17 08:06:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 08:06:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 08:06:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 08:06:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 08:06:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 08:06:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 08:06:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 08:06:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 08:06:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 08:06:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-11-17 08:06:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3944 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3909 trivial. 0 not checked. [2021-11-17 08:06:18,776 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:18,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182657161] [2021-11-17 08:06:18,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182657161] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:18,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:18,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:06:18,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764289611] [2021-11-17 08:06:18,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:18,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:06:18,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:18,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:06:18,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:06:18,778 INFO L87 Difference]: Start difference. First operand 26984 states and 36960 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-11-17 08:06:26,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:26,731 INFO L93 Difference]: Finished difference Result 60379 states and 82710 transitions. [2021-11-17 08:06:26,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 08:06:26,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 472 [2021-11-17 08:06:26,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:26,863 INFO L225 Difference]: With dead ends: 60379 [2021-11-17 08:06:26,863 INFO L226 Difference]: Without dead ends: 35436 [2021-11-17 08:06:26,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 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 08:06:26,929 INFO L933 BasicCegarLoop]: 4986 mSDtfsCounter, 4366 mSDsluCounter, 3210 mSDsCounter, 0 mSdLazyCounter, 5035 mSolverCounterSat, 2305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4676 SdHoareTripleChecker+Valid, 8196 SdHoareTripleChecker+Invalid, 7340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2305 IncrementalHoareTripleChecker+Valid, 5035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:26,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4676 Valid, 8196 Invalid, 7340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2305 Valid, 5035 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-11-17 08:06:26,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35436 states. [2021-11-17 08:06:28,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35436 to 35123. [2021-11-17 08:06:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35123 states, 26275 states have (on average 1.3110941960038058) internal successors, (34449), 26792 states have internal predecessors, (34449), 6813 states have call successors, (6813), 2045 states have call predecessors, (6813), 2032 states have return successors, (6859), 6749 states have call predecessors, (6859), 6809 states have call successors, (6859) [2021-11-17 08:06:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35123 states to 35123 states and 48121 transitions. [2021-11-17 08:06:28,271 INFO L78 Accepts]: Start accepts. Automaton has 35123 states and 48121 transitions. Word has length 472 [2021-11-17 08:06:28,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:28,272 INFO L470 AbstractCegarLoop]: Abstraction has 35123 states and 48121 transitions. [2021-11-17 08:06:28,272 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-11-17 08:06:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 35123 states and 48121 transitions. [2021-11-17 08:06:28,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-11-17 08:06:28,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:28,280 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 13, 12, 12, 5, 5, 5, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 08:06:28,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-17 08:06:28,281 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:06:28,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:28,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1848771014, now seen corresponding path program 1 times [2021-11-17 08:06:28,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:28,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588237277] [2021-11-17 08:06:28,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:28,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:06:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:06:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:06:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:06:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:06:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:06:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:06:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:06:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:06:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:06:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:06:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:06:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:06:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:06:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:06:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 08:06:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:06:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-11-17 08:06:28,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 08:06:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 08:06:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:06:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 08:06:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 08:06:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 08:06:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:28,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 08:06:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:29,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:06:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:29,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 08:06:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 08:06:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:29,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 08:06:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:29,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-17 08:06:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:29,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 08:06:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 08:06:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:29,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 08:06:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3946 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3922 trivial. 0 not checked. [2021-11-17 08:06:29,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:29,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588237277] [2021-11-17 08:06:29,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588237277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:29,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:29,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 08:06:29,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887731565] [2021-11-17 08:06:29,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:29,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 08:06:29,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:29,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 08:06:29,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-17 08:06:29,029 INFO L87 Difference]: Start difference. First operand 35123 states and 48121 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 5 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 08:06:35,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:35,104 INFO L93 Difference]: Finished difference Result 35369 states and 48451 transitions. [2021-11-17 08:06:35,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 08:06:35,111 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 5 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 473 [2021-11-17 08:06:35,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:35,209 INFO L225 Difference]: With dead ends: 35369 [2021-11-17 08:06:35,209 INFO L226 Difference]: Without dead ends: 35367 [2021-11-17 08:06:35,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 159 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 08:06:35,228 INFO L933 BasicCegarLoop]: 2670 mSDtfsCounter, 4254 mSDsluCounter, 3523 mSDsCounter, 0 mSdLazyCounter, 5244 mSolverCounterSat, 1977 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4388 SdHoareTripleChecker+Valid, 6193 SdHoareTripleChecker+Invalid, 7221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1977 IncrementalHoareTripleChecker+Valid, 5244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:35,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4388 Valid, 6193 Invalid, 7221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1977 Valid, 5244 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-11-17 08:06:35,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35367 states. [2021-11-17 08:06:36,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35367 to 35127. [2021-11-17 08:06:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35127 states, 26278 states have (on average 1.3110586802648603) internal successors, (34452), 26795 states have internal predecessors, (34452), 6813 states have call successors, (6813), 2046 states have call predecessors, (6813), 2033 states have return successors, (6859), 6749 states have call predecessors, (6859), 6809 states have call successors, (6859) [2021-11-17 08:06:36,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35127 states to 35127 states and 48124 transitions. [2021-11-17 08:06:36,448 INFO L78 Accepts]: Start accepts. Automaton has 35127 states and 48124 transitions. Word has length 473 [2021-11-17 08:06:36,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:36,449 INFO L470 AbstractCegarLoop]: Abstraction has 35127 states and 48124 transitions. [2021-11-17 08:06:36,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (53), 5 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-11-17 08:06:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 35127 states and 48124 transitions. [2021-11-17 08:06:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2021-11-17 08:06:36,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:36,457 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 14, 13, 13, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:36,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-17 08:06:36,457 INFO L402 AbstractCegarLoop]: === Iteration 21 === 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 08:06:36,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:36,458 INFO L85 PathProgramCache]: Analyzing trace with hash 2128309141, now seen corresponding path program 1 times [2021-11-17 08:06:36,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:36,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689117987] [2021-11-17 08:06:36,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:36,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:06:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:06:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:06:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:06:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:06:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:06:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:06:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:06:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:06:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:06:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:06:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:06:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:06:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:06:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:06:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:06:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:06:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 08:06:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 08:06:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 08:06:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 08:06:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 08:06:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:37,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 08:06:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 08:06:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:37,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 08:06:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:37,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 08:06:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:37,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 08:06:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:06:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:37,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3773 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3747 trivial. 0 not checked. [2021-11-17 08:06:37,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:37,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689117987] [2021-11-17 08:06:37,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689117987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:37,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:37,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:06:37,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170228603] [2021-11-17 08:06:37,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:37,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:06:37,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:37,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:06:37,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:06:37,044 INFO L87 Difference]: Start difference. First operand 35127 states and 48124 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 08:06:40,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:40,155 INFO L93 Difference]: Finished difference Result 35373 states and 48454 transitions. [2021-11-17 08:06:40,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:06:40,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 438 [2021-11-17 08:06:40,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:40,238 INFO L225 Difference]: With dead ends: 35373 [2021-11-17 08:06:40,239 INFO L226 Difference]: Without dead ends: 35369 [2021-11-17 08:06:40,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 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 08:06:40,251 INFO L933 BasicCegarLoop]: 2849 mSDtfsCounter, 3047 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2097 mSolverCounterSat, 816 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 8591 SdHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 816 IncrementalHoareTripleChecker+Valid, 2097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:40,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3309 Valid, 8591 Invalid, 2913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [816 Valid, 2097 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-17 08:06:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35369 states. [2021-11-17 08:06:41,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35369 to 35129. [2021-11-17 08:06:41,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35129 states, 26280 states have (on average 1.3109969558599694) internal successors, (34453), 26796 states have internal predecessors, (34453), 6813 states have call successors, (6813), 2047 states have call predecessors, (6813), 2033 states have return successors, (6859), 6749 states have call predecessors, (6859), 6809 states have call successors, (6859) [2021-11-17 08:06:41,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35129 states to 35129 states and 48125 transitions. [2021-11-17 08:06:41,544 INFO L78 Accepts]: Start accepts. Automaton has 35129 states and 48125 transitions. Word has length 438 [2021-11-17 08:06:41,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:41,544 INFO L470 AbstractCegarLoop]: Abstraction has 35129 states and 48125 transitions. [2021-11-17 08:06:41,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 08:06:41,545 INFO L276 IsEmpty]: Start isEmpty. Operand 35129 states and 48125 transitions. [2021-11-17 08:06:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-11-17 08:06:41,553 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:41,553 INFO L514 BasicCegarLoop]: trace histogram [32, 32, 27, 27, 27, 27, 27, 27, 15, 14, 14, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2021-11-17 08:06:41,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-17 08:06:41,554 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 08:06:41,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:41,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1200098573, now seen corresponding path program 1 times [2021-11-17 08:06:41,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:41,554 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132669420] [2021-11-17 08:06:41,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:41,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:06:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:06:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:06:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:06:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:06:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:06:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:06:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:06:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:06:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:06:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:06:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:06:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:06:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:06:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 08:06:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-11-17 08:06:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:06:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 08:06:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2021-11-17 08:06:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 08:06:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 08:06:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 08:06:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-17 08:06:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 08:06:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 08:06:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 08:06:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 08:06:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 08:06:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 08:06:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 08:06:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-11-17 08:06:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 08:06:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-11-17 08:06:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-11-17 08:06:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 08:06:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4048 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 4009 trivial. 0 not checked. [2021-11-17 08:06:41,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:41,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132669420] [2021-11-17 08:06:41,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132669420] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:41,987 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:41,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 08:06:41,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932552968] [2021-11-17 08:06:41,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:41,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 08:06:41,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:41,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 08:06:41,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:06:41,989 INFO L87 Difference]: Start difference. First operand 35129 states and 48125 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-17 08:06:49,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:49,989 INFO L93 Difference]: Finished difference Result 76638 states and 105042 transitions. [2021-11-17 08:06:49,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 08:06:49,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 482 [2021-11-17 08:06:49,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:50,145 INFO L225 Difference]: With dead ends: 76638 [2021-11-17 08:06:50,146 INFO L226 Difference]: Without dead ends: 43550 [2021-11-17 08:06:50,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 08:06:50,219 INFO L933 BasicCegarLoop]: 5115 mSDtfsCounter, 4156 mSDsluCounter, 3211 mSDsCounter, 0 mSdLazyCounter, 5079 mSolverCounterSat, 2175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4465 SdHoareTripleChecker+Valid, 8326 SdHoareTripleChecker+Invalid, 7254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2175 IncrementalHoareTripleChecker+Valid, 5079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:50,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4465 Valid, 8326 Invalid, 7254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2175 Valid, 5079 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-11-17 08:06:50,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43550 states. [2021-11-17 08:06:51,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43550 to 43250. [2021-11-17 08:06:51,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43250 states, 32365 states have (on average 1.3114166537926772) internal successors, (42444), 32997 states have internal predecessors, (42444), 8381 states have call successors, (8381), 2516 states have call predecessors, (8381), 2501 states have return successors, (8439), 8309 states have call predecessors, (8439), 8377 states have call successors, (8439) [2021-11-17 08:06:51,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43250 states to 43250 states and 59264 transitions. [2021-11-17 08:06:52,173 INFO L78 Accepts]: Start accepts. Automaton has 43250 states and 59264 transitions. Word has length 482 [2021-11-17 08:06:52,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:52,188 INFO L470 AbstractCegarLoop]: Abstraction has 43250 states and 59264 transitions. [2021-11-17 08:06:52,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (56), 4 states have call predecessors, (56), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2021-11-17 08:06:52,188 INFO L276 IsEmpty]: Start isEmpty. Operand 43250 states and 59264 transitions. [2021-11-17 08:06:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-11-17 08:06:52,199 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:52,200 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 27, 27, 27, 27, 27, 27, 15, 14, 14, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:06:52,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-17 08:06:52,200 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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 08:06:52,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:52,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1316295330, now seen corresponding path program 1 times [2021-11-17 08:06:52,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:52,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088511899] [2021-11-17 08:06:52,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:52,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:06:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:06:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:06:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:06:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:06:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:06:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:06:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:06:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:06:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:06:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:06:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:06:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 08:06:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-11-17 08:06:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-11-17 08:06:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 08:06:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-11-17 08:06:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-11-17 08:06:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-17 08:06:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-11-17 08:06:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 08:06:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-11-17 08:06:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 08:06:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 08:06:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 08:06:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 08:06:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 08:06:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 08:06:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 08:06:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3827 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3799 trivial. 0 not checked. [2021-11-17 08:06:52,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:52,694 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088511899] [2021-11-17 08:06:52,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088511899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:52,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:52,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 08:06:52,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851710776] [2021-11-17 08:06:52,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:52,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 08:06:52,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:52,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 08:06:52,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 08:06:52,696 INFO L87 Difference]: Start difference. First operand 43250 states and 59264 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-17 08:06:56,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:06:56,357 INFO L93 Difference]: Finished difference Result 43546 states and 59659 transitions. [2021-11-17 08:06:56,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 08:06:56,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 443 [2021-11-17 08:06:56,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:06:56,466 INFO L225 Difference]: With dead ends: 43546 [2021-11-17 08:06:56,466 INFO L226 Difference]: Without dead ends: 43282 [2021-11-17 08:06:56,486 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 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 08:06:56,486 INFO L933 BasicCegarLoop]: 2846 mSDtfsCounter, 3041 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2092 mSolverCounterSat, 815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3303 SdHoareTripleChecker+Valid, 8588 SdHoareTripleChecker+Invalid, 2907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 815 IncrementalHoareTripleChecker+Valid, 2092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:06:56,487 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3303 Valid, 8588 Invalid, 2907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [815 Valid, 2092 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-17 08:06:56,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43282 states. [2021-11-17 08:06:58,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43282 to 34907. [2021-11-17 08:06:58,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34907 states, 26145 states have (on average 1.311684834576401) internal successors, (34294), 26643 states have internal predecessors, (34294), 6749 states have call successors, (6749), 2015 states have call predecessors, (6749), 2011 states have return successors, (6799), 6712 states have call predecessors, (6799), 6749 states have call successors, (6799) [2021-11-17 08:06:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34907 states to 34907 states and 47842 transitions. [2021-11-17 08:06:58,363 INFO L78 Accepts]: Start accepts. Automaton has 34907 states and 47842 transitions. Word has length 443 [2021-11-17 08:06:58,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:06:58,363 INFO L470 AbstractCegarLoop]: Abstraction has 34907 states and 47842 transitions. [2021-11-17 08:06:58,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-17 08:06:58,364 INFO L276 IsEmpty]: Start isEmpty. Operand 34907 states and 47842 transitions. [2021-11-17 08:06:58,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2021-11-17 08:06:58,380 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:06:58,380 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 28, 28, 28, 28, 5, 5, 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] [2021-11-17 08:06:58,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-17 08:06:58,381 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 08:06:58,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:06:58,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1317154351, now seen corresponding path program 1 times [2021-11-17 08:06:58,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:06:58,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282570881] [2021-11-17 08:06:58,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:06:58,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:06:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:06:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:06:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:06:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:06:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:06:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:06:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:06:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:06:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:06:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:06:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:06:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:06:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:06:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:06:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:06:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:06:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:06:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:06:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:06:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:06:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:06:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:06:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:06:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:06:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:06:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:06:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:06:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:06:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 08:06:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 08:06:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 08:06:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-11-17 08:06:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 08:06:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 08:06:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 08:06:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 08:06:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 08:06:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 08:06:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 08:06:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-11-17 08:06:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:06:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 08:06:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:06:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3529 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3529 trivial. 0 not checked. [2021-11-17 08:06:58,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:06:58,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282570881] [2021-11-17 08:06:58,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282570881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:06:58,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:06:58,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:06:58,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799279464] [2021-11-17 08:06:58,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:06:58,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:06:58,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:06:58,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:06:58,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:06:58,915 INFO L87 Difference]: Start difference. First operand 34907 states and 47842 transitions. Second operand has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-17 08:07:03,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:07:03,408 INFO L93 Difference]: Finished difference Result 90475 states and 123863 transitions. [2021-11-17 08:07:03,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:07:03,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 495 [2021-11-17 08:07:03,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:07:03,594 INFO L225 Difference]: With dead ends: 90475 [2021-11-17 08:07:03,594 INFO L226 Difference]: Without dead ends: 55338 [2021-11-17 08:07:03,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 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 08:07:03,687 INFO L933 BasicCegarLoop]: 3750 mSDtfsCounter, 3340 mSDsluCounter, 3861 mSDsCounter, 0 mSdLazyCounter, 1700 mSolverCounterSat, 1059 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3691 SdHoareTripleChecker+Valid, 7611 SdHoareTripleChecker+Invalid, 2759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1059 IncrementalHoareTripleChecker+Valid, 1700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-17 08:07:03,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3691 Valid, 7611 Invalid, 2759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1059 Valid, 1700 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-17 08:07:03,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55338 states. [2021-11-17 08:07:06,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55338 to 55002. [2021-11-17 08:07:06,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55002 states, 41293 states have (on average 1.3072675756181436) internal successors, (53981), 42102 states have internal predecessors, (53981), 10479 states have call successors, (10479), 3238 states have call predecessors, (10479), 3228 states have return successors, (10553), 10401 states have call predecessors, (10553), 10477 states have call successors, (10553) [2021-11-17 08:07:06,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55002 states to 55002 states and 75013 transitions. [2021-11-17 08:07:06,319 INFO L78 Accepts]: Start accepts. Automaton has 55002 states and 75013 transitions. Word has length 495 [2021-11-17 08:07:06,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:07:06,320 INFO L470 AbstractCegarLoop]: Abstraction has 55002 states and 75013 transitions. [2021-11-17 08:07:06,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.25) internal successors, (165), 3 states have internal predecessors, (165), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-17 08:07:06,320 INFO L276 IsEmpty]: Start isEmpty. Operand 55002 states and 75013 transitions. [2021-11-17 08:07:06,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-11-17 08:07:06,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:07:06,340 INFO L514 BasicCegarLoop]: trace histogram [34, 34, 27, 27, 27, 27, 27, 27, 13, 13, 13, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2021-11-17 08:07:06,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-17 08:07:06,340 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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 08:07:06,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:07:06,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1449205248, now seen corresponding path program 1 times [2021-11-17 08:07:06,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:07:06,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756123536] [2021-11-17 08:07:06,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:07:06,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:07:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:07:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:07:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:07:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:07:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:07:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:07:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:07:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:07:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:07:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:07:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:07:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:07:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:07:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:07:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:07:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:07:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:07:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:07:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:07:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:07:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:07:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:07:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:07:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:07:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:07:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:07:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:07:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:07:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:07:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 08:07:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 08:07:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 08:07:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 08:07:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-17 08:07:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 08:07:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 08:07:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:06,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 08:07:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 08:07:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 08:07:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:07:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 08:07:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 08:07:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 08:07:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 08:07:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-11-17 08:07:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 08:07:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-11-17 08:07:07,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2021-11-17 08:07:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 08:07:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 08:07:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-11-17 08:07:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:07:07,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4173 trivial. 0 not checked. [2021-11-17 08:07:07,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:07:07,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756123536] [2021-11-17 08:07:07,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756123536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:07:07,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:07:07,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:07:07,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74342415] [2021-11-17 08:07:07,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:07:07,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:07:07,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:07:07,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:07:07,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:07:07,158 INFO L87 Difference]: Start difference. First operand 55002 states and 75013 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52)